boredgunner
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The power supply unit (PSU) is a critical part of the PC that is commonly overlooked. Even though most of you know that it supplies power to the rest of your PC (whether it is directly or indirectly), people go cheap on the PSU. Buying a low end PSU can easily cause many issues in your PC, so the smart thing to do is to make sure you get a quality unit. I recommend reading a PSU glossary to understand the basic terms of power supplies. http://www.coolermaster.com/glossary.php What are the Requirements for ATX Specification? Performance-wise, the following are required. - 5% line regulation (+/- 0.25v) for the +5v and +5v VSB rail with a max of 50 mV ripple voltage
- 5% line regulation (+/- 0.25v) for the -5v rail with a max of 50 mV ripple voltage
- 5% line regulation (+/- 0.25v) for the +3.3v rail with a max of 50 mV ripple voltage
- 5% line regulation (+/- 0.60v) for the +12v rail with a max of 120 mV ripple voltage
- 10% line regulation (+/-1.20v) for the -12v rail with a max of 120 mV ripple voltage
How Can I Find Out How Much Power My PC Uses? The best thing to do is to use a kill-a-watt and measure the amount of power being used. You can also look up the max power consumption of your components, but to give you a basic idea, use a PSU calculator such as this one. http://www.coolermaster.outervision.com/advance.jsp What Should I Look for When Buying a PSU? Look at the brand name, total power, +12v power, +12v distribution, and reviews for a PSU before purchasing one. You should invest in a power supply that has high end capacitors that are rated for 85 degrees Celsius or higher, an active PFC, good heat sinks/cooling, and other things that the PSU glossary above mentions. What's so Important About the +12v Rail? The +12v rail powers modern motherboards, CPU cores, drives, fans, and video cards. So you want a PSU that can provide ample +12v power with good line regulation and ripple voltage. Good efficiency is highly preferred as well (at least 80 Plus certified). Many people debate about whether or not single +12v rails are better than multiple +12v rails. The truth is, most of these people are confused and wrong. First of all, most power supplies have only one +12v rail (power source). This power is divided into different outputs. Most power supplies that have multiple +12v rails (I don't know of a PSU that has more than two +12v rails) are rated for over 1000W. Here is a good read on the splitting of +12v rails. http://www.jonnyguru.com/forums/showthread.php?t=3990 The Bottom Line - if it is a good PSU, it doesn't matter how many +12v rails/outputs it has. How to Calculate Combined +12v Power Adding up the max power of the +12v outputs does not give you the continuous combined +12v power. This is a picture of my Antec TruePower New 750W power supply. It has four +12v outputs, each has a 25A rating. So 25A x 4 = 100A. That is my +12v power right? Wrong. The sticker on this PSU is very clear, notice at the bottom it says +12v max load is 62A. Not all stickers are this straight forward. For example... This is a first generation Cooler Master Real Power Pro 1000W power supply. Notice how the six +12v outputs have an 18A rating. Again, that's the max load that each output can safely output. Notice how it says 960W below the peak amperage ratings. That is the combined +12v wattage. Wattage / volts = amperes. 960W / 12v = 80A Efficiency Efficiency is an important factor with power supplies. Nobody wants a high electric bill, or wasted power. I highly recommend buying a power supply that is at least 80 Plus Certified. 80 PLUS is an innovative, electric utility-funded incentive program to integrate more energy-efficient power supplies into desktop computers and servers. Participating utilities and energy efficiency organizations across North America have contributed over $5 million of incentives to help the computer industry transition to 80 PLUS certified power supplies. Power supplies with an Active Power Factor Correction (Active PFC) have much higher efficiency than power supplies with a Passive PFC. Active Power Factor Correction PSU will automatically detect whether the input voltage range is between 90V~264V and adjust compatible output voltage. The PF value is much higher than Passive Power Factor Correction. What About Cooling? Most power supplies are cooled by fans and heat sinks. 80mm fan designs are common, but the use of 120mm fans, 135mm fans, or 140mm fans is becoming more common. I don't recommend passively cooled power supplies (no fans). 80mm cooling solutions create a wind tunnel inside of the PSU chassis. The 80mm fan is placed on the rear of the PSU, and the front of the PSU has ventilation holes. The fan sucks air through the ventilation holes and the air leaves straight through the back of the PSU. This design is the most effective for cooling. The heat generated by PSU components is removed very quickly. The downside is noise - the small little 80mm fan has to spin faster to cool properly. 120mm/135mm/140mm cooling solutions are used in order to lower noise. The fan is placed on the top of the PSU, and blows air down onto the components and heat sinks of the power supply. The rear of the PSU is usually ventilated. This design does not cool as well as 80mm cooling designs, it takes a longer amount of time for the heat to leave the PSU. But if you're after silence, this is the design you want. The cooling design of a PSU doesn't really matter, as long as the PSU has good heat sinks and a fan. Check review sites to see how it performs under load and overloaded. Who Makes my PSU? See here. http://whirlpool.net.au/wiki/psu_manufacturers Good Brand Names Antec - The HCP, TruePower Quattro, TruePower New, CPX series, and Signature series are all excellent. The TruePower Trio and EarthWatts are old but decent, while the Basiq are low end.Cooler Master - The UCP series have excellent line regulation and efficiency, but mediocre ripple voltage. The Real Power series are great but hard to find. The Silent Pro M series are okay but have group regulated rails, the GX series have ripple voltage issues, and the rest of their PSUs are low end. Corsair - As far as I know, they don't have any bad power supplies. All of their PSUs are good or better. They have a PSU for everyone, whether you have a low budget or a high one. Highly recommended. Enermax - Good choice overall. The Galaxy EVO series are great, the Revolution85+ series are even better. However, their PSUs cost a lot of money, sometimes they aren't worth buying. They manufacture their own power supplies. PC Power & Cooling - Much like Corsair, you can't go wrong with PC Power & Cooling. Unfortunately they do not have any modular power supplies... yet. Many of their old (and very good) power supplies have been discontinued. Seasonic - OEM for lots of power supplies, lots to choose from. Several of which are incredible (M12D series). Silverstone - They have good and bad power supplies. Please look for reviews before you choose, this goes for any PSU. Their customer service is said to be lacking. Thermaltake - Lots of good power supplies and some bad ones, but their good ones tend to be overpriced. XFX - Good overall manufacturer, many Seasonic rebrands. Recommended Power Supplies Below is a list of power supplies I recommend, categorized by the wattage output. Price is a factor, I don't recommend decent PSUs that have a ridiculous price. I do recommend excellent PSUs that have a very high price. Under 500W 500W-599W The Kingwin LZP-550 is the best PSU here, but Antec and Corsair win in value. 600W-699W - Antec TruePower New 650W - 80 Plus BRONZE Certified, four +12v outputs (22A/22A/25A/25A, 54A combined). Partially modular cable system. Good for a typical system running an NVIDIA GeForce GTX 260 SLI setup or an ATI Radeon HD 5870 CF setup. http://www.newegg.com/Product/Product.aspx?Item=N82E16817371021&Tpk=tp-650
- Antec Signature 650W - 80 Plus BRONZE Certified, three +12v outputs (22A/22A/25A, 43A combined). Good for a typical system running an NVIDIA GeForce GTX 480 or an ATI Radeon HD 5870. Partially modular cabling system. http://www.antec.com/Believe_it/product.php?id=Njk0
- Cooler Master Silent Pro M 600W - 80 Plus Certified, one +12v output with 40A. Great modular cable system. Good for a typical system running an NVIDIA GeForce GTX 470 or an ATI Radeon HD 5870. http://www.newegg.com/Product/Product.aspx?Item=N82E16817171036&cm_re=cooler_master_600w-_-17-171-036-_-Product
- Cooler Master Real Power M620 - 80 Plus Certified, three +12v outputs with 19A max on each (43A combined). Good for a typical system running an NVIDIA GeForce GTX 480 or an ATI Radeon HD 5870. Great modular cable system. Not available for North America. http://www.coolermaster.com/product.php?category_id=25&product_id=2573
- Corsair TX650 V2 - 80 Plus BRONZE Certified, one +12v output with 53A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139020
- Corsair TX650M - 80 Plus BRONZE Certified, one +12v output with 54A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139031
- Corsair HX650 - 80 Plus BRONZE Certified, one +12v output with 52A. Good for a typical system running an NVIDIA GeForce GTX 260 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139012&cm_re=corsair_power_supply-_-17-139-012-_-Product
- Corsair AX650 - 80 Plus GOLD Certified, one +12v output with 54A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139035
- Seasonic X-650 - 80 Plus GOLD Certified, one +12v output with 54A. Good for a typical system running an NVIDIA GeForce GTX 260 SLI setup or an ATI Radeon HD 5870 CF setup. Fully modular! http://www.newegg.com/Product/Product.aspx?Item=N82E16817151088&Tpk=seasonic%20650w
- Seasonic X-660 - 80 Plus GOLD Certified, one +12v output with 54A. http://www.microcenter.com/single_product_results.phtml?product_id=0352230
- Kingwin Lazer Platinum 650W - 80 Plus Platinum Certified, one +12v output with 54A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817121092
The best unit here is the Kingwin LZP-650. Unrivaled efficiency and excellent overall performance, at a high cost that is. The Antec Signature 650W is hard to find. It has unrivaled line regulation, an unrivaled cooling design, excellent ripple voltage, and a build quality that will keep it running forever. But regarding value, Corsair has a nice list of winners here. 700W-799W - Antec TruePower New 750W - 80 Plus BRONZE Certified, four +12v outputs with 25A max on each (62A combined). Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Partially modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817371025&cm_re=tp-750-_-17-371-025-_-Product
- Antec High Current Pro 750W - 80 Plus GOLD Certified, four +12v outputs with 40A max on each (62A combined). http://www.newegg.com/Product/Product.aspx?Item=N82E16817371052
- Cooler Master Real Power M700 - 80 Plus Certified, four +12v outputs with 19A max on each (52A combined). Good for a typical system running an NVIDIA GeForce GTX 260 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cable system. Not available for North America. http://www.coolermaster.com/product.php?category_id=25&product_id=2574
- Cooler Master UCP 700W - 80 Plus SILVER Certified, four +12v outputs with 19A max on each (52A combined). Good for a typical system running an NVIDIA GeForce GTX 260 SLI setup or an ATI Radeon HD 5870 CF setup. http://www.coolermaster.com/product.php?product_id=5176
- Cooler Master Silent Pro M 700W - 80 Plus Certified, one +12v output with 50A. Good for a typical system running an NVIDIA GeForce GTX 260 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817171037&cm_re=cooler_master_700w-_-17-171-037-_-Product
- Corsair TX750 V2 - 80 Plus BRONZE Certified, one +12v output with 62A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139021
- Corsair TX750M - 80 Plus BRONZE Certified, one +12v output with 62A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139030&Tpk=corsair%20tx750m
- Corsair HX750W - 80 Plus SILVER Certified, one +12v output with 62A. Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139010&cm_re=corsair_750w-_-17-139-010-_-Product
- Corsair AX750 - 80 Plus GOLD Certified, one +12v output with 62A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139016&Tpk=corsair%20ax750
- PC Power & Cooling Silencer 760W - 80 Plus SILVER Certified, one +12v output with 62A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817703030&Tpk=pc%20power%20%26%20cooling%20760w
- Seasonic X-750 - 80 Plus GOLD Certified, one +12v output with 62A. Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Fully modular! http://www.newegg.com/Product/Product.aspx?Item=N82E16817151087&Tpk=seasonic%20750w
- Seasonic X-760 - 80 Plus GOLD Certified, one +12v output with 62A. Fully modular. http://www.microcenter.com/single_product_results.phtml?product_id=0352258
- Kingwin Lazer Platinum 750W - 80 Plus Platinum Certified, one +12v output with 62A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817121088
- Silverstone Strider 750W - 80 Plus SILVER Certified, one +12v output with 60A. Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817256059&cm_re=silverstone_750w-_-17-256-059-_-Product
- XFX Black Edition 750W - 80 Plus SILVER Certified, one +12v output with 62A. Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817207003&cm_re=xfx_power_supply-_-17-207-003-_-Product
Many great choices here. The Antec TP-750 is what I use - I got it for $95. Great price to performance, but it is hard to find now. PC Power & Cooling wins in value - with a top tier PSU priced at a mid tier price point, but Kingwin has the performance crown yet again. 800W-999W - Antec CP-850 - 80 Plus Certified, four +12v outputs (22A/22A/25A/25A, 64A combined). Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Partly modular. CPX form factor - will not work in ATX cases. http://www.newegg.com/Product/Product.aspx?Item=N82E16817371024&cm_re=Antec_850W-_-17-371-024-_-Product
- Antec Signature 850W - 80 Plus BRONZE Certified, four +12v outputs (22A/22A/25A/25A, 65A combined). Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Partially modular. http://www.newegg.com/Product/Product.aspx?Item=N82E16817371018&cm_re=Antec_850W-_-17-371-018-_-Product
- Antec High Current Pro 850W - 80 Plus GOLD Certified, four +12v outputs with 40A max on each (70A combined). http://www.newegg.com/Product/Product.aspx?Item=N82E16817371053
- Cooler Master Real Power Pro 850W Revised - 80 Plus Certified, six +12v outputs (18A/18A/28A/28A/18A/18A, 64A combined). Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Amazing deal. http://www.sundialmicro.com/Cooler-Master-Power-Supplies-Real-Power-Pro-RS850EMBA_1941_918.html
- Cooler Master Real Power M850 - 80 Plus Certified, six +12v outputs (18A/18A/28A/28A/18A/18A, 64A combined). Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cabling system. Not available for North America. http://www.coolermaster.com/product.php?product_id=2543
- Cooler Master Silent Pro M 850W - 80 Plus BRONZE Certified, one +12v output with 66A. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817171048&Tpk=cooler%20master%20850w
- Cooler Master UCP 900W - 80 Plus SILVER Certified, four +12v outputs (25A/20A/22A/22A, 71A combined). Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. http://www.newegg.com/Product/Product.aspx?Item=N82E16817171033&Tpk=cooler%20master%20900w
- Corsair TX850 V2 - 80 Plus BRONZE Certified, one +12v output with 70A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139022&Tpk=tx850
- Corsair TX850M - 80 Plus BRONZE Certified, one +12v output with 70A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139029&Tpk=tx850m
- Corsair HX850 - 80 Plus SILVER Certified, one +12v output with 70A. Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139011&cm_re=corsair_850w-_-17-139-011-_-Product
- Corsair AX850 - 80 Plus GOLD Certified, one +12v output with 70A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139015&Tpk=ax850
- Corsair TX950 - 80 Plus BRONZE Certified, one +12v output with 78A. Good for a typical system running an NVIDIA GeForce GTX 480 SLI setup, an ATI Radeon HD 5870 Tri-CF setup, or an ATI Radeon HD 5970 Quad-CF setup. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139013&Tpk=corsair%20950w
- Enermax Revolution85+ 850W - 80 Plus SILVER Certified, six +12v outputs with 30A max on each (70A combined). Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cable system. http://www.xoxide.com/enermax-revolution-850w-psu.html
- Enermax Revolution 85+ 950W - 80 Plus SILVER Certified, six +12v outputs with 30A max on each (79A combined). Good for a typical system running an NVIDIA GeForce GTX 480 SLI setup, an ATI Radeon HD 5870 Tri-CF setup, or an ATI Radeon HD 5970 Quad-CF setup. http://www.xoxide.com/enermax-revolution-950w-psu.html
- Kingwin Lazer Platinum 850W - 80 Plus Platinum Certified, one +12v output with 70A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817121093
- PC Power & Cooling Silencer 910W - 80 Plus SILVER Certified, one +12v output with 74A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817703022&Tpk=pc%20power%20%26%20cooling%20910w
- Seasonic Platinum 860W - 80 Plus Platinum Certified, one +12v output with 71A. Fully modular. http://www.newegg.com/Product/Product.aspx?Item=N82E16817151111&Tpk=seasonic%20860
- Silverstone Strider 850W - 80 Plus SILVER Certified, one +12v output with 67A. Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cabling system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817256058&cm_re=silverstone_850w-_-17-256-058-_-Product
- XFX Black Edition 850W - 80 Plus SILVER Certified, one +12v output with 70A. Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Great modular cabling system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817207001&Tpk=xfx%20850w
Again, more great choices. The Enermax Revo85+ series are ridiculously overpriced. The Antec Signature 850W has the best build quality and best line regulation, but again it is overpriced. My main recommendations go to the Corsair HX850, Corsair TX950, PC P&C 910W, and the XFX 850W. If you're feeling spendy, check out the Seasonic Platinum 860 as well. The Cooler Master Real Power Pro 850W is a great deal at $110 - it performs like a Corsair TX850 with slightly less +12v power. 1000W and above - Antec CP-1000 - 80 Plus Certified, four +12v outputs (25A/30A/30A/30A, 70A combined). Good for a typical system running an NVIDIA GeForce GTX 470 SLI setup or an ATI Radeon HD 5870 CF setup. Partly modular. CPX form factor - not compatible with ATX cases. http://www.newegg.com/Product/Product.aspx?Item=N82E16817371036&cm_re=antec_1000w-_-17-371-036-_-Product
- Antec High Current Pro 1000W - 80 Plus Platinum Certified, four +12v outputs with 40A on each (83A combined). http://www.newegg.com/Product/Product.aspx?Item=N82E16817371060
- Antec TruePower Quattro 1200W - 80 Plus SILVER Certified, six +12v outputs with 38A max on each (100A combined). Good for a typical system running an NVIDIA GeForce GTX 480 Tri-SLI setup or an ATI Radeon HD 5870 4-way CF setup. Partly modular. http://www.newegg.com/Product/Product.aspx?Item=N82E16817371032&cm_re=antec_1200w-_-17-371-032-_-Product
- Antec High Current Pro 1200W - 80 Plus GOLD Certified, eight +12v outputs with 30A on each (99A combined). http://www.newegg.com/Product/Product.aspx?Item=N82E16817371043
- Cooler Master Real Power Pro 1000W Revised - 80 Plus Certified, six +12v outputs (18A/18A/28A/28A/18A/18A, 80A combined). Good for a typical system running an NVIDIA GeForce GTX 480 SLI setup, an ATI Radeon HD 5870 Tri-CF setup, or an ATI Radeon HD 5970 -CF setup. http://sundialmicro.com/Cooler-Master-Power-Supplies-Real-Power-Pro-RSA00EMBA-1000-watt_1941_1036.html
- Cooler Master Real Power M1000 - 80 Plus Certified, six +12v outputs (18A/18A/28A/28A/18A/18A, 80A combined). Good for a typical system running an NVIDIA GeForce GTX 480 SLI setup, an ATI Radeon HD 5870 Tri-CF setup, or an ATI Radeon HD 5970 Quad-CF setup. Great modular cable system. Not available for the US. http://www.coolermaster.com/product.php?category_id=25&product_id=2532
- Cooler Master Real Power Pro 1250W - 80 Plus Certified, six +12v outputs (20A/20A/28A/28A/28A/20A, 93.75A combined). Good for a typical system running an NVIDIA GeForce GTX 480 Tri-SLI setup or an ATI Radeon HD 5870 4-way CF setup. http://www.newegg.com/Product/Product.aspx?Item=N82E16817171029&Tpk=cooler%20master%201250w
- Cooler Master Silent Pro M 1000W - 80 Plus BRONZE Certified, one +12v output with 80A. Good for a typical system running an NVIDIA GeForce GTX 480 SLI setup, an ATI Radeon HD 5870 Tri-CF setup, or an ATI Radeon HD 5970 Quad-CF setup. Great modular cabling system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817171049&cm_re=cooler_master_1000w-_-17-171-049-_-Product
- Cooler Master UCP 1100W - 80 Plus SILVER Certified, six +12v outputs (20A/20A/22A/22A/22A/22A, about 83A combined). Good for a typical system running an NVIDIA GeForce GTX 480 SLI setup, an ATI Radeon HD 5870 Tri-CF setup, or an ATI Radeon HD 5970 Quad-CF setup. http://www.newegg.com/Product/Product.aspx?Item=N82E16817171034&Tpk=cooler%20master%201100w
- Corsair HX1050 - 80 Plus Silver Certified, one +12v output with 87.5A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139034&Tpk=hx1050
- Corsair AX1200 - 80 Plus GOLD Certified, one +12v output with 100.4A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817139014&Tpk=ax1200
- Enermax Revolution85+ 1050W - 80 Plus SILVER Certified, six +12v outputs with 30A max on each (87A combined). Good for a typical system running an NVIDIA GeForce GTX 480 Tri-SLI setup or an ATI Radeon HD 5870 4-way CF setup. Great modular cable system. http://www.xoxide.com/enermax-revolution-1050w-psu.html
- Enermax Galaxy EVO 1250W - 80 Plus BRONZE Certified, six +12v outputs with 30A max on each (104A combined). Good for a typical system running an NVIDIA GeForce GTX 480 Tri-SLI setup or an ATI Radeon HD 5870 4-way CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817194046&Tpk=enermax%201250w
- Enermax MAXREVO 1350W - 80 Plus GOLD Certified, six +12v outputs with 30A on each (112A combined). http://www.newegg.com/Product/Product.aspx?Item=N82E16817194092&Tpk=maxrevo
- Kingwin Lazer Platinum 1000W - 80 Plus Platinum Certified, one +12v output with 83A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817121089
- Seasonic X-1050 - 80 Plus GOLD Certified, one +12v output with 87A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817151110&Tpk=seasonic%201050
- Seasonic Platinum 1000W - 80 Plus Platinum Certified, one +12v output with 83A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817151105&Tpk=seasonic%201000w
- Seasonic X-1250 - 80 Plus GOLD Certified, one +12v output with 104A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817151109&Tpk=seasonic%201250w
- Silverstone Strider 1000W - 80 Plus SILVER Certified, one +12v output with 80A. Good for a typical system running an NVIDIA GeForce GTX 480 SLI setup, an ATI Radeon HD 5870 Tri-CF setup, or an ATI Radeon HD 5970 Quad-CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817256057&cm_re=silverstone_1000w-_-17-256-057-_-Product
- Silverstone Strider 1200W - 80 Plus Certified, six +12v outputs (28A/28A/20A/20A/20A/28A, 94A combined). Good for a typical system running an NVIDIA GeForce GTX 480 Tri-SLI setup or an ATI Radeon HD 5870 4-way CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817256041&Tpk=silverstone%201200w
- Silverstone Strider 1500W - 80 Plus SILVER Certified, eight +12v outputs with 25A max on each (110A combined). Good for just about anything, even GTX 480 4-way SLI. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817256054&Tpk=silverstone%201500w
- Thermaltake TR2 TRX-1000M - 80 Plus Certified, two +12v outputs with 50A max on each (80A combined). Good for a typical system running an NVIDIA GeForce GTX 480 SLI setup, an ATI Radeon HD 5870 Tri-CF setup, or an ATI Radeon HD 5970 Quad-CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817153118&cm_re=thermaltake_1000w-_-17-153-118-_-Product
- Thermaltake TR2 TRX-1200M - 80 Plus Certified, two +12v outputs with 60A max on each (90A combined). Good for a typical system running an NVIDIA GeForce GTX 480 Tri-SLI setup or an ATI Radeon HD 5870 4-way CF setup. Great modular cable system. http://www.newegg.com/Product/Product.aspx?Item=N82E16817153119&cm_re=thermaltake_1200w-_-17-153-119-_-Product
- ULTRA X4 1600W - 80 Plus Certified, one +12v output with 117A. Good for just about anything, even GTX 480 4-way SLI. Fully modular! http://www.tigerdirect.com/applications/searchtools/item-details.asp?EdpNo=4558882&SRCCODE=GOOGLEBASE&cm_mmc_o=VRqCjC7BBTkwCjCECjCE
- XFX ProSeries 1050W - 80 Plus GOLD Certified, one +12v output with 87A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817207021&Tpk=xfx%201050w
- XFX ProSeries 1000W - 80 Plus Platinum Certified, one +12v output with 83A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817207019&Tpk=xfx%201000w
- XFX ProSeries 1250W - 80 Plus GOLD Certified, one +12v output with 104A. http://www.newegg.com/Product/Product.aspx?Item=N82E16817207020&Tpk=xfx%201250w
For ~1000W units, Seasonic leads with its X-1050. They also hold the performance crown in this wattage range with the 1000W (tied with XFX, which is the same PSU). For 1200W PSUs, the Antec TPQ 1200 has an excellent value but the Antec HCP 1200 is the best performer. If you want an ultimate high wattage PSU, go with the Enermax MAXREVO 1350W. It is built like a tank, and has more +12v power than the Silverstone ST1500. I always recommend giving yourself some headroom. It isn't good to stress a PSU too much. Running a PSU near it's max capacity won't work well over a long period of time. People have reported compatibility issues with the Cooler Master UCP series power supplies, Enermax Revo85+ power supplies, and EVGA X58 motherboards. The problem has been fixed with the UCP series, I'm not sure if they did the same with the Revo85+ series but the Revo85+ has been discontinued and the UCP series is on its way to being discontinued. There are better choices anyway. The list gives you quite a few choices. Here are my main recommended power supplies in those wattage ranges. 500W-599W - The Corsair VX550 is more powerful than the CM Silent Pro 500W, and the VX550 performs better. So that gains my recommendation. The Real Power M520 is comparable to the VX550, but lacks +12v power compared to the VX550 (34A vs 41A) and the Real Power M series is not available in the US. 600W-699W - Without considering price, the Seasonic X650 is the best overall. When considering price, the best choice is the Antec TP-650. 700W-799W - The Seasonic X750 takes the cake, but factor in price and the best choices are the Antec TP-750 or the XFX 750W (the latter is an extra $25-$30). 800W-999W - The Corsair HX850 and XFX 850W stand out the most. They are top tier power supplies. The Antec SG-850 is in the same league, but it is much more costly and lacks the high efficiency ratings that the HX850 and XFX 850W have. The Corsair TX950 and Cooler Master Real Power Pro 850W are great deals, if you can live without modular power supplies. 1000W - After looking at reviews and prices, the Silverstone Strider 1000W stands out the most. It is cheaper than the HX1000 and it performs better, while keeping a modular cable design. 1200W-1250W - The Antec TPQ 1200 is the best in my opinion. Very reasonable price, while the performance is hard to match, much less beat. Once you get to the 1500W range, you don't have many choices. You have the Silverstone Strider 1500W, the ULTRA X4 1600W, and a Thermaltake Toughpower 1500W if you can find one (they have been discontinued). All are great choices, but the Silverstone ST1500 has the best performance. A user here posted his horrible experiences with Silverstone customer service. Keep this in mind.
post edited by boredgunner - 2012/04/10 10:17:58
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