vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/06 11:04:34
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If anything, I would rather add to the 560mm rad roundup itself. The trend across them and the 480mm size rads will be the same though unless the core is massively different. Usually the only things that change are the number of tube channels, number of fins and the size of the endtank(s) when going from 480 to 420/560.
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rlb9682
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/06 11:21:33
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vsg28
If anything, I would rather add to the 560mm rad roundup itself. The trend across them and the 480mm size rads will be the same though unless the core is massively different. Usually the only things that change are the number of tube channels, number of fins and the size of the endtank(s) when going from 480 to 420/560.
Thanks, that's helpful info to have too. One more question if you don't mind; I see some rads with singe, double, or triple pass...what's the difference in terms of cooling or does it even matter at all?
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/06 11:27:36
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Well a single pass has the inlet on one side and outlet on the other and the cooling surface available is one side of the rad. This results in lower performance but also brings out a lower restriction to coolant flow which increases overall loop flow rate. So if you have blocks that scale well with increased flow rate then this may even out, if not better the loop performance.
A dual pass rad has U-flow inside where the inlet and outlet are on the same side and you use half the tubes for one direction and the other half for the reverse. So while the available surface is still one side, the coolant flows twice through the radiator and the fans/fins get more time to cool it. This results in a higher performance than before but also increases the flow restriction. Usually seen as the sweet spot, and hence why this is most common.
Triple pass and higher follow the same trend, with increased coolant mean residence time in the rad but also higher restriction.
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rlb9682
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/06 11:34:06
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vsg28
Well a single pass has the inlet on one side and outlet on the other and the cooling surface available is one side of the rad. This results in lower performance but also brings out a lower restriction to coolant flow which increases overall loop flow rate. So if you have blocks that scale well with increased flow rate then this may even out, if not better the loop performance.
A dual pass rad has U-flow inside where the inlet and outlet are on the same side and you use half the tubes for one direction and the other half for the reverse. So while the available surface is still one side, the coolant flows twice through the radiator and the fans/fins get more time to cool it. This results in a higher performance than before but also increases the flow restriction. Usually seen as the sweet spot, and hence why this is most common.
Triple pass and higher follow the same trend, with increased coolant mean residence time in the rad but also higher restriction.
That was explained very well, thank you again! I'm so glad you're posting on EVGA's forums 
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/06 11:59:03
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/08 14:05:16
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thank you very much for the review!! I am looking forward to adding a XSPC RX480 to my setup.
EVGA X99 Classified Intel i7 5930K EVGA 980Ti Classsified SanDisk Ultra 2x256GB RAID 0 Corsair 16GB (4 x 4GB) Dell 3415W 34" Custom H2O loop EVGA 1200W P2 Corsair 900D Windows 10 HEATWAREMODS RIGS
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/08 19:51:35
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Cool, XSPC has some good rads!
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EVGATech_DaveB
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/09 09:16:58
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vsg28
Thanks a lot! I am making some time for the P/P tests for next week. With the website now up, I am getting a ton of products to review which takes up time :)
Very good, I am glad to hear it! Perhaps I live under a rock and missed it somehow (the other half swears I live under one) but got a link to your site? rlb9682
vsg28
Well a single pass has the inlet on one side and outlet on the other and the cooling surface available is one side of the rad. This results in lower performance but also brings out a lower restriction to coolant flow which increases overall loop flow rate. So if you have blocks that scale well with increased flow rate then this may even out, if not better the loop performance.
A dual pass rad has U-flow inside where the inlet and outlet are on the same side and you use half the tubes for one direction and the other half for the reverse. So while the available surface is still one side, the coolant flows twice through the radiator and the fans/fins get more time to cool it. This results in a higher performance than before but also increases the flow restriction. Usually seen as the sweet spot, and hence why this is most common.
Triple pass and higher follow the same trend, with increased coolant mean residence time in the rad but also higher restriction.
That was explained very well, thank you again! I'm so glad you're posting on EVGA's forums
Yes he does know his stuff, great explanation, on rads with some fatter tubes the triple pass *CAN* perform well but the restriction can be a real issue. I know many here come to me for water advice, but vsg28 is one of the ones I trust the info from, and read his reviews versus some others, his tests make sense and to not reek of bias. This man is a real asset to this community, I am very glad you are still here posting your reviews! **edit for typos**
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/09 13:09:32
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Don't make me blush now, I am just another guy who enjoys this hobby and that's probably why I can relate my reviews this way. The website is: http://thermalbench.com/ It's been up for about a month only and I am still working on aesthetics but there you go. I have the EVGA 1600T2 going to go in there soon, along with a few other coolers, cases, GPUs etc.
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EVGATech_DaveB
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/09 16:04:38
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Ahh, nice, I will definitely check it out.
I just did a quick glance, I will read it more at home, but a suggestion for fans, lets see some reviews on 38mm thick fans. Watch their control curve, pressure the whole nine yards, I would love to see them compared.
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/09 16:17:46
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EVGATech_DaveB
Ahh, nice, I will definitely check it out.
I just did a quick glance, I will read it more at home, but a suggestion for fans, lets see some reviews on 38mm thick fans. Watch their control curve, pressure the whole nine yards, I would love to see them compared.
Good idea, I have always wanted to see how 38mm fans compared with 25mm fans in push-pull. I will see what I can do. I don't suppose you have any say in review samples from EVGA by any chance? There's a ton of companies wanting me to test out their cooling solutions for the reference GTX 980 and I figured the upcoming AIO cooled EVGA HC might be a good bet to compare/review with as well.
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EVGATech_DaveB
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/10 15:26:47
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We don't have any fans, and the aforementioned AIO 980, we have one in the works, it looks to be a rather solid product, I have no price information at this time.
Now I know this is not a scientific type test, but I have older gen HWL 360 GTX Extreme, the thick one, and in P/P with Panaflo's running at 1400RPM, I can feel the wind from them 3 feet from my case, and when they are at WOT I can literally feel them 8 feet away, granted at WOT they are LOUD, but it helps keep the temp down when I am benching.
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/10 15:58:34
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lol yeah I heard the Panaflo's are something else. I was thinking about those as well for the 38mm thick fans. I have some 38mm thick Yate Loons also but they are mostly low-mid RPMs and perform worse than good 25mm thick fans sadly.
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EVGATech_DaveB
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/10 17:03:21
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Yeah, I have the Ultra High's, I forget the part number, but the part number is in BoredGunners sticky at the top of the this segment. I wanted the super highs because I can always turn them down, and lower RPM they still move a ton of air, and at WOT they are nuts. The other half HATES them haha, but, when turned down not too bad. Not the most scientific approach, but aside from Deltas I haven't used a fan that I can feel the air that strongly from through a thick radiator before, they beat my San Ace fans by a good margin as well, just wish they sounded like my XSPC Xuril...something...fans 1400 RPM and DEAD silent. Here is a link to my model of rad, 20 FPI first gen Xtreme, http://martinsliquidlab.org/2012/04/09/hardware-labs-gtx-360-radiator/ (HWL didn't have this one readily available anymore) but this is a high resistance rad, so the fact that I can feel air coming through it 3 feet away and at WOT around 8 feet is pretty impressive in my book. Also seeing them on something like a Monsta would be rather nice as well. But yeah, I think a BIG FAN ROUNDUP is in order..... hint hint :)
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Governator
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/13 16:47:26
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I have to say, this is one of the finest write-ups & compilation of results I've seen in years on this subject and all props to you vsg28 indeed and to EVGATech_DaveB for referencing the thread here, otherwise I'd have been lost for days/weeks searching and given the fact I'm returning to the forums here after a long 3 year hiatus and frankly a little embarrassed about how behind the times I am, this will help me tremendously, thank you sir. My preliminary plans include 2x 480 rads, 1 for the CPU (TBA), 1 for graphics and another 360 for chipset upon a Z99 Classy, all housed in a MM Extended Ascension case.
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/16 05:59:52
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Don't mention it. I need to update this soon as it is with the Alphacool ST30 480 and Phobya G-Changer 2 480. A few other unannounced (yet) 480mm rads coming in too 
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Governator
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/16 08:20:11
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vsg28
Don't mention it. I need to update this soon as it is with the Alphacool ST30 480 and Phobya G-Changer 2 480. A few other unannounced (yet) 480mm rads coming in too
Thanks vsg28, and just to add I got to thinking on how some of the top 140.2 rads would compare to 120.3 setups, would be interesting to see.
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/16 08:53:24
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The fans make/break it. Even today it still makes sense to put 120mm fans on an adapter on 140x radiators unless aesthetics are a factor. The choice for 120x rads are also much more thanks to case and fan compatibility. But things are beginning to change though with some very nice 140mm fans coming out soon.
As far as surface area goes, 140.2 (39, 200 mm^2) has slightly less surface area compared to 120.3 (43, 200 mm^2).
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EVGATech_DaveB
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/16 17:28:40
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vsg28
The fans make/break it. Even today it still makes sense to put 120mm fans on an adapter on 140x radiators unless aesthetics are a factor. The choice for 120x rads are also much more thanks to case and fan compatibility. But things are beginning to change though with some very nice 140mm fans coming out soon.
As far as surface area goes, 140.2 (39, 200 mm^2) has slightly less surface area compared to 120.3 (43, 200 mm^2).
Very true, which is largely why the 140's didn't REALLY take off for years. I am interested in seeing where the new 140's take us. But in the end I think it will be a while before they catch on as much as 120's because so many cases are optimized around x number of 120 fans, like I would need to buy new panels for my MM Extended Ascension to use 140's rather than 140's Also, I just had a thought that's a little OCD regards to surface area. Yes the 120.3 will have more than the 140.2, but I was wondering how much effective area is lost, assuming you do not use a spacer to lift the fan off the rad some, from the center of the of the fan motor where you are not getting airflow. As you have 3 on the 120.3 versus 2 on the 140.2 I wonder if you end up with more or less function surface area that way. I can send you a sample of the math later if you want. Yeah yeah I know, I can be really OCD about stuff and think about math way too much  @Governator You're welcome. Glad it could be of some help. I can be a little OCD when it comes to details, performance and reviews, hence why there are very few I recommend.
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knightsilver
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/16 18:21:51
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Anyone seen the, - Black Ice SR2 Stealth U-Flow - 480 Radiator
- 120 mm x 4 fan Xtreme+ form factor 3-row radiator
- 518mm x 133mm x 60mm (L x W x H)
- 9 FPI 45 Micron Copper Fins
- Optimized for sub-800 rpm ultra-stealth fans
- Supercruise™ optimizations for scalable performance with higher speed fans
- 50% more tubing area than the Black Ice® SR1-480
- Increased internal coolant flow rates optimized for multi-stage cooling configurations
- Standard G 1/4" inlet/outlet fittings
- Standard M4 mounting threads
- Compatible with Black Ice® GTX® 480 and Black Ice® SR1® 480 radiators
- Custom Black Carbon™ high quality finish
- Fully ROHS Compliant
- 100% Made from conflict-free materials
- Industry standard Black Ice® quality
- Lifetime warranty against manufacturing defects*
Seen it on FcPU, I'll be looking eels where.
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/17 06:13:31
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EVGATech_DaveB
Very true, which is largely why the 140's didn't REALLY take off for years.
I am interested in seeing where the new 140's take us. But in the end I think it will be a while before they catch on as much as 120's because so many cases are optimized around x number of 120 fans, like I would need to buy new panels for my MM Extended Ascension to use 140's rather than 140's
Also, I just had a thought that's a little OCD regards to surface area. Yes the 120.3 will have more than the 140.2, but I was wondering how much effective area is lost, assuming you do not use a spacer to lift the fan off the rad some, from the center of the of the fan motor where you are not getting airflow. As you have 3 on the 120.3 versus 2 on the 140.2 I wonder if you end up with more or less function surface area that way. I can send you a sample of the math later if you want. Yeah yeah I know, I can be really OCD about stuff and think about math way too much
@Governator
You're welcome. Glad it could be of some help. I can be a little OCD when it comes to details, performance and reviews, hence why there are very few I recommend.
Yeah I know what you mean, that's why I was looking for a good, precise anemometer to be able to generate a "heat map" of airflow inside the frame of a fan to see how the hub size affects it. Sadly there's no such thing which is also not prohibitively expensive. The best 120mm fans have a large hub, but the 140mm fans tend to have a larger hub on average compared to 120mm fans. EK and Noiseblocker are getting ready their 140mm fan series which should be a much needed boost to 140x rad owners. The new Corsair SP140L fans are also pretty good and they are going to make the retail SP140 soon too. knightsilver
Anyone seen the,
- Black Ice SR2 Stealth U-Flow - 480 Radiator
- 120 mm x 4 fan Xtreme+ form factor 3-row radiator
- 518mm x 133mm x 60mm (L x W x H)
- 9 FPI 45 Micron Copper Fins
- Optimized for sub-800 rpm ultra-stealth fans
- Supercruise™ optimizations for scalable performance with higher speed fans
- 50% more tubing area than the Black Ice® SR1-480
- Increased internal coolant flow rates optimized for multi-stage cooling configurations
- Standard G 1/4" inlet/outlet fittings
- Standard M4 mounting threads
- Compatible with Black Ice® GTX® 480 and Black Ice® SR1® 480 radiators
- Custom Black Carbon™ high quality finish
- Fully ROHS Compliant
- 100% Made from conflict-free materials
- Industry standard Black Ice® quality
- Lifetime warranty against manufacturing defects*
Seen it on FcPU, I'll be looking eels where.
How about a review of the 360mm version: http://forums.evga.com/Us...-SR2-360-m2270520.aspx
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EVGATech_DaveB
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/17 09:47:23
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@Knightsilver
I have used Stealth series rads before, now I love the regular SR2's, in fact EVGATech_MattM uses those in his rig (partially from my suggestion for a excellent performer that will run well quietly) but the Stealth's (unless this was just a renaming/rebranding) typically were very thin and due to the fin design tended to make more noise than other radiators with the same fans. If this is a rebranding of a regular SR2, then they are awesome rads, if not, and you are looking for a super thin space saver radiator, I vote Swiftech, for very thin rads they work well.
@VSG28
Good luck finding a piece of equipment like that and still have it be affordable. Although it would be very handy. And you are very right about hub sizes, the hubs on my panaflo's are huge but WOW they move some air. The other side of that coin though, is that a spacer can completely negate the deadzone. Definitely interested in seeing what the new 140s coming can do for that market.
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vsg28
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Re: The Quad Rad Roundup (massive 56k warning)
2015/02/17 14:26:32
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The SR2 is an update to the SR1 (SR standing for Silent Revision) and isn't related to the GT Stealth series (GTS, GTS Gen II, Nemesis GTS etc). The SR1 was great at low air speeds while the SR2 is the least restrictive rad to liquid flow I have tested out.
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