mkountz
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i just bought 2 GTX 560 Ti 448 classified cards, want to buy a 3rd but not without waterblocks. i read the GTX 560 Ti 448 classified uses the same PCB as the gtx570 HD. is that true? does that mean the waterblock for the gtx570 HD will work???
If not any idea what waterblock will fit?
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zoson
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/02 20:24:21
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I would also love to know this.
I heard the PCB is a GTX480 pcb. I think it looks like one, too.
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kody7839
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/02 20:50:51
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kody7839
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/02 20:56:22
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Come to think of it...I don't know if it would stop you from using a 480 waterblock. It could just be a different way in which the stock heatsink attaches.
Just figured I'd would throw that out since I know people have been asking.
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youngd8
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/02 20:58:07
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Is there any vreg heatsink on this thing? cause i don't see it from the pic posted before..
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flirtz
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 15:29:55
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So are you confirming that it's compatible with 580 GTX coolers?
I read your thread about the back plates for the 580 GTX on your cards! I just need to know for sure if I can mount a 580 GTX water block on this SOB.
I wish someone from EVGA would come out and confirm or deny this!!!
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ransan309
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 16:23:23
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You would also need to insure that your vrams are being cooled properly when the waterblock is attached to the card.
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 17:13:32
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The Classified is using the gtx480 pcb. The eVGA guys here will verify that. Here is a picture of the board from the review that Hi Tech Legion did on it. The FTW card uses a 4 phase PWM, this one uses 6 phase. There is no heatsink or cooling on the power curcuitry, but the fans do blow directly down them. 
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ransan309
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 19:23:23
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Visa Declined
The Classified is using the gtx480 pcb. The eVGA guys here will verify that.
Here is a picture of the board from the review that Hi Tech Legion did on it. The FTW card uses a 4 phase PWM, this one uses 6 phase. There is no heatsink or cooling on the power curcuitry, but the fans do blow directly down them.
Well. I do know for a fact that the GTX 480 has thermal pads that cover the vrams, as that is how the cooling system is designed. When you install waterblocks you definitely would be required to place thermal pads between the block and the card. To the best of my knowledge that is how all full card waterblocks are designed work.
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kram36
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 19:43:17
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Visa Declined
The Classified is using the gtx480 pcb. The eVGA guys here will verify that.
Here is a picture of the board from the review that Hi Tech Legion did on it. The FTW card uses a 4 phase PWM, this one uses 6 phase. There is no heatsink or cooling on the power curcuitry, but the fans do blow directly down them.
What a pity EVGA didn't use a reference GTX 580 board and the accompanying vapor chamber cooling.
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 19:55:03
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ransan309
Well. I do know for a fact that the GTX 480 has thermal pads that cover the vrams, as that is how the cooling system is designed.
The 560Ti Classy isn't using the GTX 480 cooler, only the pcb, so there is no thermal pads or heatsinks on the ram. kram36
What a pity EVGA didn't use a reference GTX 580 board and the accompanying vapor chamber cooling.
Here are the two boards side by side. The GeForce GTX 580 doesn't have the solid-state capacitors located around the power phases and lacks the vent holes and the jumper underneath the power connectors. GTX480 top/GTX580 bottom 
post edited by Visa Declined - 2011/12/03 19:57:36
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 20:07:16
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Man I didn't realize how similar the GTX 480/580/560ti 448 classifieds PCB's were to each other until tonight. I guess I never looked at the 580's pcb until I just image searched it for this thread.
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ransan309
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 20:23:37
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I understand what your saying there. However: OP was trying to figure out what kind of waterblock would work on a 560ti 448. So.... If it would fit you would still definitely need to cool the vrams with thermal pads.
kody mentioned above that it is based off the 480 pcb. Apparently the screw pattern is similar but not exactly the same.
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 20:34:51
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I've never had much faith in the effectiveness of thermal pads to begin with. General consensus from the enthusiast community is that they're kind of "meh".
Has anybody shown that 4ns ddr5 actually heats up enough to mandate a cooling mechanism of some type anyways?
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ransan309
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 20:45:19
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The fact is that it is the most effective way of closing the gap between the waterblock and vram mating surfaces when installing full waterblocks on graphics cards. Nearly all gpu waterblock kits utilize this method of installation. Some people do use something like Ceramique to fill said gaps. However: It is by far easier to just use pads. Really any benefits would probably be negligible.
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kram36
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 21:31:02
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kram36
What a pity EVGA didn't use a reference GTX 580 board and the accompanying vapor chamber cooling.
Here are the two boards side by side. The GeForce GTX 580 doesn't have the solid-state capacitors located around the power phases and lacks the vent holes and the jumper underneath the power connectors.
GTX480 top/GTX580 bottom
It's not a jumper under the power plugs. It's power connectors for a logo light. When the GTX 480 was originally designed the nVidia logo on the side was supposed to light up, but that fell through because of issues with the company providing the lighted logo. That may be why EVGA went with the 480 pcb, so they could light up the EVGA logo as they did with the GTX 560 Ti Classified card.
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/03 21:54:13
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kram36
It's not a jumper under the power plugs.
Yeah I'm not sure why I called it that.. 
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ProClub
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/09 20:15:39
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I just received my Classified GTX 560 Ti 448 today and decided I wanted to get a waterblock because I couldn't stand the temps going above 70 at the fan @ 50-70%. So I went to EK's waterblock compatibility site and they updated their db on 12/7/2011 and lists several blocks that they checked to work.
Now to look for the best price for the 480 block! :)
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/09 20:31:40
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ProClub
Now to look for the best price for the 480 block! :)
If you get your classy's watercooled post back with pics and info plz!
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flirtz
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/15 01:22:24
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I've got a 560 ti classy I just got and ran into the same question for the water block.
Honestly figured this card would hold me until the Kepler GPUs come out, so trying to keep costs down as much as possible I went with the 560 instead of a 580 GTX.
As for water blocks EK has their 480 GTX block listed as compatible with the classified version so I checked the 480 PCB on the site with the 560 on HiTech Legion. They're almost identical except the missing memory modules, and a few other components near the VRMs.
So I bit the bullet and grabbed one of the XSPC 480 blocks from preformance pcs. It was the cheapest available block and from some of the reviews I read it had pretty good total card preformance on the VRMs and GPU.
Slapped it on tonight after a couple of dry fittings in case I had to swap the block out! Everything lined up perfectly and it looks like contact is being made everywhere it needs to. I hope to install the card this weekend when the semester is finally over! Have to flush the system and redo everything!
Forgot to take pictures as I went. I'll take some when I get install it and post them, but more importantly I'll make sure to post back about temp preformance and confirm that the block is working properly and is 100% compatible.
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/15 03:01:36
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flirtz
Forgot to take pictures as I went. I'll take some when I get install it and post them, but more importantly I'll make sure to post back about temp preformance and confirm that the block is working properly and is 100% compatible.
OMG I want pictures!! Seriously that is totally awesome that your gamble on the blocks paid off, and even more awesome that you came here and let us know. Which waterblock will fit has been a question tossed around here since these cards came out 
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staypuft
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/15 05:57:06
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+1 to pics and part numbers. I think if Kody found alignment problems with the EVGA backplate, it may also be an issue for the 480 as well. Any 480 owners with backplates out there? To Kram's point, I think they may have used that board to implement the light... or implemented the light because they were using that board due to large overstocks. Remember when the 580 came out that 480 was very young. Could be they had a pile of boards laying about. Also, they may not have wanted to use up valuable 570/580 PCB's due to the demand right now. And lastly, it may be an effort to distance the products so 570/580 owners don't feel cheated  . IDK, just throwing out ideas. To the OP's original question, I think the 560Ti-448 FTW model uses the 570HD PCB.
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jeffgoatley
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/15 06:43:46
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flirtz
So I bit the bullet and grabbed one of the XSPC 480 blocks from preformance pcs. It was the cheapest available block and from some of the reviews I read it had pretty good total card preformance on the VRMs and GPU.
Forgot to take pictures as I went. I'll take some when I get install it and post them, but more importantly I'll make sure to post back about temp preformance and confirm that the block is working properly and is 100% compatible.
I can't wait to see!!!
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flirtz
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Re:GTX 560 Ti 448 classified same PCB as GTX 570 HD???
2011/12/16 10:54:12
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