gtx 570 sli overclock (not CPU)

zippyfella · 2 Nov 2011 at 19:45

1st post so hi everybody,

I'm thinking of watercooling my GTX 570's on a water blocks (see below)

http://www.overclockers.co.uk/showproduct.php?prodid=WC-134-EK&groupid=962&catid=1520&subcat=

thing is my CPU is already watercooled via a Corsair H50, so i would only need to watercool the GPU's. any ideas on what i would need. I think i require the blocks above, hose, a radiator, a pump and a resevoire.

my case is the Fractal Design XL full tower, which I think only has room for a dual radiator. never done this before, but couldn't find any specific info in the sticky's

Cleeecooo · 2 Nov 2011 at 20:51

Welcome to the forums

Not too certain if a 240 will cut it for 2 570's, so maybe have a 360 and put the CPU in the loop??

zippyfella · 2 Nov 2011 at 22:02

360 needs three fans, not sure if my case can take that?

i'll need to check this though

cheers

Cleeecooo · 2 Nov 2011 at 22:28

it doesn't NEED 3 fans

zippyfella · 2 Nov 2011 at 23:03

does it need three three fan slots on the case though? my H-50 uses one fan slot (120mm i think)

My gtx's are o/c to hell and the fans are *noisy* :eek:

Kinsy · 2 Nov 2011 at 23:15

What's 'to hell'?

I can't get 900mhz stable on mine with 1.125v.

Cleeecooo · 2 Nov 2011 at 23:23

Doesn't need three fan slots.

Kinsy · 3 Nov 2011 at 00:38

FYI an EK block will give you a slot back - even comes with a 2-slot bracket.

zippyfella · 3 Nov 2011 at 08:39

Kinsy said:
What's 'to hell'?

I can't get 900mhz stable on mine with 1.125v.

mine are on 880MHz @ 1.1 volt, but might get more. the fans on full spin noisy though

Kinsy · 3 Nov 2011 at 10:55

I have most of what you'll probably want to get, 1x360 (Old Thermochill 120.3), a GTX570 @ 900mhz 1.125v with an EK 580DCII block and a i5 2500k @ 4.8 with a EK Supreme HF.

I think a 240 rad would be fine but optimally I'd use a 360.

Loading the CPU with Prime95 & the GPU with Heaven benchmark, with my old skool fans at 7-9v it's not very quiet but the radiator only gets a little warm to the touch. Core 2 peaks at 72deg - the GPU peaks at 48. Considering my GTX570 was an Asus DirectCU one with a mahoosive heatsink which would climb into the 70s under load I think its heat load is significantly more than a CPU.

zippyfella · 3 Nov 2011 at 12:59

Kinsy said:
I have most of what you'll probably want to get, 1x360 (Old Thermochill 120.3), a GTX570 @ 900mhz 1.125v with an EK 580DCII block and a i5 2500k @ 4.8 with a EK Supreme HF.

I think a 240 rad would be fine but optimally I'd use a 360.

Loading the CPU with Prime95 & the GPU with Heaven benchmark, with my old skool fans at 7-9v it's not very quiet but the radiator only gets a little warm to the touch. Core 2 peaks at 72deg - the GPU peaks at 48. Considering my GTX570 was an Asus DirectCU one with a mahoosive heatsink which would climb into the 70s under load I think its heat load is significantly more than a CPU.

thanks Kinsy

my CPU is already water cooled via a H-50 - i just need to sort out the graphics, would a 240 do for my 570's in SLI or would a 360 give better headroom?

cheers

Kinsy · 3 Nov 2011 at 13:10

Like I said I think a 240 would be ok. I was using my rig as an example to help you come to a decision.

Cleeecooo · 3 Nov 2011 at 17:18

Kinsy said:
Like I said I think a 240 would be ok. I was using my rig as an example to help you come to a decision.

this, as long as it's a thicker/better one

AMG · 4 Nov 2011 at 17:09

I think it is possible to fit a 360 rad in a Fractal XL if you remove that silly angled fan and bracket I have seen one with just that done.

zippyfella · 4 Nov 2011 at 22:54

Just bought the parts from overclockers (240 rad, blocks and reservoir) , but was given CPU rather than VGA blocks.

long drive back tomorrow to change these

cheers anyway

Speed · 4 Nov 2011 at 23:39

What blocks were you given? Seems an odd mistake.

Cleeecooo · 5 Nov 2011 at 00:16

Speed said:
What blocks were you given? Seems an odd mistake.

But an easily made one.
Both HF blocks