r11

I remember reading that the 4870x2 fans really knew how to put a load on the PSU. I can't seem to find it anywhere.

The reason I'm asking is because I have an 850W OCZ power supply and hope to crossfire two 4870x2's while watercooling one of them.

My loop takes out the CPU fan and one of the x2 fans, but it adds a pump and three 120 fans. What do you guys think?

Angmaar

The Waterblock won't save any power but it will reduce your card temps.

__________________

JimmyYoshi

It'll take more power to run the watercooling than the air.

DuckieHo

Fans use less than 3-8w of power each.

A basic pump uses 10-30w.

Neither have a major impact on most PSUs....

__________________
To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) If you have a question, it is not news (6) Report, not respond to Spam (7) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular (8) Sequential does not matter as much as random for OS drives

Juggalo23451

you psu should be able to handle it all. if you want to w/c. w/c will use more energy

__________________
So you want to water cool vid
Water Cooled Case suggestions
Cosmos S w/Classified water cooled(1st) w/ heatkiller and feser 360 rad
NZXT Tempest mod log(360 installed) (Fiance Build)
Founder of the Heatkiller Club
NZXT Tempest User Community
Xbox 360 mods thread
http://www.overclock.net/xbox/435678...dders-out.html

Mootsfox

The one fan is rated at about 20w I believe. A pump and three 120mm's will surpass that.

__________________

Important reads for all members
Forum Rules (TOS) | Piracy Policy | Keeping the forum classy
ATI Essentials Thread | Make a Projector < $100! | Ohio Overclocking Organization | State Overclocking List

Nikon D300s - Nikon D1H - Nikon F100
17-55mm f/2.8 AF-S - 24-120mm AF - 50mm f/1.8 AF-D
Nikkor 24mm AI f/2.8 - Nikkor 35mm AI f/2.8 - Nikkor 50mm AI f/2.0 - Nikkor-S 50mm f/1.4 - Nikkor 50mm AI f/1.4

r11

Does anyone remember where that post was that talked about how much the video card power consumption dropped once he switched to a water block?

I thought it was a lot more than 20W

jws2346

Errr...Ahhh.. I don't think water cooling would inspire you to marry the local power company boss's daughter, get you into exploration for oil, robbing banks or have you littering up your yard with wind mills I don't think most peeps take the extra current used to run rad fans and water pumps instead of a HSF into that big a consideration (although I could be wrong, I know I didn't, other than making sure my PSU was up to snuff)

The bottom line here is at most we're talkin' a couple of USD bucks (if even that)

Please post that article about savin' money WCing. I want to go nahhhh.. to all the WCing detractors

IMHO there an't nothin' like a quality, efficient water cooling loop

__________________
WC'ed Q6600, eVGA 8800GS, Win 7 RC1 x64
WC'ed Q6600 eVGA 9600GSO WinXP64
24/7 DCers

DuckieHo

What stock PC fans are rated for 20w?

Ultra high RPM Deltas are rated at 20-35w but those are no means stock fans...

__________________
To answer most of your questions: (1) a fridge cannot cool a PC (2) 64-bit OS for over 3.4GB (3) If a PCIe card fits, it should work (4) Resolution, not screen size (5) If you have a question, it is not news (6) Report, not respond to Spam (7) Single-Rail/Non-Modular PSUs are not always better than Multi-Rail/Modular (8) Sequential does not matter as much as random for OS drives

r11

There the heatsink fans on the dual gpu cards. Anyway.. it is getting close to 850W as my PSU fails with both cards maxed out.

It is not expensive because of the power consumption, its just expensive to buy another psu (1000W).

Anyways.. I will put my waterblock on one and compare. I'll post here if anyone cares