PSU Advice needed.

Macphisto · 12 Aug 2011 at 15:26

Hi, sorry for a noob question but can someone advise me how many Watt PSU im going to need for this build?

Motherboard - Asrock Z68 Extreme4 Gen3
Processor - Intel Core i5-2500K 3.30GHz
GFX Card - MSI GeForce GTX 570 OC Twin FrozR III 1280MB
RAM - Kingston HyperX Genesis Grey 8GB 1600MHz
HDD - Samsung SpinPoint F3 1TB
CPU Fan - Corsair A70
Drive - Samsung SH-B123L/BSBP 12x BluRay ROM
Case - Silverstone Raven 3
PSU - ???

Thanks in advance.

stulid · 12 Aug 2011 at 15:27

750w+

And that will see you good for SLI also.

Charlesswaffer · 13 Aug 2011 at 18:01

SLI

Are you sure 750W PSU will handle two GTX570 Twin Frozr cards?

I'll be getting pretty much this exact rig and am thinking of one day getting a second 570 in there. Should I consider getting an 850W or maybe even a 1000W PSU?

stulid · 13 Aug 2011 at 18:03

Charlesswaffer said:
Are you sure 750W PSU will handle two GTX570 Twin Frozr cards?

Yes, GTX570sli review - http://www.guru3d.com/article/geforce-gtx-570-sli-review/13 - I know the MSI cards are overclocked, but its a minimal affect on the power draw.

Using a test system with a more power hungry CPU etc than Sandybridge.

Charlesswaffer · 13 Aug 2011 at 18:08

Cool, thanks again Stulid. Maybe i'll pick another of these cards up sometime

stulid · 13 Aug 2011 at 18:12

Charlesswaffer said:
Cool, thanks again Stulid. Maybe i'll pick another of these cards up sometime

Make sure you get a good PSU (Corsair/XFX/Antec/OCZ etc) a few examples below,

http://www.overclockers.co.uk/showproduct.php?prodid=CA-006-LA&groupid=701&catid=123&subcat=2057
http://www.overclockers.co.uk/showproduct.php?prodid=CA-116-AN&groupid=701&catid=123&subcat=1088
http://www.overclockers.co.uk/showproduct.php?prodid=CA-039-OC&groupid=701&catid=123&subcat=1098
http://www.overclockers.co.uk/showproduct.php?prodid=CA-038-CS&groupid=701&catid=123&subcat=1084
http://www.overclockers.co.uk/showproduct.php?prodid=CA-004-XF&groupid=701&catid=123&subcat=1497

Charlesswaffer · 13 Aug 2011 at 19:48

I've ordered the Lepa one,

Would 750W be underwhelming if I were to OC the I5, i'm thinking of amending my order (if pos) and getting an 850W just to be safe

Would like to push the CPU to at least 4.6ghz

stulid · 13 Aug 2011 at 19:52

Charlesswaffer said:
I've ordered the Lepa one,

Would 750W be underwhelming if I were to OC the I5, i'm thinking of amending my order (if pos) and getting an 850W just to be safe

Would like to push the CPU to at least 4.6ghz

Nothing wrong with the Lepa, and a few people are using them in similar builds on these forums