Tom's Hardware > Forum > CPU & Components > Power Supplies, PC Cases & Case Mods > Will This PSU Meet my Needs?
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eadwyn   03-22-2009 at 10:19:23 PM

I was hoping that someone could tell me if the PSU I am thinking about purchasing will meet my needs for the computer I am considering building.

The PSU: Antec Signature SG850 850W Continuous Power ATX12V / EPS12V
http://www.newegg.com/Product/Prod [...] 6817371018

Motherboard: ASUS P6T6 WS Revolution LGA 1366 Intel X58 ATX Intel Motherboard
http://www.newegg.com/Product/Prod [...] 6813131358

CPU: Intel Core i7 920 Nehalem 2.66GHz 4 x 256KB L2 Cache 8MB L3 Cache LGA 1366 130W Quad-Core Processor
http://www.newegg.com/Product/Prod [...] 6819115202

Video Card: Radeon HD 4870x2 crossfired with a radeon HD 4870
http://www.newegg.com/Product/Prod [...] 6814102768
http://www.newegg.com/Product/Prod [...] 6814127400

Case: Antec Twelve Hundred (5 x 120mm fans and 1 x 200mm fan)
http://www.newegg.com/Product/Prod [...] 6811129043

CPU Cooler: COOLER MASTER V8 RR-UV8-XBU1-GP 120mm Rifle CPU Cooler
http://www.newegg.com/Product/Prod [...] 6835103055

Ram: 6 x 2GB DDR3 1333
http://www.newegg.com/Product/Prod [...] 6820227375

HDD: Western Digital Caviar Black WD6401AALS 640GB 7200 RPM
http://www.newegg.com/Product/Prod [...] 6822136319

CD/DVD Drives: 2x
http://www.newegg.com/Product/Prod [...] 6827136152

Thanks for your time, I really appreciate any input you guys can give to me!

EDIT: I would also like to add, I am open to suggestions on other power supplies. I do not have a lot of knowledge in power supplies, so any sort of input on this is really appreciated.


Message edited by eadwyn on 03-23-2009 at 01:08:12 AM
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theAnimal   03-22-2009 at 11:23:18 PM

That is an excellent PSU and it has plenty of power for that system.

------------------------------ *How To Ask For New Build Advice*
HAF 922 | HX750
Rampage2Gene | i7 920 D0 | 6GB Gold 1600 | Hyper 212+
Caviar Black 640GB | HD3870
 Reply to theAnimal
butcher   03-22-2009 at 11:37:12 PM

I would say its almost over kill, but it will do fine

Reply to butcher
bluzman32   03-23-2009 at 03:07:33 AM

more of a question about the build from a noob, will the 4870x2 and the 4870 allow the system to see all 3 gpus? I always thought that crossfire would lower the power of the 2nd card to match the slower one.

Message quoted 1 times
Reply to bluzman32
theAnimal   03-23-2009 at 03:34:33 AM

bluzman32 wrote :

more of a question about the build from a noob, will the 4870x2 and the 4870 allow the system to see all 3 gpus? I always thought that crossfire would lower the power of the 2nd card to match the slower one.



Dual GPU card Crossfired with single (same) GPU card is possible. With SLI it is not possible.

------------------------------ *How To Ask For New Build Advice*
HAF 922 | HX750
Rampage2Gene | i7 920 D0 | 6GB Gold 1600 | Hyper 212+
Caviar Black 640GB | HD3870
 Reply to theAnimal
eadwyn   03-23-2009 at 04:41:56 AM

Thanks for the help theAnimal and butcher!

Reply to eadwyn
aford10   03-23-2009 at 07:25:33 AM

That's a great psu. It would more than power your system. It's probably overkill. This psu is plenty to power your build and is $110 cheaper
http://www.newegg.com/Product/Prod [...] 6817139009

------------------------------ CM HAF 932 - 300GB Velociraptor
GIGABYTE GA-EP45T-DS3R
E8500 - Sapphire 1Gb 4850
4G DDR3 OCZ Reaper 1333
 Reply to aford10
gkay09   03-23-2009 at 07:51:38 AM

Well that PSU is very gud...Hope you are taking the combo...
1. Antec Twelve Hundred: $179.99

2. Antec SG850: $229.99

Combo Discount: -$60.00
Combo Price: $349.98
http://www.newegg.com/Product/Comb [...] mbo.176601

But personally I would go for this combo...If you don mind to change your case, then even this is a gud option and will save you lot of money...

1. Corsair Memory, Inc. CMPSU-850TX: $129.99

2. Cooler Master RC-1000-KSN1-GP: $189.99

Combo Discount: -$40.00
Combo Price: $279.98
$20.00 Mail-In Rebate

http://www.newegg.com/Product/Comb [...] mbo.176942

Reply to gkay09
gkay09   03-23-2009 at 08:01:42 AM

But I think you can make some changes, that can still keep the performance factor intact and improve the overall specs...
For eg.
Changing the PSU+CASE to the Corsair + Cosmos combo, will save you about $70,
Then change the Mobo to the P6T V2 Deluxe(Most favoured LGA1366 board)...saves $80

So overall $150 saved...So why not spend this on a Blue Ray burner...
http://www.newegg.com/Product/Prod [...] 6827129037

That config will look better with a Blue Ray burner...
And the main thing is you are not skimping on the parts...the alternates are all the best out there...

Well just a thought...Its finally your call anyways...


Message edited by gkay09 on 03-23-2009 at 08:03:24 AM
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