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What power supply? [updated]

Last response: in Systems
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July 20, 2010 1:50:24 PM

I already have a DVD burner which works great, and I don’t have to have a hard drive, but they’re so freaking cheap now it’s kinda stupid to stick with the 80 GB one I have.

The main concern I have is - what power supply should I get for this? I do not plan on Overclocking my system at all. Also, do I need a different heatsink/fan for my CPU, or is the default one it comes with fine?

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Here is the final build. I think the crucial memory will do its job just fine, but I don't know.

Tell me what you guys think!

1. Intel Core i7 processor - 2.66 GHZ w/fan - $249.99
2. EVGA 141-BL-E757-TR $199.99 ($179.99 w/ $20 mail-in rebate)
3. Crucial 6GB (3 x 2GB) 240-Pin DDR3 SDRAM DDR3 1066 (PC3 8500) Triple Channel Memory - $140.99
4. XFX HD-587X-ZNFC Radeon HD 5870 1GB 256-bit DDR PCI Express 2.1 x 16 HDCP Radey Crossfire X Support Video Card - $409.99
5. Cooler Master HAF 922 RC-922M-KKN1-GP Black Steel + Plastic and Mesh Bezel ATX MidTower Computer Cast - $89.99 + 19.98 Shipping.
6. Antec Truepower TP-550 - $87.99 + 1.99 shipping
7. Seagate Barracuda 7200.12 HDD - $49.99

Total: $1230.90

I don't plan on crossfiring anytime soon.

My last build was:

AMD x2 socket 939 2.8 GHZ (I believe)
2 GB DDR2 Memory
Geforce 8600GT
120 GB Western Digital HD

how much of a difference can I expect? :D 

More about : power supply updated

a c 87 ) Power supply
July 20, 2010 1:56:26 PM

For a harddrive I'd suggest the Samsung Spinpoint F3 or Seagate Barracuda 7200.12 - 500GB or 1TB versions.

If you only want to power one video card than a good 550W PSU is right. If you want to crossfire then a good 750W one. So, do you want to be able to crossfire? Also do you want to have a modular one? I will come up with a suggestion once you answer these two questions. I shall point out that with a massive bottom mounted case like the HAF 922 the need for a modular PSU isn't very high, as cables can just lie on the bottom without getting in the way of airflow.
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July 20, 2010 2:02:52 PM

You can save a buncha money switching to an asus p6x58d-e or ga x58 ud3r.

Default HSF is fine if you don't plan on overclocking.
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a c 77 ) Power supply
July 20, 2010 2:16:42 PM

^+1 the above suggestions.

I would recommend either the Antec TruePower TP550 for 1 card or the Corsair CMPSU-750TX for 2 cards.

Also, you want triple-channel memory for an i7-920. I would consider dropping down to an i5-750 build instead to save money.
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July 30, 2010 2:17:17 AM

Best answer selected by krazeedocta.
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