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Old 11-09-2007, 12:34 AM   #1 (permalink)
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Default Will a 500W PSU be sufficient?

A friend of mine will be building a new rig soon. Here's his list.

Q6700 Core 2 Quad 2.66 GHz CPU
Newegg.com - Intel Core 2 Quad Q6700 Kentsfield 2.66GHz 2 x 4MB L2 Cache LGA 775 Processor - Retail

G.Skill 2 x 1 GB DDR2 800 RAM
Newegg.com - G.SKILL 2GB (2 x 1GB) 240-Pin DDR2 SDRAM DDR2 800 (PC2 6400) Dual Channel Kit Desktop Memory - Retail

EVGA 8800GT Superclocked Video Card
Newegg.com - EVGA 512-P3-N802-A1 GeForce 8800GT Superclocked 512MB 256-bit GDDR3 PCI Express 2.0 HDCP Ready SLI Supported Video Card - Retail

GIGABYTE GA-P35-DS3L Motherboard
Newegg.com - GIGABYTE GA-P35-DS3L LGA 775 Intel P35 ATX Intel Motherboard - Retail

1 WD Raptor 74GB 10,000 RPM
Newegg.com - Recertified: Western Digital Raptor WD740GD 74GB 10,000 RPM 8MB Cache Serial ATA150 Hard Drive

Lite-On DVD Burner
Newegg.com - LITE-ON Black 20X DVD+R 8X DVD+RW 8X DVD+R DL 20X DVD-R 6X DVD-RW 12X DVD-RAM 16X DVD-ROM 48X CD-R 32X CD-RW 48X CD-ROM 2MB Cache SATA DVD Burner with LightScribe - Retail

2 x 120mm case fans.

Will something like a Thermaltake 500W power supply work for this setup?
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Old 11-09-2007, 12:44 AM   #2 (permalink)
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Default Re: Will a 500W PSU be sufficient?

according to the newegg wattage calculator- youd need at least 538= and youll want good amps on the 12v rails for the graphics- Always jump a little higher then what it says- 538 means it would BARELY do it- Id shoot for 600


All that assuming the newegg calculator is correct- I don't know enough myself to calculate each needed - expecially since the options are limited in neweggs choosing- i chose High end mobo, 10,000 rpm drive, etc etc- I chose GTS (even though its higher power use) since the GT isnt on the list yet.
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Old 11-09-2007, 12:47 AM   #3 (permalink)
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Default Re: Will a 500W PSU be sufficient?

post the thermaltake you're looking at purchasing, 500W will barely be enough but more importantly buy a decent one, with good 12V rails.

Newegg.com - XCLIO X14S4P3 ATX12V 500W Power Supply 100 - 240V/ 200 - 240V UL, CUL, TUV, CB, VDE, FIMKO, DEMKO, NEMKO, SEMKO - Retail

here's a 500W with 3 12V rails with 18,18,16 which is 52 total Amps which would be more than enough for your system

Newegg.com - XCLIO STABLEPOWER 500W ATX 500W Power Supply 100 - 240 V UL, CUL, TUV, CB, VDE, FIMKO, DEMKO, NEMKO, SEMKO - Retail

and for $20 less you get 2 12V with 18Amps each

EDIT: oh and tell your friend to get a Q6600, lot less and you can just overclock to Q6700 speeds.
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Old 11-09-2007, 12:49 AM   #4 (permalink)
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Default Re: Will a 500W PSU be sufficient?

not to mention the q6600 is quad cored for your pleasure.
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Old 11-09-2007, 02:28 AM   #5 (permalink)
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Default Re: Will a 500W PSU be sufficient?

I was under the impression that a good 520W PSU would handle this system, but that is obviously less than Kisskerven's 538W recommendation.

Can anyone else provide some more insight on this?
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Old 11-09-2007, 02:54 AM   #6 (permalink)
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Default Re: Will a 500W PSU be sufficient?

the ever recommended HX series will do, and with good reason, they're very good PSU's.

But if your worried about it, or want plenty of headroom, stick a 600W in. I wouldn't suggest getting a lower quality 500W and just hoping.

And as aether mentioned, the 6700 isn't worth the extra cash.
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Old 11-09-2007, 10:55 AM   #7 (permalink)
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Default Re: Will a 500W PSU be sufficient?

Get the corsair 520hx, replace the q6700 with a 6600 and the raptor with a new seagate .11 drive. This will save you a LOT of money and more than likely end up within 5% of the same speeds.
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Old 11-09-2007, 11:11 AM   #8 (permalink)
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Default Re: Will a 500W PSU be sufficient?

I would suggest for a non modular unit: PCP&C 610, and for a modular one, HX620.
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Old 11-09-2007, 11:33 AM   #9 (permalink)
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Default Re: Will a 500W PSU be sufficient?

Power supply calculators are stupid. You certainly do not need a min of 538 Watts for that build..
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Old 11-09-2007, 11:34 AM   #10 (permalink)
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Default Re: Will a 500W PSU be sufficient?

The corsair 550vx is also nonmodular and only about 80 bucks. 83% efficiency and a giant 12v rail, 48A i believe.
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