I7 SFF build - enough power?

i7 920

MSI X58M (micro-atx)
http://www.newegg.com/Product/Product.aspx?Item=N82E16813130227

OCZ Gold 6GB (3 x 2GB) 240-Pin DDR3
http://www.newegg.com/Product/Product.aspx?Item=N82E16820227365

SAPPHIRE 100258-1GHDMI Radeon HD 4850 1GB 256-bit GDDR3
http://www.newegg.com/Product/Product.aspx?Item=N82E16814102837

SILVERSTONE Sugo SG01-BF Black Aluminum / Steel MicroATX Desktop SFF Chassis Computer Case - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16811163116

Western Digital Caviar Black WD6401AALS 640GB 7200 RPM SATA 3.0Gb/s 3.5" Internal Hard Drive - OEM
http://www.newegg.com/Product/Product.aspx?Item=N82E16822136319

SAMSUNG DVD Burner Black SATA Model SH-S223L - OEM
http://www.newegg.com/Product/Product.aspx?Item=N82E16827151188

OCZ ModXStream Pro OCZ500MXSP 500W ATX12V V2.2 / EPS12V SLI Certified CrossFire Ready 80 PLUS Certified Modular Active PFC ... - Retail
http://www.newegg.com/Product/Product.aspx?Item=N82E16817341016

I accidently ordered the wrong PSU though. I was going to get the 600 or 700 watt version of this series of OCZ psu's. I am now wondering if it may be enough anyway for this setup?

I am not a gamer (I have a XBOX360 for that, and barely use it). I just wanted a SFF media PC that would be a great performer for years to come. I realize the i7 is overkill for my needs but the price difference of this setup versus an E8400 or something, was only a couple hundred dollars. Microcenter has a great deal on 920's ($229) that was just too hard to pass up. Even the 4850 is overkill for me, but I got it in a combo deal with the memory and figure it will last quite few years as well.

Anyway...Do you think this will be enough power? when I put my system in the "power supply calculator", it tells me I would need less than ~350w. Even overclocked a bit, it tells me like ~430w. I dont plan on ever adding a second card or anything like that, so headroom is not all that important to me. Need to decide if I need to return it when it gets here or not. I'm thinking it should be sufficient for me, but would like some opinions. What do you think?
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More about build power
  1. It should be fine, but IMO I agree that this is too overkill for HTPC. Even a 5050E AM2 can take care of the HTPC tasks.
  2. Yea it def is overkill. I figured if I spend a couple hundred bucks now though, I'll be all set for a long time. I guess I just wanted something more future-proof in case my needs or wants change in the future. Thanks for the opinion.

    Anyone else running an i7 on ~500w?
  3. Should I upgrade to a 600w instead?
  4. IMO I reccomend this PSU, it is a very reliable one and can pull more than its rated,

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817139004&Tpk=550W%20corsair
  5. That's a nice psu but with the SFF case, I really need modular to help fight temps. OCZ seems to have a good prices for modular 80-plus psu's. maybe I'll just return it for the this one

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817341017
  6. I guess its a smarter idea to do that, I guess OCZ PSUs are okay.
  7. corsair has modular, like mine HX1000w, it does have some brothers that have lower rating and still modular i think
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