HELP!! Psu for Antec 900

Hello everyone!

I'm just a noob to the forums, even though I use t.h. for pretty much everything. Anyway, moving on to my problem.

I am (soon) going to build a hardcore gaming PC for planetside 2 and other hd games; I have made solid decisions on my parts, with my price ending up at 900-ish dollars :D However, I need a good psu for my antec 900 case, but can't find a good one.
Here is my build so far, please feel free to comment or make changes if necessary:

CPU Intel i5 2500k @3.3 Ghz )(159.99 at microcenter
GPU: MSI R7950 Twin Frozr MSI R7950 Twin Frozr 3GD5/OC Radeon HD 7950 3GB (314.99 after mail-in rebate @ Newegg) :D
Mobo: ASrock P67 Extreme 4 lga 1155 (139.99 @ Newegg)
Memory: G. skill sniper 8gb (2x4gb) 240-pin DDR3 sdram DDR3 1600mhz (39.99 @Newegg)
Storage: Samsung Spinpoint F3 1TB 3.5'' 7200 RPM Hdd (69.99 @ Newegg)
Case: Antec 900 Black steel ATX mid tower with upgraded USB 3.0 (76.42 @ Provantage)
CPU: Corsair H60 Hydro Series High Performance Liquid Cooler (49.99 after mail-in rebate @newegg)
PSU: none...yet

Sidenotes: I will overclock my i5 to at least 4.0 Ghz with a max of 4.6 ghz, is my mobo good enough for that? For PSU: I am looking at somewhere between 550 to 750 w. I will also OC's my gpu, but im pretty sure my card can handle it.

All suggestions are allowed (except trolls)!!
9 answers Last reply
More about help antec
  1. corsair TX650w V2
    or a antec HCG-620
    XFX ProSeries 750W
  2. if you only ever gonna use 1 card 500 odd will do if you wanaa run 2 mid rangeish cards 650 is the one and if you wanna get 2 extreme cards you looking at getting 750 to 850 watts depending on what you wanna get but for a single 7950 this will do fine

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817182262

    and since the 900 has no real cable management a modular psu will help and you will need an 8 extension with most units like this


    http://www.newegg.com/Product/Product.aspx?Item=N82E16812119482
  3. For a single card, I would use the seasonic 620. I have linked the modular version, but there is a fully cabled version for $10 cheaper.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151095

    For dual video I would use the seasonic 850 modular.

    http://www.newegg.com/Product/Product.aspx?Item=N82E16817151108

    Some additional builder notes for you. The H60 is a good CPU cooler, but you need to also cool your motherboard and ram. Make sure you mount a 30+ cfm 120mm fan on the side mount of the 900 case to blow air at your motherboard.

    I don't have much experience with the AsRock boards, but everything I read about them says they are great. Don't expect to get 4.6Ghz just because others have achieved that frequency, and be happy with 4Ghz. If you want higher frequency, don't buy a 2500k, buy a 3570k and make sure your motherboard supports them.

    Don't forget to purchase an optical drive, its a pita to get an os installed without one.

    Happy Building!
  4. thanks for the advice, but I think I heard something about modular psu's being slightly less effective than ordinary ones. Is that true?
  5. About the extensions...excuse my noobness...but I don't know how to use them, do I just connect them like i would with an ordinary psu?
  6. Thanks for the advice, but about the 3570k...no...just no. Sandy bridge has more overclocking potential than the other and suffers from less heat problems. If I overclock regularly, I won't have to spend an extra thirty dollars for that cpu.
  7. Oh, and last thing...how do I install a side fan?
  8. 1.need case with ability to install a side fan
    2.put the fan up against the side or the case
    3.line up the screw holes
    4.screw the screws into place
    5.plug the fan into the motherboard(find fan plug in the manual)
    6.turn on computer to see if the fan works
  9. devilofdeaths said:
    1.need case with ability to install a side fan
    2.put the fan up against the side or the case
    3.line up the screw holes
    4.screw the screws into place
    5.plug the fan into the motherboard(find fan plug in the manual)
    6.turn on computer to see if the fan works



    Thank you! I just hope my build goes well
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