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PC Power Supply Discussion Troubleshooting and discussion of computer power supplies

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  #1  
Old 06-03-2011
earlbot earlbot is offline
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Default Is my 900W PSU enough?

The water cooling parts I've order is arriving in less than two weeks from now.
I have done water cooling before but this will be my first high end water cooling setup and I'm not sure if my PSU can handle it.
I could just go and buy a 1000W or higher PSU but, thats gonna hurt my already badly injured wallet from the WC parts I bought.
I don't want to buy a new PSU unless I really have to.

My current setup :
i7 920 @ stock speeds (will try to overclock when water cooling is installed)
Gigabyte GA-X58A-UD7 rev. 1
12 GB GEIL Value Ram (6 sticks)
Sapphire HD5970 2GB @ stock speeds (will also try tooverclock when wc is installed)
EVGA GTX 460 SE - physx card
2 180 GB HDD in RAID 0 (Seagate and WD brands)
1 320 GB HDD Seagate
Storm Sniper Case with 2x200 mm fans and 2x120 mm case fans.

Water cooling parts I will add that will draw power from PSU :
2 Swiftech MCP655Pump - 24W@12V according to the pump specs
5 Scythe Gentle Typhoons 5400 rpm - 1.14 A each
1 Scythe Kaze Master Pro 5.25 fan controller - don't know if it draws power but it has an lcd display

My PSU is a Huntkey X7 900W. Outlet is 220V. Ambient temp 30-34 C, it's still summer here. I can't install airconditioning (long story).

Thanks in advance.
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  #2  
Old 06-03-2011
mariush mariush is offline
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A good 600W power supply would probably be enough for that system, so I guess that one would be more than enough. But I don't know the quality of that Huntkey power supply.
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Old 06-03-2011
earlbot earlbot is offline
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Travis of this forum reviewed the huntkey x7 900W @ itocp.com , it was that and the availability of the unit in my area that convinced me to buy it.
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Old 06-03-2011
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Tator Tot Tator Tot is offline
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It's a solid unit, if you already have it, then there is no reason to get rid of it.

On the other hand, all he was saying is that your rig would only really need a 600w unit. So he was trying to help you from over spending.
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Old 06-03-2011
earlbot earlbot is offline
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@ Maurish : I'm sorry if my reply sounded rude, and thanks for info.
@Tator Tot : Thanks for reinforcing Maurish's answer. To be honest I was a bit apprehensive in believing his reply because the WC forums I've read (found via google), they suggest 1000 W or higher PSU's and the WC guides I read never mentioned the PSU rating necessary to support WC devices.

Again thank you for the replies. Glad that I won't spend more on a new PSU.
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