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| PC Power Supply Discussion Troubleshooting and discussion of computer power supplies |
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#1
12-28-2008
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Any drawback to oversized PSU?
I have recently made some changes to one of my rigs.
I pulled out 9 hard drives (one 74gb raptor and 8 400gb Seagate 7200.9 400gb SATA) and replaced them with a velociraptor and 4 ES.2 1TB Seagates replaced my 2 HD2900's with a single HD4870 Changed my mb and CPU from an Intel D975XBX2 and Intel D960 w/ Asus Rampage Formula w/ E8500 Took out 4 120mm fans. Power supply is Antec TPQ-1000. Power consumption through Kill-A-Watt is now never exceeds 500 watts including my monitor. Is there any reason to reduce the size of my power supply? I have a VX550 here on the shelf as well as a TPQ-850. It was either this or replace the air conditioner which couldn't keep up. The machine runs 24/7, but the drives spin down. The heat output has dropped significantly 
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#2
12-28-2008
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the 550 could power all that easily and seems a shame for it to be sitting on a shelf.
__________________
Rig 1: Athlon X2 7850 Kuma--Biostar 780L--2x1GB Corsair XMS2 DDR2 800--Asus Formula HD4770--Corsair VX450--LG Flatron W2252TQ--Win 7 32-bit Rig 2: AM3+ FX4100--Asus M5A 78L-M LX--2x4 GB Patriot 1333--Nvidia GTS 240--Xigmatek NRP MC702--Acer H213H--Win 7 64-bit
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#3
12-28-2008
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No reason not to use the 1000W no. It may be more efficient at your power draw than the other two anyway.
__________________
"There is no way you can be Harvard Monday through Friday, and try to be Alabama on Saturday" -Art Guepe former University of Virginia head football coach
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#4
12-29-2008
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Well, perhaps the TPQ 850w would be the best solution ? That TPQ 1000w should still have a nice resale value on the used products market.
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Intel C2D E8400 @4.2 GHz 495x8.5 DFI LanParty LT X38-T2R DIY Watercooling Adata Vitesta Extreme PC6400 4 GB kit *2 @DDR2 990 5-5-5-15 HIS HD 4870 512 MB @830-1080 WDC 3200AAKS *2 (RAID 0) + WDC 5000AACS DVDRW BenQ DW2000 + DVDRW LG GH20NS10 Creative X-Fi XtremeMusic + Creative Inspire T6600 6.1 Silverstone Olympia 750w TT Kandalf (original)
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#5
12-29-2008
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it's question of the efficiency.
you have to look whether the vx550 (which imo can run it no problem) at this load how efficient is, and also check the kW unit too.
__________________
Asrock G43 Twins :: Intel E4300 @ 2.9 GHz :: XFX Radeon HD5850 1024Mb :: 4096 Mb Corsair DHX-800 :: 2*320Gb WD Caviar SE16 :: Sb Audigy 4 :: Coolermaster CM690 :: Enermax Modu82+ 425w :: Dell 2007 WFP Abit IP35-E :: Intel E2160 @ 3.00 GHz :: Sapphire HD3850 256 :: 2048 Mb Geil Ultra 800 CL4 :: 250Gb WD Caviar RE :: Sb Audigy 1 :: AC Silentium T1 :: Arctic/Seasonic 350w :: FuSi P19-2
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