|
Title: This PSU ok for 3x7950? Post by: ammi84 on January 08, 2014, 07:54:45 PM Hi,
my old PSU died these days and i need a new one i found this - price is good and in stock http://www.lc-power.de/index.php?id=251&L=1 i have 3 7950s running 1x Gigabyte 7950 Rev2 2x HIS iceQ 7950 Turbo i undervolted the cards to this: Gigabyte 7950 0.962V HIS 7950 laufen auf 1.050V Kill-a-watt displays for 1 GPU in my Test-Computer (i think the mining-rig will have a little bit less idlepower due a smaler CPU and only 1 HDD) GB: Idle ~80W / mining ~350W --> ~270W HIS: Idle ~45W / mining ~250W --> ~ 205W so imho the PSU should be ok .. but is there a problem with the "rails" ? it has 6 PCIs connectors ... can this be a problem when i (accidentally) cross the "rails" with a card??! thanks in advance config-snippets HIS Config "intensity" : "20", "vectors" : "1", "worksize" : "256", "kernel" : "scrypt", "lookup-gap" : "2", "thread-concurrency" : "22400", "shaders" : "0", "gpu-engine" : "1030-1030", "gpu-fan" : "0-85", "gpu-memclock" : "1250", "gpu-memdiff" : "0", "gpu-powertune" : "20", "gpu-vddc" : "0.000", GB Conf "intensity" : "20", "vectors" : "1", "worksize" : "256", "kernel" : "scrypt", "lookup-gap" : "2", "thread-concurrency" : "24000", "shaders" : "0", "gpu-engine" : "1140-1140", "gpu-fan" : "0-85", "gpu-memclock" : "1250", "gpu-memdiff" : "0", "gpu-powertune" : "-10", "gpu-vddc" : "0.000", Title: Re: This PSU ok for 3x7950? Post by: undeadbitcoiner on January 08, 2014, 08:03:30 PM This PSU got 1K and 1.1K max load so this PSU will be ok with your system.
If you think about further upgrading in your system or upgrading your GPU and / or voltage then you can go for 1.6K if not this is ok with your recent system. |