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Is LC-Power 560W (which is rebranded 500W) enough for HD 4870 rig?

post #1 of 8
Thread Starter 
I just built myself a htpc media/gaming rig (NOT MY SIG RIG) and I'm really worried about this PSU not being enough for my setup:

Gigabyte P55A-UD3R
i5 750
2x2gb 1333mhz DDR3
Palit HD 4870 Sonic Dual Fan Edition
640gb WD HDD
wifi card
3 fans + cpu cooler fan
LC-Power 560W PSU (which is really 500W)

The HD 4870 is connected with only one 12v cable which splits into 2 6-pin connectors so is that ok or what (4870 is getting only 17A or 18A since the PSU is dual rail)?? I haven't tested any games or furmark yet because I don't want to fry my card/blow my PSU straight away. What do you think? Is this PSU enough?confused.gif

PSU specs at 80plus: http://www.plugloadsolutions.com/psu_reports/LC-POWER_LC6560GP3%20V2.3%20GREEN%20POWER%20EDITION_ECOS%201780_500W_Report.pdf

Also, combined 12v output power=282W??
Edited by TheFlameFox - 12/23/10 at 4:15am
    
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post #2 of 8
Sure it has enough wattage but I would not use that power supply buy something like the Antec TruePower 550 watt.
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post #3 of 8
Thread Starter 
Quote:
Originally Posted by Wubble;11749680 
Sure it has enough wattage but I would not use that power supply buy something like the Antec TruePower 550 watt.

Yeah but my PSU has total of 27A available on the 12v rails:(
is that enough??
    
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post #4 of 8
It's enough, but you may want to drop your clocks a bit to be on the safe side.
I also back the move to the Antec TPN 550, it's a better PSU by a mile.
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post #5 of 8
Thread Starter 
Quote:
Originally Posted by allikat;11749762 
It's enough, but you may want to drop your clocks a bit to be on the safe side.
I also back the move to the Antec TPN 550, it's a better PSU by a mile.

Yeah I'm gonna be running at stock clocks until I get a better psu and cooling.
Just a bit worried since i5 750 95W + HD 4870 160W + other stuff ~50W = 305W on the 12v
    
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post #6 of 8
Wait... LC power... *checks JonnyGuru* It's a Huntkey built unit, you should be OK at stock clocks, get a better one before you stress the machine much.
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post #7 of 8
Thread Starter 
Quote:
Originally Posted by allikat;11749807 
Wait... LC power... *checks JonnyGuru* It's a Huntkey built unit, you should be OK at stock clocks, get a better one before you stress the machine much.

How much would be too much?? You mean like prime95 + furmark for 12h at the same time or just normal crysis gaming?
    
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post #8 of 8
Normal Crysis gaming should be fine at stock clocks, prime+ furmark as a combination (aka OCCT power supply test/killer) will be too much. Games will be fine, as will all other normal use, stress test at your own risk.
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256GB Samsung PM961 Polaris M.2 NVMe  1TB Toshiba DT01ACA100 3.5" HDD, SATA III  Cooler Master Hyper 212 Evo Windows 10 64 
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