so, i have an ati x1950xtx 512 ddr4 wich requires 30A at 12V .... my psu has 29A at 12V. It will work ? My psu arrives tomorrow and I do not remember where I saw that x1950xtx 512 ddr4 requires only 27A...

I can't cancel the order for psu... it's to late ....

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AMD Athlon64 X2 4200+ sk.AM2 2.2 GHz 65W o/c 2.6 GHz
Noctua NH-U12F CPU Cooler 2x12cm FANs
ASUS M2N32-WS PRO nVIDIA nFORCE 590 SLI MCP
2GB OCZ OCZ2GB8001G DDR2 PC2-6400 o/c 868 MHz 5-5-5-15 2T
Asus ATI Radeon X1950XTX 512MB DDR4 256-bit PCI-e
2 x Seagate SATA2 160GB (RAID 0) 7200rpm 8MB
SILVERSTONE STRIDER ST56F 560W - combined 12V 36A

lol dude it doesn't matter 1 amp isn't going to destroy your system or anything. Also the x1950xtx requires 24-32amps depending on the company that makes it. Don't worry even if it does need the extra 1 or 2 amps. It won't do anything. My brother's comp's psu is 300 watts and it's got a 7900gtx in it and it requires a [content edited] load more of power than the mere 300 watt psu can handle. He even has his 3800x2 oc with his 2gb ram.

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(Mine)1. 650watt antec psu, 3.1ghz 5000+, 2gb ddr2 667mhz, 7950gt sli'd, 320gb sata hd
(Bros) 2. 300watt antec psu, 2.6ghz 3800+, 768mb ddr, 7300gt, 120gb sata western digital hd
(Family) 3. 200watt psu, 1.33ghz anthlon, 256mb ddr133, 9200 radeon, 40gb hd