Ok, I have this PSU (OCZ StealthXStream)
Form Factor: ATX - - Wattage: 600W - - Fan: 120 mm - - Input Voltage: 115 ~ 230
+3.3V: 36 A
+5V: 30 A
+12V 1: 18 A
+12V 2: 18 A
+12V 3: 18 A
+12V 4: 18 A
and want to get a "MSI N560GTX-Ti Twn Frozr II 2GD5/OC GeForce GTX 560-Ti Video Card - 2GB, GDDR5, PCI-Express 2.0 (x16), 2x Dual-Link DVI-I, Mini-HDMI, DirectX 11, Dual-Slot, SLI Ready, Overclocked" .......... from tigerdirect.
Will my PSU power it? I've seen modern video cards require at least a 30A 12v rail :-( I just don't want to get my puter sploded.
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Answers & Comments
Verified answer
OCZ plays some games with those numbers. There are 4 12V rails, they claim a "Maximum Output" of 18A each. But that's not all at the same time, the combined maximum output of the 3.3, 5 and 12V rails is 580W That makes the 12V rails combined something like 40A.
So it will be fine for one GTX560 card.