Can a 750 watt PSU power this build?

I'd like to get a corsair 750 watt modular psu but I am not sure if it is able to power this build:


Computer Parts v1.68

CPU: Intel Core i5-3570k

CPU Cooler: Corsair Hydro H100 CPU Liquid Cooler

RAM: Corsair Vengeance CMZ8GX3M2A1600C9B

GC: EVGA GeForce GTX 680 SuperClocked

SC: HT | OMEGA eClaro

HDD: WD WD1002FAEX 1TB Caviar Black HDD

SSD: Intel 520 Series Cherryville SSDSC2CW120A3K5 2.5" 120GB

MB: ASUS P8Z77- Deluxe

Monitor: Asus VH238H Black 23"

Optical Drive: Asus 24xDVD-RW Serial ATA Internal OEM Drive DRW-24B1ST

Case: Antec 902 V3

Note: I will get another 680 when prices drop.
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  1. Yeah, that should be fine with that system, even for SLI. The thing to keep in mind though, is that wattage isn't the only thing you should look for. Amps on the 12V rail(s) is the other major factor. Multiply Amps by the voltage to get actual wattage (eg. 62A*12V=744W). Since you didn't say exactly what model that PSU is, I can't tell you for sure if it's sufficient, but Corsair has solid PSU's, so you should be good.
  2. DJDeCiBeL said:
    Yeah, that should be fine with that system, even for SLI. The thing to keep in mind though, is that wattage isn't the only thing you should look for. Amps on the 12V rail(s) is the other major factor. Multiply Amps by the voltage to get actual wattage (eg. 62A*12V=744W). Since you didn't say exactly what model that PSU is, I can't tell you for sure if it's sufficient, but Corsair has solid PSU's, so you should be good.


    My PSU I selected is the Corsair Enthusiast Series Modular TX750M Power supply - 750 Watt.
  3. Yep, that will be perfect.
  4. For a system using two GeForce GTX 680 graphics cards in 2-way SLI mode NVIDIA specifies a minimum of a 750 Watt or greater power supply that has a combined +12 Volt continuous current rating of 53 Amps or greater and that has at least four 6-pin PCI Express supplementary power connectors.

    Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Total Continuous Amperage Available on the +12V Rail(s) is the most important factor.

    The Corsair Enthusiast Series Modular TX750M (CMPSU-750TXM), with its combined +12 Volt continuous current rating of 62 Amps and with four (6+2)-pin PCI Express supplementary power connectors, is sufficient to power your system configuration with two GeForce GTX 680 in 2-way SLI mode.
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