How many watts do I need for my PC?

Here's the parts I'm getting:

AMD FD6300WMHKBOX FX-6300 6-Core Processor Black Edition (95w)

MSI NVIDIA GeForce GTX 760 OC 2GB GDDR5 2DVI/HDMI/DisplayPort PCI-Express Video Card N760 TF 2GD5/OC (???w)

Western Digital Caviar Black 2 TB SATA III 7200 RPM 64 MB Cache Bulk/OEM Internal Desktop Hard Drive - WD2002FAEX (???w)

Western Digital Caviar Blue 500 GB SATA III 7200 RPM 16 MB Cache Bulk/OEM Desktop Hard Drive - WD5000AAKX (???w)

Asus 24xDVD-RW Serial ATA Internal OEM Drive DRW-24B1ST (Black) (???w)

Corsair XMS3 8 GB (2 x 4GB) 1333 MHz PC3-10666 240-Pin DDR3 Memory Kit CMX8GX3M2A1333C9 (???w)

ASUS M5A99FX PRO R2.0 AM3+ AMD 990FX SATA 6Gb/s USB 3.0 ATX AMD Motherboard (???w)

I also plan on having a second 120mm fan, my case has one included.

I do not plan on overclocking, so I just need to know the recommended power supply wattage.
4 answers Last reply Best Answer
More about watts
  1. quality one with atleast 450w.
  2. i'll say 500W+ with 80 plus rating to be on the safe side. here's one which has a reasonable price
    XFX 550w
  3. Best answer
    For a system using a single GeForce GTX 760 graphics card NVIDIA specifies a minimum of a 500 Watt or greater system power supply that has a maximum combined +12 Volt continuous current rating of 30 Amps or greater and that has at least two 6-pin PCI Express supplementary power connectors. Some of the GeForce GTX 760 cards have a single 8-pin or two 8-pin or one 6-pin and one 8-pin PCI Express supplementary power connectors.

    Total Power Supply Wattage is NOT the crucial factor in power supply selection!!! Sufficient Total Combined Continuous Power/Current Available on the +12V Rail(s) rated at 45°C - 50°C ambient temperature, is the most critical factor.

    Overclocking of the CPU and/or GPU(s) may require an additional increase to the maximum combined +12 Volt continuous current ratings, recommended above, to meet the increase in power required for the overclock. The additional amount required will depend on the magnitude of the overclock being attempted.
  4. PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Power Supply: PC Power & Cooling Silencer MK III 600W 80+ Bronze Certified Semi-Modular ATX Power Supply ($57.99 @ Microcenter)
    Total: $57.99
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-11-17 14:04 EST-0500)
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