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Cooler Master > 
Item#: N82E16817171023

COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W ATX Form Factor 12V V2.3 / SSI Standard EPS 12V V2.91 SLI Certified CrossFire Ready 80 PLUS Certified Active PFC Power Supply

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  • ATX Form Factor 12V V2.3 / SSI Standard EPS 12V V2.91
  • 80 PLUS Certified
  • 90 - 264 V 47 - 63 Hz
  • ATX12V & EPS12V Power Supply
  • 264 V AC

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

Cooler Master's Real Power Pro RS-650-ACAA-A1 PSU is designed with the power user in mind. This 80 Plus certified unit has a rated continuous output capacity of 650W with a max peak output of 780W. Not only is it a SLI certified unit, it is also compliant with ATX 12V v2.3 and EPS 12V v2.91.

The 24-pin motherboard connector is backed up by both a 4-pin and an 8-pin CPU connector. There are 5 Molex and 6 SATA connectors for drives and other peripherals. The 2 PCIe connectors have bead core protection to minimize EMI and electrical noise. A floppy drive connector is included, just in case you need one.

Keeping everything cools is a 120mm fan with an automatic speed control. The back panel is a honeycomb mesh for unrestricted air flow. The combination results in a low noise rating of only 17dBA.

  • newegg ATX12V and EPS12V Compatible Compatible with the ATX12V (ATX v2.3) and EPS12V v2.91 standards, the Cooler Master Real Power Pro 650W provides maximum power stability to drive the latest Intel and AMD processors as well as other components for desktop and server computer systems.
  • newegg 650W Continuous Power A continuous power of 650W delivers safe, reliable output for high-end PC systems.
  • newegg 80 Plus Certified The 80 PLUS certified power supply provides high power efficiency of at least 80% at any load between 20% and 100%, saving your money on your electrical bill, reducing heat in your computer's system and prolonging its life.
  • newegg Ultra-silent Cooling Fan The Cooler Master Real Power Pro 650W features a large 120mm fan with intelligent fan speed control for superior cooling and minimized operation noise as low as 17dBA.
  • newegg NVIDIA SLI Certified Featuring two 6-pin PCI-E power connectors, the Cooler Master Real Power Pro 650W power supply has gone through a series of rigorous NVIDIA SLI certification tests for maximum system stability when building NVIDIA SLI PCs.

Learn more about the Cooler Master RS-650-ACAA-A1


Real Power Pro


ATX Form Factor 12V V2.3 / SSI Standard EPS 12V V2.91
Maximum Power
120 mm fan with intelligent speed controller
Main Connector
+12V Rails
PCI-Express Connector
2 x 6-Pin
SLI Certified
CrossFire Ready
Power Good Signal
Hold-up Time
17ms min.
> 80%
80 PLUS Certified
Over Voltage Protection
Input Voltage
90 - 264 V
Input Frequency Range
47 - 63 Hz
Input Current
10A @ 115V, 5A @ 230V
Nemko, TUV, cUL, CE, BSMI, FCC, CCC, CCC, C-tick, GOST
Standard ATX 150 x 140 x 86 mm
ATX12V & EPS12V Power Supply


Input Voltage
264 V AC


M/B 24 Pin x 1
CPU 4 Pin x 1
CPU 8 Pin x 1
PCI-E 6 Pin x 2
4 Pin Peripheral x 5
SATA x 6
4 Pin Floppy x 1
Eco-design for energy and money saving by Active PFC. (>0.99) / High Efficiency (>80%)
Ultra-silent operation with intelligent 120mm fan speed controller makes superb heat dissipation at low noise (17 dBA)
Compliance with the newest Intel standard ATX 12V V 2.2
Compliance with the newest SSI standard EPS 12V V2.91
PCI-E connector with bead core protection to minimize EMI for reducing noises
Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 5 years
  • Limited Warranty period (labor): 0 day
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
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