Coolermaster GX 650W PSU

QuickFind: 200491 Mfr part code: RS650-ACAAE3-UK
  • 80plus bronze certified efficiency
  • 6x SATA hard drive connectors
  • 2x 6+2pin PCI-Express graphics card connectors
  • Quiet 120mm cooling fan
  • 5 year Coolermaster warranty

Product Description

Coolermaster GX 650W PSU

The CoolerMaster GX range of power supplies feature a single powerful +12V rail that has been designed to deliver more than ample power to dual graphics card systems, no matter if you use SLI or CrossFireX. On top of this you also get a wide range of other high-quality Cooler Master features which makes the Cooler Master GX range the ideal solution for your system.   Designed for dual GPU systems All of the power supplies in the Cooler Master GX range have been specifically designed for dual GPU systems  Up to 85% efficiency All of the power supplies in the Cooler Master GX range features up to 85% power efficiency and are 80 plus bronze rated. This means more power goes where it's needed and less power is wasted in heat.   Advanced features The Cooler Master GX series comes with a range of advanced features such as a powerful single +12V rail, huge bulk capacitors with a >17ms hold up time which means that the power supply will be able to handle peak loads better, low noise dual layer EMI filters that reduces noise in the power lines, an energy efficient dual mode Active PFC/PWM controller, an efficient transformer that reduces the 5Vsb power loss when the system is in standby mode and a wide range of protection designs that will prevent damage to the system in case of a malfunction.

* Compliance with the latest Intel standard ATX 12V V 2.31
* Single 12V rail for most demanding SLI configurations
* High efficiency design that meets 80plus requirements (85% typical)
* Ultra-silent operation with intelligent 120mm fan speed control
* Multiple protection design
* High reliability
* Huge bulk capacitor for hold time up >17ms at full loading
* Integrated Active PFC with PWM
* Efficient transformer
* Five year warranty

Model RS.50-ACAAE3-UK
Type Intel Form factor ATX 12V V2.31
Dimension (W / H / D) 150*140*86 mm
Input Voltage 90-264Vac
Input Current 7A@115vac, 5A@230Vac
10A@115Vac, 6A@230Vac
Input Frequency Range 47-63Hz
PFC Active PFC
Power Good Signal 100-500ms
Hold Up Time >17ms
Efficiency 85% Typical
MTBF > 100000 Hours
Output Capacity 550W/650W/750W
Max. Output Capacity 660W/780W/900W
Operation Temperature 0-40 Degrees
Fan 120mm
Certifications 80 Plus
750W: SLI and 80 Plus

20+4 Pin MB*1
4+4 Pin CPU 12V*1
6+2 PIn PCI-e*2
4Pin Peripherial*3
4 Pin floppy*1

Technical Specification

Coolermaster GX 650W PSU


Specification Compliance ATX12V 2.31/ EPS12V 2.91
Width 15 cm
Depth 14 cm
Height 8.6 cm
Device Type Power supply - active Power Factor Correction (PFC) - internal
PSU Form Factor ATX
Localisation United Kingdom

Power Device

80 PLUS Certification 80 PLUS Bronze
Input Voltage AC 115/230 V
Input Voltage Range AC 90 - 264 V
Frequency Required 47 - 63 Hz
Power Output Connectors Details 1 x power 24 pin ATX with detachable 4 pin section ¦ 1 x power 8 pin +12V with detachable 4 pin section ¦ 2 x 8 pin PCI Express power with detachable 2 pin section ¦ 3 x 4 PIN internal power ¦ 6 x 15 pin Serial ATA power ¦ 1 x 4 PIN mini-power connector
Output Voltage +3.3, +5, ±12 V
Power Capacity 650 Watt
Output Current +3.3V - 25 A ¦ +5V - 25 A ¦ +12V - 52 A ¦ -12V - 0.5 A ¦ +5VSB - 2.5 A


MTBF 100,000 hours
Cooling System 120 mm fan
Features Fan speed monitoring, overheat protection, over voltage protection, overpower protection, SLI ready, undervoltage protection, short-circuit protection, single 12V rail
Compliant Standards UL, TUV, C-Tick, BSMI, GOST, CCC, FCC, KCC

Manufacturer Warranty

Service & Support Limited warranty - 5 years
Service & Support Details Limited warranty - 5 years

Environmental Parameters

Min Operating Temperature 0 °C
Max Operating Temperature 40 °C

Dimensions & Weight

Width 15 cm
Depth 14 cm
Height 8.6 cm

Product Reviews

Ask an Owner

Coolermaster GX 650W PSU

Sorry, customer questions are not available for this product.

Product Discussion

Coolermaster GX 650W PSU

Our comments box is a great way for you to view other people's feedback about products on, and add your own.

  • This tool is open to everyone.
  • You are responsible for the contents of your comments and any consequences that may arise as a result of them.
  • Comments that contain any of the following will be deleted: terms considered explicit and inappropriate; defamatory, obscene, unlawful, harmful, or offensive.

Sorry, this product is currently out of stock.

Enter your email address below if you would like to be informed when this product is back in stock.

By entering your email address here you are agreeing that you would like to be notified when this product is back in stock and you have read and agree to our privacy policy

Add-ons and Accessories


Corsair 16GB DDR3 1600Mhz Vengeance Memory

£75.48 inc. vat
£93.57save £18.09
£62.90 ex. vat
£77.97save £15.07

Xenta SATA 3 Cable 6Gbps - 64cm

£0.27 inc. vat
£0.99save £0.72
£0.22 ex. vat
£0.82save £0.60

PSU Accessories

Premium Braided 30cm PSU Exention Cable Kit - Red

£14.99 inc. vat
£12.49 ex. vat