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Cooler Master GX 650W 80+ Power Supply SLI ATX12V V2.31 24PIN Active PFC PCI-E 120mm Fan

Cooler Master GX 650W 80+ Power Supply SLI ATX12V V2.31 24PIN Active PFC PCI-E 120mm Fan - 1
Actual product may not be exactly as shown.
Cooler Master GX 650W 80+ Power Supply SLI ATX12V V2.31 24PIN Active PFC PCI-E 120mm Fan - 50253_l.jpg Cooler Master GX 650W 80+ Power Supply SLI ATX12V V2.31 24PIN Active PFC PCI-E 120mm Fan - 50253_1.jpg Cooler Master GX 650W 80+ Power Supply SLI ATX12V V2.31 24PIN Active PFC PCI-E 120mm Fan - 50253_2.jpg Customer Photos (0)

Reg. Price: $98.98  CAD
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   Shipping Weight:   5.0 lbs
   Part #: RS650-ACAAD3-US

Features    [ Edit | History ]

The Cooler Master GX Series power supplies stand for Gamer Xtreme, the evolved version of Extreme Power Plus. With up to 60 amps on a single rail, there is enough power to start up a truck, imagine what it can do for your system. With so much power at your disposal, Cooler Master ensures the most stringent safety standards are met. The extended 5 year warranty is included to give you further piece of mind.

Quick Specs:
Efficiency 85%
Input Voltage 110 V AC 220 V AC
Output Power 650 W
Limited Warranty 5 Year
Output Voltage 3.3 V DC @ 25 A 5 V DC @ 25 A 12 V DC @ 52 A -12 V DC @ 500 mA 5 V DC @ 2.50 A
Form Factor Internal
Height 5.9"
Width 5.5"
Depth 3.4"
Number of Fans 1
Green Compliant Yes
Green Compliance Certificate/Authority 80 Plus Bronze
NVIDIA SLI Supported Yes
Number of +12V Rails 1

Specifications    [ Edit | History ]
General Information  
     Brand Name: Cooler Master
     Manufacturer: Cooler Master Co., Ltd
     Manufacturer Part Number: RS650-ACAAD3-US
     Manufacturer Website Address:
     Product Model: RS650-ACAAD3-US
     Product Name: RS650-ACAAD3-US ATX12V & EPS12V Power Supply
     Product Series: GX
     Product Type: ATX12V & EPS12V Power Supply
     Plug/Connector: On/Off Switch
     Receptacles: 1 x 20+4pin ATX Motherboard
1 x 4+4pin ATX12V Motherboard
2 x 6+2pin PCI-E
6 x Serial ATA
3 x 4-pin LP4 Peripheral Device
1 x 4-pin SP4 Floppy Drive
     Green Compliance Certificate/Authority: 80 Plus Bronze
     Green Compliant: Yes
Physical Characteristics  
     Depth: 3.4" (86 mm)
     Form Factor: Internal
     Height: 5.9" (150 mm)
     Width: 5.5" (140 mm)
Power Description  
     Input Current: 10 A @ 110V
6 A @ 220V
     Input Voltage: 110 V AC
220 V AC
     Input Voltage Range: 90 V AC to 264 V AC
     Input Voltage Type: AC
     Number of +12V Rails: 1
     Output Power: 650 W
     Output Voltage: 3.3 V DC @ 25 A
5 V DC @ 25 A
12 V DC @ 52 A
-12 V DC @ 500 mA
5 V DC @ 2.50 A
     MTBF: 100000 Hour
Technical Information  
     Efficiency: 85%
     Number of Fans: 1
     NVIDIA SLI Supported: Yes
     Power Factor Correction (PFC): Active
     Protection Type: Over Voltage
Under Voltage
Over Power
Over Temperature
Short Circuit
     Limited Warranty: 5 Year


Product reviews on are screened for relevance and inappropriate content. Reviews may contain inaccurate information about the product. If there is a discrepancy, please use the Flag this Review link located beside each review. Reviews are not an endorsement expressed by, but opinions from customers based on their own experience with a product. We do not recommend you make purchasing decisions based on facts or opinions expressed regarding COOLERMASTER RS650-ACAAD3-US reviews.
Experience: 1 Months
 Verified Owner
works very well so far, and it is quiet as well
Good PSU with 80 plus bronze and active pfc. designed for gaming for sure.

Experience: 4 Months
easy to install and runs quiet
cables a bit bulky but can work around
i had an issue with the extreme series 600 from coolermaster and RMa it with out a hitch.after a week they contacted me and said that they exchanged my defective one for this gx650W and i am glad they did . not one complaint and the fact that it has a more stable 12v rail than its predecessors was a bonus.
a great value for the buck.

Experience: 1 Months
 Verified Owner
Inexpensive, 80+
Would've liked it all black or at least a normal case colour (blue, red, etc.)
For the price of it, its definitely not a bad PSU. Not sure I'm sold on the decal that is on the side of it. Doesn't really match in any case colour wise. If you can spend more get something fully modular, it looks way better and is easier to cable manage.

Experience: 1 Weeks
Cheap, works decent
fan blew in mine, wouldnt OC with it
very Cheap PSU, considering we had one in the store, for repair guy decided he wanted ot trash it i scrapped it off my friend who claimed it for 10000 world of warcraft gold lol, works fine after i replaced the fan, you get what you buy, cheap is cheap but works great for what i paid =)

Experience: 1 Days
 Verified Owner
Price and looks
except for the sticker a little crooked like the pic
I was very impressed with this power supply for the price. All of the cables are a good thickness and are all sleeved. All the connectors are a nice tight fit. I put it in a mid size thermaltake v9 black and the cables were the perfect lenght. I would worry putting this in a larger case, You might run into some lenght challenges.

This review was modfied by poster @ 09-15-10 01:18 AM

Experience: 3 Weeks
80+ Good for budget PC
Good looking
The fan is a bit noisy.
I bought it because it was cheap, 80+ and 650W for $90. I didn't expect more. It was cheap like OCZ. I don't recommended to buy it for gamers. Go look for Antec, Corsair ,and Silver Stone. It is a good price for beginners. Good Luck!

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Messages about Cooler Master GX 650W 80+ Power Supply SLI ATX12V V2.31 24PIN Active PFC PCI-E 120mm Fan

Enough for 5850 crossfire? (Hyp3rsonic- Jul 28, 11, 5 Replies) Read this message

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Forum messages are not reviewed and may not contain accurate information about a product. Message contents are opinions from customers based on their own experience with a product. We do not recommend you make puchasing decisions based on Forum messages.
Reviews from the Web

Below are reviews found on other web sites for this product submitted by customers.

Comment: The Cooler Master GX-650 Bronze modular power supply has a good energy efficiency on full load and is thus well suited for overclocked Mid-Range PCs.
Posted by: Babaghan @09/03/11
Submit a review link   |   Latest 30 reviews
Product Warranty
1 year limited warranty through

Support For USA, Canada, & Mexico 
Cooler Master USA, Inc.
Unit A - 1951 S Parco Ave.
Ontario, CA

Phone: 1-909-673-9880
Fax:  1-909-673-9882 or 9883

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All pricing subject to change. For all prices, products and offers, reserves the right to make adjustments due to changing market conditions, product discontinuation, manufacturer price changes, errors in advertisements and other extenuating circumstances. Promotional offers from are subject to availability and are available only while supplies last. No rain checks will be issued on promotional items and offers.

While uses all reasonable efforts to include accurate and up-to-date information on the Site, makes no warranties or representations as to the Site's accuracy. assumes no liability or responsibility for any errors or omissions in the content on the Site. warrants product(s) to be in good working condition and free from defects in material and workmanship for a period of one (1) year for OEM packages, and for thirty (30) days for RETAIL packages, from the original Invoice date unless otherwise restricted below or by the manufacturer's own warranty policy. Defective returns and warranty service will be replaced, exchanged or repaired at's sole discretion, and based on vendor's policy.

NON-DEFECTIVE merchandise returns may be accepted on some items ONLY within 15 days of the Invoice date, at's discretion. All NON-DEFECTIVE returns are subject to a 15% restocking fee. No refunds will be issued for blank media, digital cameras (and accessories), opened software, printers, printer supplies, paper, projectors (and accessories), appliances, handhelds, PDAs, notebook computers, special order computers and special order items.

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