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Cooler Master Extreme 2 Power Plus 625W ATX 12V Power Supply 20/24PIN 120mm Fan

Cooler Master Extreme 2 Power Plus 625W ATX 12V Power Supply 20/24PIN 120mm Fan - 1
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Reg. Price: $66.05  CAD
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   Shipping Weight:   4.4 lbs
   Part #: RS625-PCARD3-US
 May We Also Suggest

Features    [ Edit | History ]

The new release Extreme2 series packs a powerful punch by delivering stable streams of power through dual +12V outputs which will operate better and more efficient to your system. With the highly durable capacitor that can resist the heat up to 105 ? as well as the multiple protection designs and reliable 3 year warranty service, there's no doubt it's a great choice for home or office PC build or upgrade.

Quick Specs:
Input Voltage 110 V AC 220 V AC
Output Power 625 W
Limited Warranty 3 Year
Output Voltage 3.3 V DC @ 22 A 5 V DC @ 22 A 12 V DC @ 24 A -12 V DC @ 300 mA 5 V DC @ 2.50 A
Form Factor Internal
Height 5.5"
Width 5.9"
Depth 3.4"
Number of Fans 1
Green Compliant Yes
Green Compliance Certificate/Authority WEEE
Number of +12V Rails 2

Specifications    [ Edit | History ]
General Information  
     Brand Name: Cooler Master
     Manufacturer: Cooler Master Co., Ltd
     Manufacturer Part Number: RS625-PCARD3-US
     Manufacturer Website Address:
     Product Model: RS-625-PCAR
     Product Name: Extreme 2 625
     Product Type: ATX12V & EPS12V Power Supply
     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: WEEE
     Green Compliant: Yes
Physical Characteristics  
     Depth: 3.4" (86 mm)
     Form Factor: Internal
     Height: 5.5" (140 mm)
     Width: 5.9" (150 mm)
Power Description  
     Input Current: 10 A @ 110V
5 A @ 220V
     Input Voltage: 110 V AC
220 V AC
     Input Voltage Range: 100 V AC to 120 V AC
200 V AC to 240 V AC
     Input Voltage Type: AC
     Number of +12V Rails: 2
     Output Power: 625 W
     Output Voltage: 3.3 V DC @ 22 A
5 V DC @ 22 A
12 V DC @ 24 A
-12 V DC @ 300 mA
5 V DC @ 2.50 A
     MTBF: 100000 Hour
Technical Information  
     Number of Fans: 1
     Protection Type: Over Voltage
Under Voltage
Over Current
Over Power
Over Temperature
Short Circuit
     Limited Warranty: 3 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 RS625-PCARD3-US reviews.
Experience: 14 Days
 Verified Owner
Good price, lots of power, lots of connections
Never bought a coolermaster psu before. Working great so far for 2 weeks. Easy to install. Cable length was great. CAbles nice and easy to route through cable management. Good price for lots of watts. run's a i5 CPU w/ 8GB of ram and a GTX560Ti. No issues.

Experience: 2 Months
 Verified Owner
Very silent
Cheap, but is it really?
Cheap tier 4 PSU barely better than no names
Not modular
I bought this thinking that Cooler Master is a reputable brand and that I was in good hands. And at first I was looking at a simple PSU to support a build without any graphics card in it (only using the GPU in my 4770K) as I didn't plan to play games. This PSU was ok and 625W was more than enough (I needed around 400W maybe)... I can report that I had NO problems with it, hence the 3 stars review...
Then I decided to go back to gaming, got a couple of GTX 660 in SLI, and decided to look into my PSU to see if it could do it. Theoretically, 625W is enough to power my build with two GTX 660. But the Cooler Master is cheaply build, and becomes a bit unstable when pushed over 500W. Do a bit of research and you'll see that this PSU is in tier 4 and not recommended. It works, if you have very basic needs, and use less than 500W. For the price, you could expect more. And it's sad that this unit is sold by a reputable brand... It's no better than cheap no names PSUs...
I ended up buying an EVGA SuperNOVA 750W for 10$ more and it's not even on the same planet. Conclusion: don't buy this, do some research, get yourself a good PSU. For me this review should be a 2 stars. This review was modfied by poster i 10-30-13 02:13 PM

This review was modfied by poster @ 10-30-13 02:46 PM

Experience: 5 Months
 Verified Owner
-Easy to install
-Works well
-Mail in rebate program is terrible
Easy to install and works right out of the box.

Bought it for $49.99 during the Christmas sale and there was a $15 MIR with it. Unfortunately their mail in rebate program is terrible as they require the documents to be mailed on the day of, unlike other manufacturers that give at least a month before the rebate expires.

All in all, product works well.

Experience: 1 Weeks
 Verified Owner
Small and quiet
Provides good power for mild gaming rig
Cables are easily managed even if it isn't modular
None so far
This is a great PSU for a budget build. Low noise and ample power for an i5 mild gaming rig. It is not modular but the cables are easily enough handled so cable management is good. The PSU itself is a nice small, black unit so it looks good in the case if that matters to you. I would recommend it for anyone looking for a PSU for a similar build.

Experience: 1 Months
 Verified Owner
Works great.
Got this because I needed about 280W on one rail to have enough power for my video card that has two 6 pin PCIe power connectors. 280W / 12V = 23.3Amps. This power supply has 24Amps, so I'm good. My old power supply had 18Amps per rail and the video card would often freeze when the video card was very active.
Since buying this power supply, hasn't frozen once.
One thing that is weird is that the PCIe connectors are supposed to supply 75W each. The video card gets 75W through the on board PCIx16 connector and with two PCIe power connector, that makes 225W. But the video card draws up to 280W. The cables are rated for it. Just strange that they build stuff that draws more than the specs. They should have just used 8pin connectors which I do have.
To use this on crossfire, you'd need to ensure that you get cable adapters and ensure it is on another rail. Still wouldn't recommend it for crossfire. Works great for video cards that draw up to 280W. Don't go above that. Otherwise, get a single rail PSU that can handle it.

Experience: 3 Weeks
 Verified Owner
- works well so far
- runs my ssd and 2 hdd's in raid as well as my core i5-3570k oc'd
- None..
Used as a gaming pc, which doesnt stay on 24/7, why i opted out of the + gold or silver standard psu's..

Experience: 12 Days
 Verified Owner
Cheap, decent, 2 pcie power, cable are long enough
not sleeved
Used in a low budget itx built, works like a breeze and does not do that much noise. Would recommand to anyone, and never had problem with cooler master PSU, it's ma 3rd buy.

Experience: 2 Months
 Verified Owner
Effective, works like a charm, no problems, silent
None to mention
It's a good product for 50$. Not for latest gaming Pc's tough.

Experience: 2 Weeks
 Verified Owner
-ample power on the 12V rails
-not overly large, fits in most any standard case
-cables are the right length: not too long, but also not at all short
-no popping or buzzing noises from it
hard to find any
Bought this for my eGPU setup. Needed to ensure that the 12V1/v2 rails have at least 14A each to power the GPU. Fits nicely into a gutted and re-puporsed Shuttle case (contains PSU, GPU, PE4L+SWEX, case fan).

Having extra amperage ensures that should I want to upgrade to a more powerful GPU, or just go SLI, I have enough wattage to maintain a stable system, for overclocking as well.

Only complaint is that because I have repurposed a Shuttle case, the cables are a smidgen too long and are getting bunched up, but that is only because of my frankensteined eGPU configuration.

Can't complain at the price I paid. Solid product, no issues with it.

Experience: 1 Weeks
Compact size for 625w
Nice black color
Long cable lengths
Just enough cables for system build
Cool and quiet
Plenty of power & very stable
Cables are not sleeved
Yes, it's not modular, but there isn't an excessive amount of cables. I have just enough cables for my system, which has 1 SSD, 1 HDD, 1 graphics card, 1 fan controller. So you don't have cables laying around all over the case.

Cable lengths are great, not too long, not too short. I was able to swing the 8-pin mobo cable behind the mobo tray and all the way up and around back onto the mobo. PCI-E cables reached my graphics card without any issues as well.

Compact size, such that it's not insanely large and hogging-up the bottom of the case. Fits well into my mid-sized NZXT Lexa S. The sleek black matte color really blends in as well.

Runs very cool and quiet under load, i.e. 5+ iterations of Intel Burn Test & close to 10 hours of Prime95 & several hours of gaming. Plenty of juice to power-up my 95w FX-6100 and HD 7850. Not a single buzz or crackle, snap, pop.

Was awesomely priced after rebate. I just wish the cables were sleeved. But then, for that price, what more can you ask for?

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Product Warranty
First 30 days limited warranty through The remainder of the one year warranty is provided directly by the manufacturer.

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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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.

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