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Cooler Master  Cooler Master News Room

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 - Retail

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COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail
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COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail
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OverviewCustomer ReviewSpecificationsProduct Tour
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.

Review Summary (read more reviews)

5
newegg
79%
4
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9%
3
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3%
2
newegg
3%
1
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6%
Product Rating:
Total Reviews: 179

Good PSU

white Reviewed By: Tucker on 8/29/2007
Rating + 5
Tech Level Tech Level: high - Ownership: 1 day to 1 week
This user purchased this item from Newegg
Pros: Cabling is nice and tidy. This thing is a haus for a 650 it runs a Core2quad, EVGA 8800GTX, 2 Raptor Xs, SATA DVDRW, 2x2GB sticks of DDR2, EVGA 680i, and 7(yes 7) 120mm case fans with absolutely no problems under full load. Easy disconnect apparatus on the molex's is really handy.
Cons: Only 1 fan but at least it's big.
Other Thoughts: Paying out the wazoo for 1000+W PSUs is absolutly rediculous unless you actually need all of that power for SLI and 10 15k rpm HDDs or something. Use an online pwr calculator and quit wasting money on a silly trend.
35 out of 37 people found this review helpful. Did you? Yes No

Great Value

white Reviewed By: i_dog_69 on 8/25/2007
Rating + 5
Tech Level Tech Level: high - Ownership: 1 week to 1 month
This user purchased this item from Newegg
Pros: Looks great and is rock solid. the 80% plus efficiancy is nice and makes it preform more like a higher rated PSU. Right now is it powering dual 8800gts's 4 WD 2500ks, and 2 LG DVD super multi drives, no problem.
Cons: None
Other Thoughts: efficiancy is the key when buying power supplies. if you buy a good one you dont need as many watts to power your rig. just keep that in mind as you look at some of the 850+ watt PSU's.
26 out of 27 people found this review helpful. Did you? Yes No

Quick Specs (view all30)

ModelRS-650-ACAA-A1
TypeATX12V / EPS12V
Maximum Power601 - 700W
Fans1
PFCActive

Review Summary (read all 179 Reviews)

5
newegg
79%
4
newegg
9%
3
newegg
3%
2
newegg
3%
1
newegg
6%
Product Rating:
Total Reviews: 179

white Reviewed By: on 4/6/2009
Rating + 1
Tech Level Tech Level: high - Ownership: 1 month to 1 year
This user purchased this item from Newegg
Pros: it started out great, lots of power, no problems
Cons: after about 4 months a few of the rails stopped working randomly, i noticed some of my case fans not working anymore....figured it was just cheap fans. but after about 9 months the whole thing died, and it took the motherboard with it. had to replace both...and my case fans are working again now.
Did you find this review helpful? Yes No

Excellent, proven performance all around in a slightly cheap package

white Reviewed By: Dan B. on 4/2/2009
Rating + 4
Tech Level Tech Level: somewhat high - Ownership: 1 month to 1 year
Pros: Very good efficiency, low heat, low noise and excellent voltage regulation (you know, it like, doesn't send, like, electricity spikes to your parts in your box and fry them) Attractive and solid housing. Good length cables. Excellent performance all around and stands up under full load - Try googling some real power supply reviews of it and see what I mean.
Cons: Overall build quality is average. Cables/connectors are cheap and not modular. Doesn't have a BLU light! :) Costs way more now than I got it for.
Other Thoughts: Check out a real review of this thing from awhile ago on hardocp dot com (The 750w is exactly the same, just rated higher). The thing under FULL load holds up and holds up well.

In late '08 an Axxxc supply (hundred and twenty dollar one not quite a year old) died and I was just going to buy what looked like a good value at the big B&M retail store. I stumbled upon it and happened to get it for seventy bucks with no rebate! Had no idea what I was getting at the time but I figured I was getting a totally average quality PSU for what I paid and how much "good" PSU's are. I am truly surprised to see well into the triple digits online. It's still EASILY worth three figures with it's actual excellent performance.

The problem is that at the hundred twenty price point there are others with better/modular cables and also excellent performance. For seventy, it was a freaking steal for me! :)

If you DO see the Real Power Pro line at a low price, it's definitely a bargain and grab one!
Did you find this review helpful? Yes No

Nice PS

white Reviewed By: on 3/30/2009
Rating + 5
Tech Level Tech Level: high - Ownership: 1 month to 1 year
This user purchased this item from Newegg
Pros: I own 2 of these power supplies, I grabbed them at a far lower price than they currently are. Works great on my Core2 and on my i7 setup. Cables are nicely wrapped in black mesh. Runs my system with HD4870, 4 HDs, and Quadcore Core2 easily. 80plus certified
Cons: Non modular cables
Did you find this review helpful? Yes No
Model
Brand COOLER MASTER
Model RS-650-ACAA-A1
Series Real Power Pro
Spec
Type ATX Form Factor 12V V2.3 / SSI Standard EPS 12V V2.91
Maximum Power 650W
Fans 120 mm fan with intelligent speed controller
PFC Active
Main Connector 24Pin
+12V Rails 3
PCI-Express Connector 2 x 6-Pin
SLI Certified
CrossFire Ready
Power Good Signal 100-500ms
Hold-up Time 17ms min.
Efficiency > 80%
Energy-Efficient 80 PLUS Certified
Over Voltage Protection Yes
Input Voltage 90 - 264 V
Input Frequency Range 47 - 63 Hz
Input Current 10A @ 115V, 5A @ 230V
Approvals Nemko, TUV, cUL, CE, BSMI, FCC, CCC, CCC, C-tick, GOST
Dimensions Standard ATX 150 x 140 x 86 mm
Features
Connectors 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
Features 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
Manufacturer Warranty
Parts 5 years limited

Introduction

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.

Highlights

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.

Photo Gallery

COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail
COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail COOLER MASTER Real Power Pro RS-650-ACAA-A1 650W Power Supply - Retail

Quick Specs

BrandCOOLER MASTER
TypeATX12V / EPS12V
PFCActive
Energy-Efficient80 PLUS Certified
SLICertified
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