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Corsair · 650 W · ATX

CORSAIR CX650M

ATX 2.3 · 80 PLUS Gold · Modular

Capability
58
Cap / price
78
Wattage value
69
Amazon
$75
CORSAIR CX650M
View CORSAIR CX650M Gallery in high resolution
$75
Not currently available Updated Aug 21, 2026 Prime FBA
Capability58.2
Capability / price77.6
Wattage value69.3
$75 on Amazon PSU table Compare this PSU

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Written analysis

CORSAIR CX650M at a glance

The CORSAIR CX650M is a 650 W ATX power supply built to the ATX 2.3 generation. Efficiency is listed as 80 PLUS Gold. Cables are modular.

The calculated capability score is 58.2, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 5 years. +12V output is 52 A.

Best fit: Mainstream gaming and productivity builds where efficiency and cable management matter.

Platform and cooling

Dimensions are listed as 4.92 x 5.91 x 3.39 inches. Cooling fan size is 120 mm. The unit uses 1 +12V rail at up to 52.00 A per rail. Certifications include 80 PLUS Gold.

Current value

At $75, price per kilowatt is $115.37. Capability / price is 77.6 and wattage value is 69.3. Compare nearby supplies below; wattage alone does not determine value.

Unit data

Full specifications

Wattage, efficiency, platform size, electrical outputs, connectors, cooling, and value in one technical sheet.

General

Manufacturer
Corsair
PSU
CORSAIR CX650M
Launch price
—
Amazon price
$75
Amazon availability
Not currently available
Price updated
Aug 21, 2026

Power & efficiency

Wattage
650 W
Efficiency
80 PLUS Gold
Recorded efficiency
88%
Warranty
5 years

Value

Amazon price
$75
Price / kW
$115.37
Capability
58.2
Capability / price
77.6
Wattage value
69.3

Platform & size

ATX generation
2.3
Form factor
ATX
Dimensions
4.92 x 5.91 x 3.39 inches
Modular
Yes
Fanless
No

Electrical

Input voltage
100-240
+12V output
52 A
+5V output
20 A
+3.3V output
24 A
+12V rails
1
Max amps / rail
52.00 A

Cooling & build

Fan size
120 mm
Fan stop
No
Certifications
80 PLUS Gold

Additional information

Also listed as
CX650M,
Color
Black

Amazon

Price history

Nearby capability

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Vendor copy

Amazon listing details

Marketplace feature text kept for reference. Structured specifications above are the source for scores and comparisons.

Low-noise operation lets you focus more on the task at hand, whether it’s gaming or work. A rifle bearing fan ensures longer life than conventional bearings with less noise.

Semi-modular cabling with Dual EPS12V connectors lets you connect only the cables you need for a clean build with easy cable management.

Japanese capacitors deliver consistent and reliable power, rated up to 105 degree C.

80 PLUS Bronze certification guarantees more efficient power use and lower operating temperatures.

Robust DC-DC conversion for plus3.3V and plus5V provides clean, consistent power to all components and peripherals.

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