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be quiet! · 650 W · ATX

be quiet! Pure Power 12 M 650W

ATX 3.0 · 80 PLUS Gold · Modular

Capability
74
Cap / price
19
Wattage value
13
Amazon
$390
$390
Available on Amazon Updated Aug 30, 2026
Capability73.5
Capability / price18.9
Wattage value13.3
$390 on Amazon PSU table Compare this PSU

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Written analysis

be quiet! Pure Power 12 M 650W at a glance

The be quiet! Pure Power 12 M 650W is a 650 W ATX power supply built to the ATX 3.0 generation. Efficiency is listed as 80 PLUS Gold. Cables are modular.

The calculated capability score is 73.5, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 60 A.

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

Platform and cooling

Dimensions are listed as 160 x 150 x 86. Cooling fan size is 120 mm. The unit uses 2 +12V rails at up to 32.00 A per rail. Certifications include 80 PLUS Gold.

Current value

At $390, price per kilowatt is $599.91. Capability / price is 18.9 and wattage value is 13.3. 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
be quiet!
PSU
be quiet! Pure Power 12 M 650W
Launch price
Amazon price
$390
Amazon availability
Available
Price updated
Aug 30, 2026

Power & efficiency

Wattage
650 W
Efficiency
80 PLUS Gold
Recorded efficiency
92%
Warranty
10 years

Value

Amazon price
$390
Price / kW
$599.91
Capability
73.5
Capability / price
18.9
Wattage value
13.3

Platform & size

ATX generation
3.0
Form factor
ATX
Dimensions
160 x 150 x 86
Modular
Yes
Fanless
No

Electrical

Input voltage
100-240
+12V output
60 A
+5V output
20 A
+3.3V output
20 A
+12V rails
2
Max amps / rail
32.00 A

Cooling & build

Fan size
120 mm
Fan stop
No
Certifications
80 PLUS Gold

Additional information

Also listed as
Pure Power 12 M 650W
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.

Pure Power 12 M 650W is certified 80 PLUS Gold with an outstanding efficiency rating of up to 92.7%. The most compelling benefit: lower power consumption, consequently lower costs, and above all a cooler as well as quieter operation. Pure Power 12 M 650W is always the correct choice for quiet systems and gaming PCs!

Pure Power 12 M 650W is an ATX 3.0 PSU and comes with both native integration of the 12VHPWR connector for next-generation PCIe 5.0 graphics cards, and PCIe 6+2-pin connectors for support of current-gen GPUs. This makes the PSU extremely versatile and the perfect choice for powerful systems of today and the ones to come.

Pure Power 12 M offers 650W of continuous power with 2 independent 12V rails. Even if the graphics card demands excessive power for a short time: Pure Power 12 M 650W handles power excursions up to double its rated power with ease. This ensures reliable operation with the next generation of processors and graphics cards.

The exceptionally silent 120mm be quiet! fan is temperature-controlled to strike the best balance between effective cooling and quietness. Airflow-optimized fan blades reduce turbulence, enabling best-in-class quiet functionality.

With its LLC topology Pure Power 12 M 650W provides a best-in-class voltage regulation and efficiency. That makes it perfect for building very quiet systems or upgrading gaming and media creation PCs.