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be quiet! · 1000 W · ATX

be quiet! Pure Power 12 M 1000W

ATX 3.1 · 80 PLUS Gold · Modular

Capability
81
Cap / price
81
Wattage value
80
Amazon
$100
be quiet! Pure Power 12 M 1000W
View be quiet! Pure Power 12 M 1000W Gallery in high resolution
$100
Available on Amazon Updated Aug 30, 2026
Capability80.6
Capability / price80.6
Wattage value80.0
$100 on Amazon PSU table Compare this PSU

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Written analysis

be quiet! Pure Power 12 M 1000W at a glance

The be quiet! Pure Power 12 M 1000W is a 1000 W ATX power supply built to the ATX 3.1 generation. Efficiency is listed as 80 PLUS Gold. Cables are modular.

The calculated capability score is 80.6, averaging the available wattage, recorded efficiency percentage, and warranty inputs against fixed references. Listed warranty is 10 years. +12V output is 88 A.

Best fit: Systems whose component power budget calls for a supply rated at 1000 W or more.

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 42.00 A per rail. Certifications include 80 PLUS Gold.

Current value

At $100, price per kilowatt is $99.99. Capability / price is 80.6 and wattage value is 80.0. 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 1000W
Launch price
—
Amazon price
$100
Amazon availability
Available
Price updated
Aug 30, 2026

Power & efficiency

Wattage
1000 W
Efficiency
80 PLUS Gold
Recorded efficiency
92%
Warranty
10 years

Value

Amazon price
$100
Price / kW
$99.99
Capability
80.6
Capability / price
80.6
Wattage value
80.0

Platform & size

ATX generation
3.1
Form factor
ATX
Dimensions
160 x 150 x 86
Modular
Yes
Fanless
No

Electrical

Input voltage
100-240
+12V output
88 A
+5V output
22 A
+3.3V output
22 A
+12V rails
2
Max amps / rail
42.00 A

Cooling & build

Fan size
120 mm
Fan stop
No
Certifications
80 PLUS Gold

Additional information

Also listed as
Pure Power 12 M 1000W

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.

Exceptionally Efficient & Cost-Saving - 80 Plus Gold certified 1000 Watt power supply with up to 93.0% efficiency, reducing energy waste and operating costs. Generates less heat, prolonging component lifespan and ensuring cooler operation for high-performance PCs.

Future-Proof with ATX 3.1 & PCIe 5.1 Support - 1000W PSU Gold designed for next-gen GPUs and gaming systems, featuring PCIe 5.1 12V-2x6 600W connector and 4x PCIe 6+2 connectors. Ensures seamless compatibility with current and upcoming graphics cards.

Unmatched Power Stability & Reliability - Provides 1000W continuous power with dual 12V rails for exceptional stability. Handles transient power spikes up to 2000W, delivering uninterrupted performance for demanding gaming and workstation setups.

Ultra-Quiet Operation with 120mm be quiet! Fan - This computer power supply 1000W is silence-optimized cooling with temperature-controlled speed adjustments and airflow-optimized blades, ensuring near-silent performance even under heavy loads. Ideal for noise-conscious users.

Fully Modular Cables for a Clean Build - Enjoy easy cable management and improved airfloW with fully modular cabling. Removes clutter, enhances cooling efficiency, and simplifies installation for clean and professional PC builds.

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