be quiet! Pure Power 13 M 1200W PSU, 80 PLUS Gold, Quiet 120mm Fan, ATX 3.1, 10 Year Warranty

be quiet! Pure Power 13 M 1200W | Ultra-Quiet, High-Performance PSU

The be quiet! Pure Power 13 M 1200W PSU delivers exceptional quiet operation with semi-passive cooling and outstanding compatibility for high-end gaming and workstation systems. Designed for users demanding reliability and whisper-quiet performance, this ATX 3.1 compliant unit handles the most demanding graphics cards with ease.

Specification Overview

Ultra-Quiet Performance with Semi-Passive Cooling

The Pure Power 13 M 1200W features a 120mm be quiet! Silence-optimised fan with semi-passive operation, remaining virtually silent under typical loads. The fan only spins up when necessary, reducing noise pollution while maintaining excellent thermal performance. With a Cybenetics Lambda A rating, this PSU operates at just 9.8 dB(A) at low loads and stays below 32.3 dB(A) even at full capacity.

Next-Generation GPU Compatibility

Built to support the latest graphics technology, this PSU offers full PCIe 5.1 compliance and includes both a PCIe 5.1 12V-2×6 cable and four PCIe 6+2 connectors. The single 12V rail delivers 1200W of clean, stable power to handle current and next-generation GPUs, including models with 6+2 pin connectors. This makes it ideal for users with high-end graphics cards requiring substantial power delivery.

Exceptional Efficiency and Stability

Achieving up to 93.5% efficiency under typical loads, the 80 PLUS Gold certification ensures reduced energy waste and lower operating costs. The LLC + SR + DC/DC topology provides advanced voltage regulation and stability, while the single massive 12V rail delivers consistent power delivery. With over 100,000 hours of average lifetime and comprehensive protection features including OTP, OCP, OPP, and SCP, this PSU offers peerless dependability.

In the Box

• be quiet! Pure Power 13 M 1200W PSU
• Screws
• Cable ties
• User manual (multiple languages)

Things to check first

• Confirm your case has adequate space for ATX 3.1 dimensions (160 x 150 x 86mm)
• Verify your graphics card connector requirements match the included cables
• Check your system’s total power consumption against the 1200W capacity
• Confirm the UK plug type if ordering internationally

Frequently Asked Questions

Why we rate it

The be quiet! Pure Power 13 M 1200W represents an excellent choice for enthusiasts and professionals building high-performance systems who prioritise quiet operation without compromising on power delivery or reliability. With its comprehensive GPU compatibility, exceptional efficiency, and industry-leading 10-year warranty, this PSU offers outstanding value for demanding users. Covered by the applicable manufacturer warranty.