be quiet! Pure Power 13 M 1200W ATX 3.1 Power Supply – 80 PLUS Gold, Ultra-Quiet Operation

The be quiet! Pure Power 13 M 1200W is engineered to deliver exceptional reliability, efficiency, and ultra-quiet performance for modern gaming and workstation systems. Designed with ATX 3.1 compliance and PCIe 5.1 support, this power supply is fully prepared for the latest high-performance graphics cards and next-generation PC hardware.

Featuring 80 PLUS Gold efficiency of up to 93.5%, the Pure Power 13 M ensures efficient energy usage, reduced heat generation, and lower system power consumption. Its semi-passive cooling design with a precision-engineered 120mm fan ensures whisper-quiet operation during light loads while providing effective cooling under demanding workloads.

With fully modular cabling, advanced LLC topology, and a powerful single 12V rail, this PSU offers exceptional voltage stability and system compatibility. Backed by a 10-year manufacturer warranty, it delivers dependable long-term performance for high-end PC builds.

Key Features & Benefits

✔ 1200W High-Performance Power Delivery
Designed for demanding gaming PCs and professional workstations, delivering stable and reliable power for high-end components.

✔ ATX 3.1 & PCIe 5.1 Ready
Fully compatible with modern GPUs and next-generation hardware, including 12V-2x6 600W connectors for powerful graphics cards.

✔ 80 PLUS Gold Efficiency (Up to 93.5%)
High efficiency reduces power consumption, minimises heat output, and improves overall system stability.

✔ Exceptionally Quiet Operation
Silence-optimised 120mm be quiet! fan with semi-passive operation keeps noise levels extremely low during everyday workloads.

✔ Advanced LLC + SR + DC/DC Topology
Ensures excellent voltage regulation, improved efficiency, and enhanced system stability.

✔ Powerful Single 12V Rail Design
Delivers consistent power output for high-performance CPUs and GPUs.

✔ Fully Modular Cable Design
Improves airflow and simplifies cable management, making PC building cleaner and easier.

✔ Built for High-End GPUs
Includes 1× PCIe 5.1 12V-2x6 connector and 4× PCIe 6+2 connectors for maximum graphics card compatibility.

✔ Comprehensive Protection Systems
Integrated protection against overcurrent, overvoltage, overheating, short circuits, and power surges.

✔ Long-Term Reliability
Backed by a 10-year manufacturer warranty, ensuring dependable operation for years to come.

Technical Specifications

General

• Model: Pure Power 13 M

• Continuous Power: 1200W

• Peak Power: 1250W

• Form Factor: ATX 3.1

• EPS Version: 2.92

• Topology: LLC + SR + DC/DC

• Voltage Input: 100–240V

• Frequency: 50–60Hz

• Input Current: 15 / 7.5A

• Power Factor (Full Load): >0.97

• Modern Standby Support: Yes

• Average Lifetime: >100,000 hours

• Operating Temperature: Up to 40°C

Efficiency

• Certification: 80 PLUS Gold

• Cybenetics Rating: ETA Gold

• Efficiency (230V):

  • 10% Load: 91.2%

  • 20% Load: 93.4%

  • 50% Load: 93.6%

  • 100% Load: 90.8%

Cooling

• Fan Size: 120mm

• Fan Type: Silence-optimised be quiet! fan

• Bearing: Rifle bearing

• Max Fan Speed: 2700 RPM

• Noise Level:

  • 10% Load: 9.8 dB(A)

  • 50% Load: 11.6 dB(A)

  • 100% Load: 32.3 dB(A)

Power Output

• Single 12V Rail: Yes

• +3.3V: 22A

• +5V: 22A

• +12V: 100A

• Max Combined 12V Power: 1200W

• Max Combined 3.3V + 5V: 120W

• Hold-up Time (100% Load): 19.11 ms

Connectivity

• 1 × 20+4 Pin ATX Motherboard

• 1 × P4+4 CPU

• 1 × P8 CPU

• 1 × PCIe 5.1 12V-2x6 (600W)

• 4 × PCIe 6+2 GPU

• 6 × SATA

• 2 × PATA

Protection Features

• Over Temperature Protection (OTP)

• Over Current Protection (OCP)

• Over Power Protection (OPP)

• Short Circuit Protection (SCP)

• Over Voltage Protection (OVP)

• Under Voltage Protection (UVP)

• Surge & Inrush Protection (SIP)

Physical Specifications

• Dimensions: 160 × 150 × 86 mm

• Weight: 2.69 kg

• Colour: Black

Warranty

• Manufacturer Warranty: 10 Years

Why Choose the be quiet! Pure Power 13 M 1200W PSU?

The Pure Power 13 M 1200W combines industry-leading quiet operation, high efficiency, and next-generation compatibility in a reliable power supply designed for modern PC systems. Its ATX 3.1 compliance, PCIe 5.1 GPU support, and powerful single-rail design ensure it can handle demanding graphics cards and processors with ease.

Whether you're building a high-end gaming rig, professional workstation, or future-ready PC, this PSU provides the stability, efficiency, and silent operation required for a premium computing experience. With fully modular cables and a 10-year warranty, it is a dependable long-term investment for any advanced PC build.