be quiet! Pure Power 13 M 550W is ATX 3.1 compliant and PCIe 5.1 compatible, 10-year manufacturer's warranty

The be quiet! Pure Power 13 M 550W 80+ Gold Modular Power Supply is designed to deliver reliable and efficient power for modern PC builds. Fully ATX 3.1 compliant and PCIe 5.1 compatible, it provides excellent support for both current and next-generation graphics cards. With modular cabling, semi-passive cooling, and a high efficiency rating, it’s an ideal choice for quiet and powerful systems.

Key Features

• 80 PLUS® Gold efficiency (up to 93.8%).
• ATX 3.1 PSU with full support for PCIe 5.1 GPUs and GPUs with 6+2 pin connectors.
• Exceptionally silent 120mm be quiet! fan with semi-passive operation.
• Advanced stability and voltage regulation thanks to LLC technology.
• One high-performance 12V rail.
• One PCIe 5.1 12V-2x6 (300W) and 2 PCIe 6+2 connectors for modern GPUs.
• 10-year manufacturer’s warranty.

Full Specification

Model

Pure Power 13 M 550W 80+ Gold Modular Power Supply

Output Power

550W continuous, 600W peak

Efficiency

80+ Gold (up to 93.8% efficiency)

Voltage Rails

Single 12V rail, 45.8A output

ATX 3.1

Connectors

• 1 x 24-pin ATX
• 1 x 4+4-pin CPU +12V (EPS)
• 1 x PCIe 5.1 12V-2x6 (300W)
• 2 x PCIe 6+2-pin
• 5 x SATA
• 2 x Molex (PATA)

Fan

120mm be quiet! silence-optimised fan, rifle bearing

Cooling

Semi-passive, temperature-controlled operation

Fan Noise

14.8 dB(A) at 20–50% load

20.8 dB(A) at 100% load

Power Input

100–240V AC, 50/60Hz

Power Output

• +3.3V: 20A
• +5V: 20A
• +12V: 45.8A (550W max combined)
• -12V: 0.3A
• +5Vsb: 3A

Cable Set

Fully modular flat and sleeved cables

Max length: 95cm

Special Features

• Future-proof ATX 3.1 and PCIe 5.1 support
• Semi-passive silent operation
• Robust 12V rail design
• Full suite of safety protections

Warranty

10-year manufacturer’s warranty

Dimensions (L x W x H)

160 x 150 x 86 mm