be quiet! Pure Power 13 M | 550W power supply unit 20+4 pin ATX ATX Black

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 Form Factor:
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