be quiet!

be quiet! Pure Power 13 M 850W BP027EU - ATX 3.1 80+ Gold Fully Modular (Boxed)

SKU 6309 Brand be quiet! EAN13 4260052192191
850W ATX 3.1 / PCIe 5.1 PSU. Fully modular, 80 PLUS Gold (~94%). Semi-passive 120mm fan, 1x 12VHPWR + 4x 6+2 PCIe. Peak 900W. Silent operation, 10yr warranty.
PSU (Power Supplies) - Wattage 800 - 899 W
PSU (Power Supplies) - Efficiency Rating 80 Plus Gold
PSU (Power Supplies) - Color Black
PSU (Power Supplies) - Modularity Fully modular
PSU (Power Supplies) - PCIe GPU Connectors 1x 12VHPWR 16-pin 4x 8/6 pins
PSU (Power Supplies) - Length 141-160 mm
PSU (Power Supplies) - EPS CPU Connectors 1x 4+4pin EPS/ATX12V

Outstanding silence meets ATX 3.1 reliability

The be quiet! Pure Power 13 M 850W (BP027EU) delivers 850W continuous power with peak up to 900W, fully compliant with ATX 3.1 standards and PCIe 5.1 ready. Featuring a native 12VHPWR (16-pin) connector for next-gen GPUs plus 4x 6+2 pin PCIe cables, it ensures compatibility with current and future graphics cards. This fully modular PSU uses premium Japanese capacitors and LLC topology for rock-solid voltage regulation and efficiency up to 94.4%.

Semi-passive cooling with a 120mm rifle bearing fan provides zero-RPM mode under light loads for whisper-quiet operation. Even at full load, noise stays below 32 dB(A). A single powerful +12V rail handles massive GPU transients effortlessly. Comprehensive protections include OCP, OVP, OPP, SCP, and more.

  • ✅ 80 PLUS Gold certified (Cybenetics Platinum efficiency)
  • ✅ Fully modular black cables for clean builds
  • ✅ 1x 12VHPWR + 4x PCIe 6+2 pin connectors
  • ✅ 1x EPS 4+4 pin CPU power
  • ✅ 10-year manufacturer warranty
  • ✅ Semi-fanless design for silence
Total power850 W
Peak power900 W
AC input voltage100 - 240 V
AC input frequency50/60 Hz
80 PLUS certification80 PLUS Gold (up to 94.4%)
ATX version3.1
Cabling typeFully-Modular
PCI Express power connectors (12-pin)1 (PCIe 5.1 12VHPWR)
PCI Express power connectors (6+2 pin)4
EPS power connector (8-pin)Yes (4+4 pin)
Fan diameter12 cm
Bearing technologyRifle
Cooling typeSemi-passive (Zero RPM)
Noise level<32 dB(A)
Efficiency92.8% (up to 94.4%)
Warranty10 years
Width150 mm
Depth160 mm
Height86 mm
Weight2.62 kg
Power protection featuresOver current, Over power, Over voltage, Overheating, Short circuit, Surge & inrush protection (SIP), Under voltage
Mean time between failures (MTBF)100000 h