Be Quiet! Pure Power 11 (BN631)

Home Power Supply Be Quiet! Pure Power 11

Product Specification

Connectivity
Total Connectors
1 x 20+4-Pin ATX Motherboard
1 x 4+4-Pin EPS CPU
4 x 6+2-Pin PCIe
3 x 4-Pin Peripheral / Molex
1 x 4-Pin Floppy
Cable Design : Sleeved
PCIe Connector Distances : 19.7" / 500 mm
SATA Connector Distances
19.7" / 500 mm
13.8" / 350 mm
7.9" / 200 mm
2" / 50 mm
Peripheral Connector Distances
19.7" / 500 mm
13.8" / 350 mm
Floppy Connector Distances : 19.7" / 500 mm
ATX Connector Distance : 21.7" / 550 mm
EPS Connector Distances : 23.6" / 600 mm
Electrical
Total Wattage : 700 W
Number of +12 V Rails : 2
Combined Power for +12 V : 672 W
Max Load for +12 V : 56 A
Combined Power for +3.3/+5 V : 150 W
Max Load for +3.3 V : 25 A
Max Load for +5 V : 20 A
Max Power for +5 Vsb : 15 W
Max Load for +5 Vsb : 3 A
Max Power for -12 V : 3.6 W
Max Load for -12 V : 0.3 A
Peak Power : 750 W
AC Input Power : 120 to 240 VAC, 50 / 60 Hz at 10 to 5 A
General
Efficiency Rating : 80 PLUS Gold
Efficiency : 91 to 92% at 20 to 100% Load
Hold up Time : 25 ms at 100% Load
Cooling
Fan Size : 120 mm
Fan Speed : 1440 rpm
Bearing Type : Rifle
Noise Level : 11.4 to 25.9 dBA
Environmental
Operating Temperature : 104°F / 40°C
Physical
Form Factor : ATX
Compliance : ATX 12 V v2.4, EPS 12 V v2.92
Protection : Over-Current Protection, Over-Power Protection, Over-Temperature Protection, Over-Voltage Protection, Short-Circuit Protection, Under-Voltage Protection
Certifications : BSMI, CB, CCC, CE, ENERGY STAR, ErP Lot 6, FCC, RCM, RoHS, TUV, WEEE, as per Manufacturer
Mean Time Between Failures (MTBF) : 100,000 Hours
Dimensions : 5.91 x 5.91 x 3.39" / 150 x 150 x 86 mm
Weight : 4.63 lb / 2.1 kg
Packaging Info
Package Weight : 5.33 lb
Box Dimensions (LxWxH) : 10.45 x 8.2 x 3.95"

be quiet! Pure Power 11 700W, BN631, 80 Plus Gold, Power Supply

  (399 Total Review)

Product Features

  • 80 PLUS Gold efficiency (up to 92%)
  • Two strong 12V-rails
  • Stable operation thanks to Active Clamp and Synchronous Rectifier (SR) technology
  • DC-to-DC conversion for even tighter voltage regulation under heavy cross-loading conditions
  • Silence-optimized 120mm be quiet! Fan
  • Full suite of top safety features
Amazon
Out of Stock · Last Checked At: Nov 9, 2026
View on Amazon
As an Amazon Associate, PC Builder earns from qualifying purchases. Prices and availability are as of the date shown and may change. Affiliate Disclosure

Product Specification

Connectivity
Total Connectors
1 x 20+4-Pin ATX Motherboard
1 x 4+4-Pin EPS CPU
4 x 6+2-Pin PCIe
3 x 4-Pin Peripheral / Molex
1 x 4-Pin Floppy
Cable Design : Sleeved
PCIe Connector Distances : 19.7" / 500 mm
SATA Connector Distances
19.7" / 500 mm
13.8" / 350 mm
7.9" / 200 mm
2" / 50 mm
Peripheral Connector Distances
19.7" / 500 mm
13.8" / 350 mm
Floppy Connector Distances : 19.7" / 500 mm
ATX Connector Distance : 21.7" / 550 mm
EPS Connector Distances : 23.6" / 600 mm
Electrical
Total Wattage : 700 W
Number of +12 V Rails : 2
Combined Power for +12 V : 672 W
Max Load for +12 V : 56 A
Combined Power for +3.3/+5 V : 150 W
Max Load for +3.3 V : 25 A
Max Load for +5 V : 20 A
Max Power for +5 Vsb : 15 W
Max Load for +5 Vsb : 3 A
Max Power for -12 V : 3.6 W
Max Load for -12 V : 0.3 A
Peak Power : 750 W
AC Input Power : 120 to 240 VAC, 50 / 60 Hz at 10 to 5 A
General
Efficiency Rating : 80 PLUS Gold
Efficiency : 91 to 92% at 20 to 100% Load
Hold up Time : 25 ms at 100% Load
Cooling
Fan Size : 120 mm
Fan Speed : 1440 rpm
Bearing Type : Rifle
Noise Level : 11.4 to 25.9 dBA
Environmental
Operating Temperature : 104°F / 40°C
Physical
Form Factor : ATX
Compliance : ATX 12 V v2.4, EPS 12 V v2.92
Protection : Over-Current Protection, Over-Power Protection, Over-Temperature Protection, Over-Voltage Protection, Short-Circuit Protection, Under-Voltage Protection
Certifications : BSMI, CB, CCC, CE, ENERGY STAR, ErP Lot 6, FCC, RCM, RoHS, TUV, WEEE, as per Manufacturer
Mean Time Between Failures (MTBF) : 100,000 Hours
Dimensions : 5.91 x 5.91 x 3.39" / 150 x 150 x 86 mm
Weight : 4.63 lb / 2.1 kg
Packaging Info
Package Weight : 5.33 lb
Box Dimensions (LxWxH) : 10.45 x 8.2 x 3.95"