be quiet! Straight Power 11 power supply unit 850 W 20+4 pin ATX ATX Black

World Class Quiet and Efficiency

be quiet! Straight Power 11 850W raises the bar for systems that demand virtually inaudible operation without power quality compromises. This PSU is clearly the best choice for super silent systems.

Technical details

• Sustainability certificates: RoHS, ENERGY STAR

Ports & interfaces

• Motherboard power connector: 20+4 pin ATX
• Motherboard power cable length: 60 cm
• Number of SATA power connectors: 11
• Number of PATA power connectors: 4
• SATA power cable length: 550 mm
• PCI Express power connectors (6+2 pin): 4
• PCI Express power cable length: 60 cm
• CPU power connector (4+4 pin): Yes
• CPU power cable length: 70 cm
• Floppy disk drive connector: Yes
• Cabling type: Fully-Modular

Weight & dimensions

• Width: 150 mm
• Depth: 170 mm
• Height: 86 mm
• Weight: 1.8 kg

Power

• Total power: 850 W
• AC input voltage: 100 - 240 V
• Peak power: 920 W
• AC input frequency: 50 - 60 Hz
• Input current: 10 A
• Power factor: 0.99
• Power Factor Correction (PFC) type: Active
• Combined power (+3.3V): 150 W
• Combined power (+12V): 849.6 W
• Combined power (+5V): 150 W
• Combined power (-12V): 6 W
• Combined power (+5Vsb): 15 W
• Max output current (+3.3V): 25 A
• Max output current (+12V1): 21 A
• Max output current (+12V2): 21 A
• Max output current (+12V3): 26 A
• Max output current (+12V4): 26 A
• Max output current (+5V): 25 A
• Max output current (-12V): 0.5 A
• Max output current (+5Vsb): 3 A
• Hold time: 21.1 ms
• Efficiency: 93%
• Power protection features: Over current, Over power, Over voltage, Overheating, Short circuit, Under voltage

Packaging data

• Manual: Yes
• Package width: 248 mm
• Package depth: 328 mm
• Package height: 102 mm
• Package weight: 3.38 kg

Other features

• Screws included: Yes
• Cable ties included: Yes
• Noise level (silent mode, <30%): 9.71 dB
• Noise level (quiet mode, 50%): 10.61 dB
• Noise level (full-load mode, 100%): 24.98 dB
• Cable management: Yes

Design

• Product colour: Black
• Fan diameter: 13.5 cm
• Number of fans: 1 fan(s)
• Illumination: No
• On/off switch: Yes

Performance

• Purpose: PC
• Power supply unit (PSU) form factor: ATX
• 80 PLUS certification: 80 PLUS Gold
• ATX version: 2.4
• EPS version: 2.92
• Silent mode: Yes
• Bearing technology: FDB
• Certification: CE, FCC, TÜV, cTUVus, RCM, BSMI, CU

Logistics data

• Harmonized System (HS) code: 84733020

Condition: new. When shipped to GB or ROI, all our electronic articles come with a BSI-proven power adaptor fitted by our company. For free! (As long the device comes with a power cable.)