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Black Corsair SF850 power supply unit, 850 W, 24-pin ATX, with ventilation grill and Corsair logo.

Corsair SF850 850W Power Supply Unit - Black

by Corsair

£136.26from 5 retailers

The Corsair SF850 is an 850W power supply unit designed for compact SFF PCs, featuring 80 PLUS Platinum efficiency and a fully modular setup.

GTIN00840006663331
EAN0840006663331
MPNCP-9020256-UK
Prices updated 21 Jul 2026

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Product Description

850 W 100 - 240 V 47 - 63 Hz. Motherboard power connector: 24-pin ATX. PC ATX 80 PLUS Platinum. Active 9.2 cm. Black. Outfit your next SFF PC with a CORSAIR SF Series 80 PLUS Platinum SFX Power Supply for compact, ATX 3.1 compliant, fully modular Platinum power.. Power. Power protection features. Over current, Over power, Over voltage, Overheating, Short circuit. Max output current (+5Vsb). 3 A. Max output current (+5V). 20 A. Max output current (+12V). 70.8 A. Max output current (+3.3V). 20 A. Combined power (+5Vsb). 15 W. Combined power (+5V). 130 W. Combined power (+12V). 850 W. Combined power (+3.3V). 130 W. Input current. 5 - 10 A. AC input frequency. 47 - 63 Hz. AC input voltage. 100 - 240 V. Total power. 850 W. Ports & interfaces. Cabling type. Fully-Modular. ATX power connector (12+4 pin). Yes. PCI Express power cable length. 75 cm. PCI Express power connectors (6+2 pin). 3. EPS power connector (4+4 pin). Yes. SATA power cable length. 455 mm. Number of PATA power connectors. 1. Number of SATA power connectors. 3. Motherboard power cable length. 30 cm. Motherboard power connector. 24-pin ATX. Performance. Mean time between failures (MTBF). 100000 h. Bearing technology. FDB. Silent mode. Yes. ATX version. 3.1. 80 PLUS certification. 80 PLUS Platinum. Power supply unit (PSU) form factor. ATX. Purpose. PC. Design. On/off switch. Yes. Fan location. Top. Number of fans. 1 fan(s). Fan diameter. 9.2 cm. Cooling type. Active. Product colour. Black. Packaging content. Cables included. AC. Weight & dimensions. Weight. 2.3 kg. Height. 63.5 mm. Depth. 100 mm. Width. 125 mm. Packaging data. Package type. Box

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