Corsair SF850L 850 Watt Fully Modular 80+ Gold SFX PSU/Power Supply

CORSAIR SF-L Series SF850L 80PLUS GOLD Fully Modular Low-Noise SFX Power Supply

Your Small Form X-Factor

CORSAIR SF-L Series Fully Modular SFX Power Supplies with ATX 3.0 and PCIe 5.0 compliance provide the continuous high wattages demanded by the latest PC hardware, all in a space-saving SFX-L form-factor. Micro-fit PSU connectors and fully modular, flexible cables enable a tidy and compact build, even for exceedingly powerful systems. A 120mm rifle bearing PWM fan deploys Zero RPM mode at lower loads for exceptionally quiet performance. Japanese 105°C-rated electrolytic capacitors deliver long life and reliability, backed by a seven-year warranty. Wake your computer faster and consume less power with Modern Standby sleep mode. For high-wattage, 80 PLUS Gold power in a compact profile, the SF-L Series is your small form X-factor.

850W

Wattage

Gold

80 PLUS Efficiency

v3.0

ATX12V Version

SFX-L 

Form Factor

Compact SFX-L Form Factor

Looks Can be Deceiving

Ideal for small form factor (SFF) PCs that don’t skimp on power, or for saving space in a larger build, SF-L Series PSUs pack a huge punch for their size.

On The Cutting-Edge

ATX 3.0 CERTIFIED

The ATX 3.0 standard demands a high level of reliability and power efficiency. While many CORSAIR PSUs meet these requirements, SF-L Series PSUs are formally certified for ATX 3.0 compliance 

PCIe 5.0 12VHPWR GPU cable included for use with modern graphics cards such as the NVIDIA® GeForce RTX™ 40 Series.

Embrace Fully Modular Design

CORSAIR TYPE 5 MICRO-FIT CONNECTORS

Fully modular, CORSAIR Type 5 Gen 1 micro-fit PSU cables, so you only connect the cables your system needs while taking up less space.

Experience Robust Reliable Power Delivery

120mm Fan With ZERO RPM Mode Support

Cooled by a powerful and quiet 120mm rifle bearing fan, with support for Zero RPM mode to ensure your PSU stays virtually silent when not under high load.

105°C-RATED CAPACITORS

Built with 100% Industrial-grade, 105°C-rated Japanese primary electrolytic capacitors for unwavering power and reliability.

80 PLUS GOLD CERTIFIED

Steady power output at up to 90% efficiency, and Cybenetics-certified for lower power consumption, less noise, and cooler temperatures.

40°C Maximum Operating Temperature

Ready For the Heat

Capable of 100% output at temperatures up to 40°C, for reliable power even under high-stress conditions.