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Corsair SF850L SFX Gold Modular 850W Power Supply

CP-9020245-AU | Corsair
In stock
Buy now, pay later!
The Corsair SF850L Power Supply is ideal for small form factor, is ATX 3.0 and 80 PLUS Gold certified, features Corsair Type 5 micro-fit connectors, a 120mm fan with zero RPM mode support, 100% industrial-grade capacitors, and is fully modular.


SF-L Series SF850L Fully Modular Low-Noise SFX Power Supply (AU)

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.

Corsair SF850L Fully Modular Low-Noise SFX Power Supply Feature 1

Your Small Form X-Factor

Corsair SF850L Fully Modular Low-Noise SFX Power Supply Feature 2

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.

Corsair SF850L Fully Modular Low-Noise SFX Power Supply Feature 3

ATX 3.0 Certified

On the Cutting-Edge

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.

Corsair SF850L Fully Modular Low-Noise SFX Power Supply Feature 4

Corsair Type 5 Micro-Fit Connectors

Fully Modular

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.

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.

  • Low Noise
  • Zero RPM Fan Mode

80 Plus Gold Certified

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

105°C-Rated Capacitors

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

Corsair SF850L Fully Modular Low-Noise SFX Power Supply Feature 5

40°C Maximum Operating Temperature

Takes the Heat

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

World-Class Support

Our award-winning service means you can enjoy your gear worry-free.


General Data

Model Number CP-9020245-AU
Weight 1.12
Adjustable Single/Multi 12V Rail No
ATX Connector 1
ATX12V Version v3.0
Continuous Power W 850 Watts
Fan Bearing Technology FDB
Fan Size mm 120 mm
MTBF hours 100,000 hours
Multi-GPU ready Yes
Warranty 7 Year
80 Plus Efficiency Gold
PSU Form Factor SFX-L
Zero RPM Mode Yes
Cable Type Type 5
EPS12V Connector 3
EPS12V Version 2.92
Floppy Connector 0
Modular Yes
PCIe Connector 3
SATA Connector 12
Package Contents SF-L Series High-Performance SFX-L Power Supply
AC Power cord
DC Modular Cable Set
Cable Ties

AC Input Rating

AC Input 100 - 240 V
Input Current 10 A - 5 A
Frequency 47 ~ 63 Hz

Load Range

  Max Load Max Output
+3.3 V 20 A 150 W
+5 V 20 A 150 W
+12 V 70.8 A 850 W
+5 VSB 3 A 15 W
Total Power 850 W 850 W
Backed by a 7-year Corsair warranty.

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