Corsair SF Series SF850 850W 80 PLUS Platinum Fully Modular SFX Power Supply / PSU

Corsair SF Series SF850 850W 80 PLUS Platinum Fully Modular SFX Power Supply / PSU overview

SMALL AND MIGHTY

Don't let the size fool you - this SFX power supply packs 80 PLUS Platinum-rated power, perfect for the most power-dense small form-factor PCs.

50°C CONTINUOUS OPERATING TEMPERATURE

Ensures reliable power for your SFF PC, even under high-stress conditions.

105°C-RATED CAPACITORS

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

ATX 3.1 CERTIFIED

The ATX 3.1 standard demands a high level of reliability and power efficiency. While many CORSAIR PSUs meet these requirements, SF Series PSUs are formally certified for ATX 3.1 compliance. PCIe 5.1 12VHPWR GPU cable included for use with modern graphics cards such as the NVIDIA® GeForce RTX™ 40 Series.

QUIET OPERATION WITH ZERO RPM MODE

A fluid dynamic bearing cooling fan keeps noise to a minimum, with Zero RPM mode to eliminate fan noise completely at low to medium loads.

FULLY MODULAR TYPE 5 MICRO-FIT CONNECTORS

Connect only what you need, with flexible cabling to take up less space for tidy cable management in small cases.

WORLD-CLASS SUPPORT

Our award-winning service means you can enjoy your gear worry-free. Corsair HXi series power supplies come with a 7 year warranty.

Power Input	100-240 VAC, 10A-5A, 47Hz-63Hz
Max Output	850W
Power Rail Design	+3.3V / +5V (130W) +12V (850W) +5Vsb (15W)
Power Connectors	1 x 24-Pin ATX Power Connector 2 x 8-Pin (4+4) EPS12V Connectors 1 x 16-Pin (12+4) 12VHPWR Connector 3 x 6+2-Pin PCIe Connectors 8 x SATA Power Connectors 3 x PATA Power Connectors
Efficiency Rating	80 Plus Platinum
iCUE Compatible	No
Dimensions (WxDxH)	125mm x 100mm x 63.5mm
Form Factor	SFX
Cooling Fan	92mm Fluid Dynamic Bearing
Zero RPM Fan Mode	Yes
MTBF	100,000 Hrs
Warranty	7 Years

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Delivery Options

Next Working Day Delivery

Get your order delivered the next working day for £5.99, available when ordering Monday - Thursday and before 17:00 on that day if the product is in stock and your payment has cleared.

Pre 12 Next Working Day Delivery

Get your order delivered the next working day before 12:00pm for £10.98, available when ordering Monday - Thursday and before 17:00 on that day if the product is in stock and your payment has cleared. Some orders if via PayPal and the first customer order may not clear in time.

Weekend Delivery - Saturday & Sunday

If you need your order at the weekend, for £12.58, you can specify the day you wish to have it delivered to you, Saturday or Sunday providing your order has been placed by 17:00 on the Friday before.

Economy Delivery

Economy delivery is available on all orders of any value being shipped within the UK.