CORSAIR SF Series SF850 80 PLUS Platinum Cybenetics Platinum SFX Power Supply

Give your high-performance SFF PC the power it needs with a CORSAIR SF Series 80 PLUS Platinum SFX Power Supply. ATX 3.1 compliant and PCIe 5.1 ready, the SF Platinum Series delivers high-wattage 80 PLUS Platinum-certified power in a compact form-factor with a fully modular design. A 92mm PWM cooling fan ensures quiet operation, with Zero RPM Mode support for no fan noise at all at low loads. Built exclusively with 105°C rated Japanese capacitors, the SF Platinum Series easily handles high-stress gaming and computing. Includes an SFX-to-ATX bracket for installation in larger cases and a seven-year warranty for total confidence.

80 PLUS Platinum Rated SFX Power: Massive Platinum-rated power in a compact SFX form-factor, perfect for the most power-dense small-form-factor PCs or saving space in larger cases.
ATX 3.1 Compliant & PCIe 5.1 Ready: Compliant with the ATX 3.1 power standard from Intel®, supporting the PCIe Gen 5 platform and resisting transient power spikes.
Fully Modular, Type-5 Micro-Fit PSU Connectors: With flexible cabling, taking up less space for tidy cable management and compatibility in small cases.
92mm PWM Cooling Fan: Delivers powerful cooling with low-noise operation thanks to a fluid dynamic bearing.
105°C Rated Japanese Capacitors: For unwavering power and reliability.
Zero RPM Mode: The fan stays off until it’s needed, for near-silent operation at low and medium loads.
50°C Continuous Operating Temperature: For reliable power even under high-stress conditions.
SFX-to-ATX Bracket Included: Enables installation into ATX cases for more cable space in larger systems.
Seven-Year Warranty: For complete peace of mind.

Form Factor	SFX
Edition	Corsair SF Series (2024) SF850, 80 PLUS Platinum, Fully Modular Power Supply
Wattage	850 W
80 PLUS Certification	80 PLUS Platinum
Max. Efficiency (at 230Vac)
Cooling	Fan
Fans	1 x 92mm
Internal +12V Rails	Single Rail
Rail 1 +12V	70.8 A
Rail 2 +12V	N/A
Rail 3 +12V	N/A
Rail 4 +12V	N/A
Rail 5 +12V	N/A
Rail 6 +12V	N/A
Max. Combined Output +12V	N/A
Modular	Yes
Modularity	Full Modular
SLI/CrossFire	No
EPS 12V	Yes
Motherboard Connector	24-pin
Connectors	1 x 12+4-pin PCIe 2 x 4+4-pin CPU +12V (EPS) 3 x 6+2-pin PCIe 3 x SATA
Dimensions	125 x 63.5 x 100 (WxHxD)
Package Type	Retail
Warranty	7 Year

850W Corsair SF850 2024 ATX 3.1 Platinum Modular SFX PSU

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