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Corsair SF Platinum CP-9020256-EU

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Corsair SF Platinum CP-9020256-EU
2024SF (for compact PCs)semi-passive cooling80+ Platinum7 year warranty
750 W850 W1000 W
Main
Power850 W
Form factorSFX
Specs
PFCactive
Cooling systemsemi-passive
Fan size92 mm
Fan bearinghydrodynamic
Certification80+ Platinum
ATX12V version3.1
Power connectors
MB/CPU power supply24+8+8(4+4) pin
SATA8
MOLEX4
PCIe 8pin (6+2)3
PCIe 16pin1 pcs
Cable systemmodular
Cable length
MB300 mm
CPU400 mm
SATA445 mm
MOLEX330 mm
PCIe400 mm
Max. power
+3.3V20 А
+5V20 А
+12V170.8 А
+12V850 W
+3.3V +5V130 W
General
Over voltage protection (OVP)
Over power protection (OPP)
Short circuit protection (SCP)
Manufacturer's warranty7 years
Dimensions (HxWxD)63.5x125x100 mm
Weight2.3 kg
Official Websitecorsair.com
Added to E-CatalogJuly 2024
P/N
75-005385

CP-9020256-EU

CP-9020256-UK

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RPS0175

E-Catalog UK editor, PSUs
Valerii Lenko, edited 30.09.2025
The information in the model description is for reference purposes.
Always clarify the specifications and configuration of the product with the online store manager before purchasing.
Catalog Corsair 2026 - new arrivals, bestsellers, and the most relevant models Corsair.
How to choose a power supply for a PCBasics of choosing a reliable and balanced power supply for your home, office and gaming computer

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CORSAIR SF Series 850 Watt Fully Modular 80+ Platinum PCIe 5.1 SFX PSU

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Corsair Corsair SF Series SF850 850W ATX 3.1 PCIe 5.1 80 Plus Platinum Modular SFX Power Supply CP-9020256-UK

"Give your high-performance SFF PC the power it needs with a CORSAIR SF Series 80 PLUS Platinum SFX Power Supply. ATX 3.1 com... morepliant 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." SF Series at a Glance 80 PLUS Platinum rated SFX power ATX 3.1 Compliant & PCIe 5.1 ready Fully modular, Type-5 Micro-Fit PSU connectors 92mm PWM cooling fan 105°C Rated Japanese capacitors Zero RPM Mode SF Series Specification ATX 3.1 Compliant & PCIe 5.1 Ready Yes Continuous Operating Temperature 50°C SFX-to-ATX Bracket Included Warranty Seven-year Zero RPM Mode Yes 80 PLUS Platinum Rating Yes Fully Modular Yes Cooling Fan 92mm PWM Cooling Fan Japanese Capacitors 105°C Rated AC Input 100V a.c. - 240V a.c. Input Current 12A-6A Frequency 47-63Hz Max Output +12V 850W +5Vsb 15W Total Power 850W ATX12V Version 3 EPS12V Version 2.92 Box Contents SF850 Power Supply, DC Cable Kit, SFX-ATX Adapter Bracket, Power Cord, Mounting Screws, Cable Ties Harmonized Tariff Code 8504.40.6018 Product Weight (kg) 1.05 Product Dimensions (mm) 125 x 100 x 63.5 Weight (kg) 4.88 Connector Types ATX Cable (24-PIN): 300mm EPS/ATX12V Cable (8-PIN) (4+4): 400mm
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£131.95
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Corsair SF Series (2024) 850W Fully Modular 80+ Platinum SFX Power Supply CP-9020256-UK

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850W Corsair SF Series SF850 Modular 80 Plus Platinum PSU CP-9020256-UK

Give your high-performance SFF PC the power it needs with a CORSAIR SF Series 80 PLUS Platinum SFX Power Supply, whether you&... morersquo;re building a power-dense small-form-factor PC or just want to save space in an ATX case. This compact power supply delivers efficient Platinum-rated power while adhering to the ATX 3.1 power standard from Intel® for compatibility with the latest hardware. Fully modular with Type-5 Micro-Fit PSU connectors, the SF Platinum Series features flexible cabling for tidy cable management and compatibility in small cases. Cooling is handled by a 92mm PWM cooling fan, delivering powerful airflow with low-noise operation thanks to a fluid dynamic bearing. Combined with Zero RPM Mode support, keeping the fan off until it's needed, the SF Platinum Series is extremely quiet at low and medium loads. 105°C Rated Japanese capacitors ensure reliable and efficient power even under high-stress conditions. For your convenience, an SFX-to-ATX bracket is included for installation into ATX cases for additional cable space in larger systems (ATX cable kit sold separately). Backed by a seven-year warranty and CORSAIR’s award-winning support team, this is a power supply you can trust for years to come. The SF Platinum Series sets the standard for compact, high-wattage, dependable performance, making it the ideal choice for your next SFF PC build.
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Series Corsair SF (for compact PCs)Compare using chart →

Corsair SF Platinum configurations

Price for Corsair SF Platinum
Corsair SF Platinum CP-9020284-EUfrom £99.9911 offers
Corsair SF Platinum CP-9020256-EUfrom £129.9810 offers
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