
ANTEC SF850X 850W 80 PLUS Gold Certified Fully Modular SFX Power Supply
by Antec
£140.99
Power your high-end build with the ANTEC SF850X. This 850W 80 PLUS Gold certified SFX power supply delivers reliable, efficient power for demanding PCs. Fully modular and PCIe 5.1 ready, it's perfect for gamers and system builders seeking compact, high-performance power.
GTIN00761345200264
EAN0761345200264
MPN0-761345-20026-4
Prices updated 17 Mar 2026
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ICPC UK
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£140.99
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Product Description
ANTEC SF850X 850W Power Supply The Antec SF850X 850W power supply is the perfect choice for demanding PC builds requiring high-performance and compact design. Whether you're a gamer pushing the limits of high-end graphics cards or a content creator needing reliable power for intensive workloads, this 80 PLUS Gold certified unit delivers exceptional efficiency, stability, and future-proofing with PCIe 5.1 readiness. Its fully modular design and advanced features make it ideal for enthusiasts seeking clean cable management and optimal system performance. Features 850W 80 PLUS Gold certified efficiency (up to 92% at 50% load) Fully modular design for clean cable management and easy customization SFX 4.1 and ATX 3.1 compliant for broad compatibility PCIe 5.1 ready for next-generation graphics cards High-quality Japanese capacitors for enhanced reliability and longevity Active clamp design and DC-DC module for stable power delivery Zero RPM fan mode for silent operation at low loads Comprehensive CircuitShield protection (OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO) 7-year warranty for peace of mind Sleek all-black design with flat black cables for a clean aesthetic Specifications Model: Antec SF850X 80 PLUS Gold Type: ATX 12V 3.1 (SFX 4.1) Dimensions: 100 x 125 x 63.5 mm (L x W x H) Modular: Fully Modular Warranty: 7 years Input Voltage: 100V-240V Input Current: 12A-6A Input Frequency Range: 50Hz-60Hz PFC: Active PFC Power Good Signal: 100-150ms Protection: OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO Output Capacity: 850W Operating Temperature: 0~40°C Fan: 92 mm Silent Fan Certifications: 80 Plus Gold, cTUVus / TUV / CB / RCM / CE / FCC / BIS / BSMI / KC / UKCA / ICES / CCC Connectors: 1 x 24(20+4)pin MB, 1 x 16(12+4)pin PCIE 5.1 12VHPWR, 2 x 8(4+4)pin CPU, 4 x 8(6+2)pin PCI-E, 6 x SATA, 2 x Molex Unit Box Dimensions: 236 x 184 x 106 mm (L x W x H) Net Weight: 1.785 kg Gross Weight: 2.12 kg
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