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Antec SF850X 850W PSU – 80+ Gold, Fully Modular, SFX 4.1, ATX 3.1

SKU 0-761345-20026-4
Availability:
13 in stock, ready to be shipped
by ANTEC
Original price £145.99 - Original price £145.99
Original price
£145.99
£145.99 - £145.99
Current price £145.99

Antec SF850X 850W 80 PLUS Gold Fully Modular SFX 4.1 Power Supply

Compact, Efficient & Future-Proof PSU for High-Performance Builds

The Antec SF850X 850W PSU delivers exceptional power, efficiency, and modular flexibility in an SFX 4.1 compact form factor, making it perfect for small form factor (SFF) and high-performance builds. With 80 PLUS Gold certification, it achieves up to 90% efficiency, reducing energy waste and heat. ATX 3.1 and PCIe 5.1 readiness ensure stable power delivery for next-gen GPUs, while the fully modular design enables clean cable management.


Key Features & Benefits

850W Stable Power Output – Ensures consistent and reliable performance for high-end gaming and workstation setups.
80 PLUS Gold Certified – Up to 90% efficiency, minimising power waste and thermal output.
SFX 4.1 Form Factor – Ideal for compact PC builds while maintaining high power capabilities.
ATX 3.1 & PCIe 5.1 Ready – Optimised for next-gen GPUs and high-performance hardware.
Fully Modular Design – Enables cleaner cable management and improved airflow.
High-Quality ComponentsPremium capacitors ensure long-lasting durability and stability.
Comprehensive Safety Protections – OVP, UVP, OPP, SCP, OTP for maximum system security.


Technical Specifications

  • Power Output: 850W
  • Efficiency: 80 PLUS Gold (Up to 90%)
  • Form Factor: SFX 4.1 (ATX Adapter Included)
  • Cooling: Silent High-Performance Fan
  • Modularity: Fully Modular
  • Protections: OVP, UVP, OPP, SCP, OTP
  • Dimensions: Compact SFX 4.1 Size
  • Connectors:
    • 1 x 24 (20+4)-Pin ATX (Motherboard)
    • 1 x 16 (12+4)-Pin PCIe 5.1 12VHPWR (Next-Gen GPUs)
    • 2 x 8 (4+4)-Pin EPS12V (CPU)
    • 4 x 8 (6+2)-Pin PCIe (Graphics Card)
    • 6 x SATA (Storage Devices)
    • 2 x Molex (Legacy Devices)

Why Choose the Antec SF850X?

The Antec SF850X 850W PSU is designed for powerful, compact, and next-gen builds, offering high efficiency, modular flexibility, and silent cooling. With ATX 3.1, PCIe 5.1 support, and a small SFX 4.1 form factor, it’s the perfect power supply for small form factor (SFF) gaming and workstation builds.


Summary

Upgrade your compact gaming or workstation PC with the Antec SF850X 850W 80+ Gold PSU. Featuring SFX 4.1 design, fully modular cables, and next-gen compatibility, it’s an ideal PSU for high-performance and space-saving builds.