Corsair SF Series SF850 SFX 80 Plus Platinum fully modular power supply ATX 3.1

-4%
247,00 €
237,00 €
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The compact and powerful CORSAIR SF Series SF850 delivers 80 PLUS Platinum efficiency, ATX 3.1 standard with PCIe 5.1 support, and a fully modular Micro-Fit Type 5 cable set. A quiet 92 mm PWM fan with Zero RPM mode and 105 °C Japanese capacitors ensure reliability even in demanding SFF builds.
80 PLUS Platinum efficiency in a small SFX form factor

80 PLUS Platinum efficiency in a small SFX form factor

Maximum efficiency and reduced heat loss for quiet, power-saving operation even in compact PCs.

ATX 3.1 and PCIe 5.1 12VHPWR ready

ATX 3.1 and PCIe 5.1 12VHPWR ready

Full compatibility with modern GPUs—including NVIDIA GeForce RTX 40—thanks to the included 12VHPWR cable.

Fully modular Micro-Fit Type 5 cabling

Fully modular Micro-Fit Type 5 cabling

Connect only what you need. Clean airflow and easy cable management in SFF cases.

Looking for a top-tier power supply for small cases that can handle high-performance components? The CORSAIR SF Series SF850 SFX offers 850 W of stable power with 80 PLUS Platinum efficiency, keeping power draw and temperatures in check while minimizing noise.

Thanks to ATX 3.1 certification and the included PCIe 5.1 12VHPWR cable, it’s ready for modern graphics cards including NVIDIA GeForce RTX 40. The fully modular Micro-Fit Type 5 cabling simplifies routing in tight spaces and improves airflow. The 92 mm PWM fan with Zero RPM mode runs virtually silently at low to medium loads.

For long service life and stability, it uses industrial-grade 105 °C Japanese capacitors, and the unit is rated for continuous operation at 50 °C. An ideal choice for demanding SFF builds where performance, efficiency, and silence matter.

Specifications

Form factor
SFX
Rated power
850 W
Efficiency
80 PLUS Platinum
Standard
ATX 3.1
GPU support
PCIe 5.1, 12VHPWR cable (included)
Cabling
Fully modular, Micro-Fit Type 5
Fan
92 mm PWM, Zero RPM mode
Operating temperature
Continuous operation up to 50 °C
Capacitors
Japanese electrolytic, 105 °C
Recommended use
Small Form Factor (SFF) builds
Brand
CORSAIR SF Series
-4%
247,00 €
237,00 €