Description
The Antec CSK850 PRO is an 850W semi-modular power supply designed to meet the demands of modern gaming and high-performance computing systems. Compliant with the ATX 3.1 standard and PCIe 5.1 ready, it supports the latest graphics cards through its native 12V 2×6 (12VHPWR) connector. With 80 Plus Bronze certification, it delivers up to 90% efficiency, ensuring a cooler and quieter system. The power supply features a full suite of industrial-grade protections under Antec’s CircuitShield™ technology, providing safety and reliability. Its compact design, quiet 120mm fan with intelligent thermal control, and semi-modular cables make installation easy and improve system airflow. Backed by a 5-year warranty, the CSK850 PRO is a future-proof choice for demanding PC builds.
Full Specifications
Model:
CSK850 PRO
MPN:
0-761345-20075-2
Form Factor:
ATX 12V 3.1 semi-modular
Wattage:
850W continuous
Efficiency:
80 Plus Bronze (up to ~90%)
ATX Standard:
ATX 3.1
PCIe Support:
PCIe 5.1 native 12V 2×6 GPU connector
Protection Features (CircuitShield™):
OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
Cooling:
120mm silent fan with thermal manager fan speed control
PFC:
Active PFC
Power Good Signal:
100–150ms
Input Voltage:
200–240V AC, 12A max, 50–60Hz
Dimensions (L x W x H):
140 x 150 x 86 mm
Net Weight:
Approximately 1.95 kg
Connectors:
1 x 24-pin ATX main
1 x 16-pin (12+4) PCIe 5.1 (12VHPWR, up to 600W)
2 x 8-pin (4+4) CPU EPS
4 x 8-pin (6+2) PCIe
6 x SATA
3 x Molex
Operating Temperature:
0–40°C
Certifications:
TUV, CB, RCM, CE, BIS, UKCA, KC
Warranty:
5 years
