Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply, PCIe 5.1 Ready with 12V 2×6 Connector, 80 Plus Bronze Certified, Quiet 120mm Fan, 5-Year Warranty

Description The Antec CSK850 PRO is an 850 W semi-modular power supply designed for modern gaming and high-performance PCs. 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. Featuring 80 Plus Bronze efficiency and advanced CircuitShield™ protection, this PSU ensures reliable, efficient, and safe power delivery. Its compact design, quiet 120 mm fan with intelligent thermal control, and semi-modular cables make installation easy and improve system airflow. Backed by a 5-year warranty, it is a future-proof choice for demanding PC builds. Full Specifications Model: CSK850 PRO MPN: 0-761345-20071-4 Form Factor: ATX 12V 3.1 semi-modular Wattage: 850 W 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: 120 mm silent fan with thermal manager fan speed control PFC: Active PFC Power Good Signal: 100–150 ms Input Voltage: 200–240 V AC, 12 A max, 50–60 Hz Dimensions (L x W x H): 140 x 150 x 86 mm Net Weight: Approximately 1.95 kg Connectors:1 x 24-pin ATX main1 x 16-pin (12 4) PCIe 5.1 (12VHPWR, up to 600 W)2 x 8-pin (4 4) CPU EPS4 x 8-pin (6 2) PCIe6 x SATA3 x Molex Operating Temperature: 0–40 °C Certifications: TUV, CB, RCM, CE, BIS, UKCA, KC Warranty: 5 years