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Antec CSK850 PRO 850W black semi-modular power supply with vented top, labeled side, and multiple cable ports.

Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read

by Antec

£70.18from 3 retailers
GTIN00761345200714
EAN0761345200714
MPN0-761345-20071-4
Prices updated 7 Jun 2026

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Product 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 2x6 (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 SpecificationsModel: CSK850 PROMPN: 0-761345-20071-4Form Factor: ATX 12V 3.1 semi-modularWattage: 850 W continuousEfficiency: 80 Plus Bronze (up to ~90%)ATX Standard: ATX 3.1PCIe Support: PCIe 5.1 native 12V 2x6 GPU connectorProtection Features (CircuitShield™): OCP. OVP. UVP. SCP. OPP. OTP. SIP. NLOCooling: 120 mm silent fan with thermal manager fan speed controlPFC: Active PFCPower Good Signal: 100–150 msInput Voltage: 200–240 V AC. 12 A max. 50–60 HzDimensions (L x W x H): 140 x 150 x 86 mmNet Weight: Approximately 1.95 kgConnectors: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 MolexOperating Temperature: 0–40 °CCertifications: TUV. CB. RCM. CE. BIS. UKCA. KCWarranty: 5 years

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