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

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

by Antec

£70.18from 4 retailers
GTIN00761345200714
EAN0761345200714
MPN0-761345-20071-4
Prices updated 16 Mar 2026

Compare 4 Retailers

ICPC UK

BEST PRICE
In stock
£70.18
Best Price
In stockStandard delivery in 3 working days
1 deal available
£90.15£75.12

4.94 vs cheapest

Go to store

Amazon

Check availability and price on Amazon.co.uk

Check on Amazon
In stockStandard delivery in 3 working days
3 deals available
£86.39£75.12

4.94 vs cheapest

£75.12 total inc. delivery

Go to store
In stock3-5 working days
2 deals available
£86.39£76.37

6.19 vs cheapest

£76.37 total inc. delivery

Go to store

Deals & Voucher Codes

View all
ITSupplies.uk

electriQ 430L Side by Side American Fridge Freezer

Get Deal
ITSupplies.uk

Free Next Day Delivery on ALL Fridges

Get Deal
ITSupplies.uk

Samsung Galaxy Tablets Now upto 70% Off

Get Deal
GtechPro

Sale on Graphics Card

Get Deal
ComputersDeal

Save over 60% on Computers and Laptops at Computersdeal.com

Get Deal
GtechPro

sale on all memory

Get Deal

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

More products from ICPC UK

Browse their full range on Yorkshire.com