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“Be Quiet! 500W be quiet! SFX-L, Full Modular, 80PLUS Gold, Single Rail, 41.7A, 120mm Fan, SFX PSU w/ ATX Bracke” has been added to your basket. View basket
Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply
PCIe 5.1 Ready with 12V 2x6 Connector
80 Plus Bronze Certified
Quiet 120mm Fan

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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

£81.33

  • Wattage: 850W
  • Size/Version: ATX 3.1
  • Modular: Semi
  • SATA Connections: 6
  • Certification: Bronze
  • Colour: Black

179 in stock

SKU: 0-761345-20071-4 Category: Power Supplies Brand: ANTEC
  • Description
  • Additional information

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 main
1 x 16-pin (12+4) PCIe 5.1 (12VHPWR, up to 600 W)
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

Additional information

Weight 4.85 kg
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Newark Computers is a Managed IT Services Provider in Newark-on-Trent. Operating as an extension of your team, we focus on your business, your goals, your challenges, and your people. We offer goal-specific and high-impact IT solutions that will get you the best business results and the best value.

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Newark Computers
14 Oldbridge Way
Newark
Nottinghamshire
NG22 8UY

01636 362361
or 01636 386665
hello@newarkcomputers.co.uk

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