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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, 5-Year Warranty
ANTEC Manufacturer Ref: 0-761345-20071-4 In Stock Best Price

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, 5-Year Warranty

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, 5-Year Warranty

£89.49 Public Price
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Best Available Offer £89.49
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Brand ANTEC
Category Power Supplies
Availability In Stock
Manufacturer Code 0-761345-20071-4
EAN 0761345200714
Product 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 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 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 2x6 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

Key Features

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

Supplier Category: Power Supplies

Manufacturer Code: 0-761345-20071-4

EAN: 0761345200714

Weight (KG): 4.85

VAT Rate: 20%

Complete The Setup

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Many business purchases need supporting hardware, setup or deployment planning. Add this product to your RFQ, then browse related areas to include accessories, networking, displays, storage or security hardware in the same request.

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Product Procurement FAQ

Questions about 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, 5-Year Warranty

Can DCS confirm suitability before I buy?

Yes. Add the product to your RFQ basket and DCS can review suitability, compatibility, stock, pricing and any project requirements before confirming a formal quotation.

Can this product be supplied with setup or deployment support?

Yes. DCS can help with setup, configuration, deployment, installation, networking, cybersecurity checks, old hardware removal and ongoing managed IT support where required.

Is the displayed price and stock final?

Pricing and stock are subject to supplier confirmation. DCS uses a quote-led process so availability, pricing, compatibility and fulfilment can be checked before the order proceeds.