Name: Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read
Brand: Antec
SKU: 0a32a519-50a5-44c3-b189-4a79c0351d66
Availability: InStock

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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

Full specifications

Marque	Antec
Référence fabricant	0761345200714
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 12
NLOCooling	120 mm silent fan with thermal manager fan speed controlPFC: Active PFCPower Goo
D Signal	100–150 msInput Voltage: 200–240 V AC. 12 A max. 50–60 HzDimensions (L x W x H):
MmNet Weight	Approximately 1.95 kgConnectors:1 x 24-pin ATX main1 x 16-pin (12+4) PCIe 5.1 (1
X MolexOperating Temperature	0–40 °CCertifications: TUV. CB. RCM. CE. BIS. UKCA. KCWarranty: 5 years

Why choose the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read in 2026?

In the Informatique category, the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read by Antec stands out for its positioning in 2026. Compiral lists all available offers to help you buy at the best price. Our comparison tool takes delivery costs into account to calculate the true total price of each offer. Filter by stock availability, free delivery, or sort by ascending price to find the best deal right now.

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

Among the main strengths of the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read, the most notable are its competitive pricing from £75.58 and the recognition of the Antec brand. Buyers who have already used this type of product in the Informatique category generally highlight the effectiveness of the core functions and ease of maintenance. It is a product that suits both first-time buyers and those replacing existing equipment, with a short learning curve and stable performance over time.

What the tech specs reveal

The Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read spec sheet details the specifications that make a difference in daily use. For a savvy buyer, this data allows objective comparison with other products in the Informatique category. Antec publishes precise specifications that make comparison easier and help you make an informed purchase decision. Consult the technical specifications table on this page for full details. The Antec C120 ARGB Computer case Fan 12 cm Black 3 pc(s) from the same brand may also interest you for a direct comparison.

In practice day to day

In daily use, the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read is designed to fit easily into the regular habits of Informatique users. Antec has optimised this model for regular use, with accessible features and simplified maintenance.

Market price ranges in 2026

Range	Indicative price	For whom	What you get
Entry-level	Under 384300 £	Tight budget, occasional use	Essential features, reliable for beginners
Mid-range	384300 £ to 896710 £	Regular daily use	Good value for money, solid performance
High-end	Over 896710 £	Demanding users	The best of the category, all advanced features

Before buying the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read, remember to check the total price including delivery costs. On Compiral, sorting by total price lets you immediately identify the best offer among all listed retailers. Comparing return conditions and the warranty period offered by each retailer is also a good habit before finalising your order in the Informatique category.

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

Is the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read in stock?

Stock availability for the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.

Where can I buy the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read at the best price?

To buy the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read at the best price, compare all available offers in our table at the top of this page. The 2 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.

How does the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read compare to competitors in the Informatique category?

In the Informatique category, the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.

Is the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read suitable for beginners?

Yes, the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read is generally appreciated by both beginners and regular users of the Informatique category. It is quick to set up and Antec usually provides clear documentation. If you are new to this product category, consult the spec sheet on this page to identify the key criteria to check before making your choice.

Is there a refurbished version of the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read?

Refurbished versions of the Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply. PCIe 5.1 Read may be available from certain Compiral partner retailers. These refurbished products allow you to save between 20% and 40% compared to the new price while still benefiting from a warranty. Check availability in our offers table and review the warranty conditions offered by the retailer.