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Antec SIGNATURE CSK1000 PRO ATX3.1 power supply unit 1000 W 20+4 pin ATX ATX - Image 1
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Antec SIGNATURE CSK1000 PRO ATX3.1 power supply unit 1000 W 20+4 pin ATX ATX

Antec

Compare today's prices on the "Antec SIGNATURE CSK1000 PRO ATX3.1 power supply unit 1000 W 20+4 pin ATX ATX".

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Last Updated: 21/09/2026
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Product Description

Compare today's prices on the "Antec SIGNATURE CSK1000 PRO ATX3.1 power supply unit 1000 W 20+4 pin ATX ATX".

Antec SIGNATURE CSK1000 PRO ATX3.1 Power Supply Unit

Designed to meet the demanding power requirements of modern PCs and servers, the Antec SIGNATURE CSK1000 PRO delivers reliable, efficient performance with full ATX3.1 compliance. Its 1000W capacity provides ample headroom for high-end graphics cards and multi-core processors, while the 80 PLUS Bronze certification ensures reduced energy loss and lower electricity bills. The semi-modular cable management system keeps your build clean and airflow optimised, making installation straightforward.

- 1000W continuous output with support for 200-240V AC input at 50Hz

- ATX3.1 compliant, offering improved transient load handling and compatibility with the latest GPUs

- 80 PLUS Bronze certified for up to 85% efficiency under typical loads

- Semi-modular design with essential cables fixed and optional cables detachable for a tidy build

- 20+4 pin ATX motherboard connector for broad compatibility with modern and legacy boards

- 120mm silent fan with intelligent thermal control for quiet operation under light loads

- Full set of protection features including OVP, UVP, OCP, OPP, and SCP for long-term safety

- Slim form factor (ATX) suitable for standard PC cases and server chassis

Trust the SIGNATURE CSK1000 PRO to power your system with stability and efficiency, backed by Antec's renowned engineering.

GTIN: 761345200738