Introducing our CSK Pro ATX3.1 semi-modular power supply, designed with quality, efficiency, and performance. The CircuitShield^TM suite of industrial-grade protections ensure the power delivered to your system is safe and reliable in any environment. Advancing with ATX 3.1 & PCIe 5.1 compatibility, featuring 80 PLUS® BRONZE certification, and coming with Antec’s 5-year warranty, CSK Pro ATX3.1 provides you the impressive price-performance ratio.

ATX 3.1 & PCIe 5.1 Compatible

Our new CSK Pro ATX3.1 power supplies are certified for ATX 3.1 compliance, meeting the high standards for reliability and power efficiency, and ensuring the utmost level of quality and performance. The included PCIe 5.1 12V-2x6 GPU cable enables seamless compatibility with the latest graphics cards, such as the NVIDIA® GeForce RTX™ 40 Series.

80 Plus^® Bronze Certified

Delivering up to 90% efficiency, CSK850 Pro ATX3.1 gives you a cooler and quieter system, powered by the guaranteed 850W of Continuous Power.

CircuitShield^TM

The full suite of industrial-grade protections includes OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, ensuring the safety and reliability of your power supply in any situation.

5-Year Warranty

Antec commits a 5-year warranty and offers our quality tech support and customer service.

120mm Silent Fan

The whisper-quiet 120mm fan provides high airflow with the durability and longevity that is a Antec signature.

Thermal Manager

Thermal Manager, an advanced low voltage fan control for optimal heat & noise management, allows your PSU to stay at the optimal temperature.

Better cable management and airflow

Semi-modular cable system allows users to use only the necessary cables and eliminates cable clutter that can obstruct and compromise airflow.

Compact Size

Compared to large power supplies on the market, it is smaller in size and can be used with a wider range of computer cases.

Bronze

CSK750 DC

CSK850 PRO

CSK1000 PRO

CSK550 DC

CSK650 DC