Antec CSK1000 Pro ATX 3.1 Bronze SMPS – Powerful 1000W Next-Gen Ready Power Supply

The Antec CSK1000 Pro ATX 3.1 Bronze SMPS is engineered for gamers, creators, and professionals who require uncompromising power delivery, next-generation compatibility, and long-term reliability. Delivering a massive 1000W of continuous power, this semi-modular power supply supports the latest ATX 3.1 & PCIe 5.1 standards, making it the ideal choice for high-performance gaming PCs equipped with NVIDIA® GeForce RTX™ 40 Series graphics cards.

Equipped with 80 Plus Bronze certification, CircuitShield™ industrial protections, and Antec’s premium 120mm Silent Fan, the CSK1000 Pro ensures stable, efficient, and quiet operation even during the most demanding workloads. Whether you are building an enthusiast-level rig or upgrading your powerhouse system, this PSU provides the perfect balance of performance and value.

ATX 3.1 & PCIe 5.1 Support for Future-Ready Systems

Designed for advanced PC builds, the CSK1000 Pro is fully compliant with ATX 3.1, ensuring enhanced power stability, efficiency, and load regulation.

It includes a PCIe 5.1 12V-2x6 (600W) GPU cable—ensuring seamless compatibility with:

• NVIDIA® GeForce RTX™ 4090 / 4080 / 4070 Series

• AMD RX 7000 Series requiring modern power standards

This makes the PSU fully future-proof and ready for upcoming GPU generations.

80 Plus Bronze Efficiency for Cooler & Quieter Performance

With up to 90% efficiency, the CSK1000 Pro reduces energy loss and heat output, resulting in:

• Lower monthly power consumption

• Quieter fan operation

• Cooler overall PC temperatures

The 1000W continuous power output ensures there are no fluctuations even under extreme GPU and CPU loads.

CircuitShield™ Safety Suite – Full Electrical Protection

Antec’s CircuitShield™ technology provides an industrial-grade suite of electrical protections to safeguard your system:

• OCP – Over Current Protection

• OVP – Over Voltage Protection

• UVP – Under Voltage Protection

• SCP – Short Circuit Protection

• OPP – Over Power Protection

• OTP – Over Temperature Protection

• SIP – Surge & Inrush Protection

• NLO – No Load Operation

This ensures long-term safety, component health, and 24/7 reliability.

Silent & Durable Cooling with 120mm Fan + Thermal Manager

The built-in 120mm silent cooling fan delivers optimal airflow while maintaining low noise levels.
Supported by Antec’s Thermal Manager, the PSU automatically adjusts fan speed based on temperature, ensuring:

• Quiet operation during low loads

• Efficient cooling during heavy workloads

• Extended fan life

Semi-Modular Design for Clean Builds & Better Airflow

The semi-modular cable system offers flexibility and clean cable arrangements by allowing you to use only the cables you need. This results in:

• Improved internal airflow

• Reduced cable clutter

• Enhanced aesthetics for RGB or glass-panel builds

Compact Size with Wide Case Compatibility

With a depth of just 140mm, the CSK1000 Pro fits easily into most ATX and compact ATX cases. It provides powerful performance without compromising compatibility.

Backed by a Reliable 5-Year Warranty

Antec provides a 5-year warranty, ensuring long-term reliability and access to premium customer support.