Antec CSK850 PRO Semi-Modular latest ATX 3.1, PCI-E 5.1 for 4080, 5080, 7900xt, 90x High Quality Japanese Capacitors, Performance and reliability, PSU | CSK850 PRO AU

Antec CSK850 PRO AU 80 Plus® Bronze Certified

Introducing our CSK Pro ATX3.1 semi-modular power supply, designed with quality, efficiency, and performance. The CircuitShieldTM 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-2×6 GPU cable enables seamless compatibility with the latest graphics cards, such as the NVIDIA® GeForce RTX™ 40 Series.

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.

Features
Semi-Modular
Latest GPU Standard and future proof
Whisper Quiet
Thermal Manager
Compact Size
Semi-Modular

24pin ATX MB x 1
16PIN PCI-E 5.1 12V-2×6 (600w) x 1
PCI-E 8PIN (4+4) x 2
PCI-E 8PIN (6+2) x 4
SATA x 6
Molex X 3

5-Year Warranty
Antec commits a 5-year warranty and offers our quality tech support and customer servi

Product Last Updated: 11/12/2025

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