Experience reliable and efficient power delivery with the Antec CSK850 PRO ATX 3.1 850W Semi-Modular Power Supply. Designed for modern high-performance PCs, this PSU supports the latest *PCIe 5.1 GPU standard* and is fully compliant with the ATX 12V 3.1 specification to ensure compatibility with cutting-edge hardware such as NVIDIA GeForce RTX 40 series GPUs and AMD Radeon RX 7000 series cards.
Built with high-quality Japanese capacitors, this power supply guarantees stable operation and enhanced durability. It features a semi-modular cable design for flexible cable management and improved airflow inside your case. Equipped with a whisper-quiet 120mm fan coupled with Antec's Thermal Manager technology, it balances optimal cooling with minimal noise.
Comprehensive safety is ensured by Antec's CircuitShield suite including protections against overcurrent (OCP), overvoltage (OVP), undervoltage (UVP), short circuit (SCP), overpower (OPP), overtemperature (OTP), surge & inrush protection (SIP), and no-load operation (NLO).
Backed by a solid 5-year warranty, the CSK850 PRO offers an outstanding price-to-performance ratio for gamers, content creators, and PC enthusiasts who demand reliability and future-proof features.
Key Features:
- 850W continuous output with stable voltage regulation
- 80 PLUS Bronze certification for energy efficiency
- Semi-modular cables with connectors including 24-pin ATX, PCIe 16 (12+4) 5.1 GPU cable (600W), multiple 8-pin CPU and PCIe 6+2 pin connectors
- Compact size for flexible installation
- 120mm silent fan with Thermal Manager to reduce noise
- Extensive CircuitShield safety protections
- Compliance with major international safety and quality standards
- Five-year manufacturer warranty and dedicated tech support
Upgrade your system with the
Antec CSK850 PRO to ensure efficient power, whisper-quiet operation, and compatibility with the latest hardware innovations.