ANTEC CSK850 PRO 850W Semi-Modular ATX Power Supply

ANTEC CSK850 PRO 850W Power Supply

Power your next-generation PC build with the Antec CSK850 PRO, an 850W semi-modular power supply engineered for demanding systems. Whether you're a serious gamer pushing the limits of high-refresh-rate displays, a content creator rendering complex projects, or a professional demanding reliable performance, the CSK850 PRO delivers clean, stable power with advanced protection features. Its PCIe 5.1 readiness ensures compatibility with the latest high-end graphics cards, while its quiet operation and efficient design keep your system running cool and silent.

Features

• 850W continuous power output for demanding components
• Semi-modular design for clean cable management and improved airflow
• Native PCIe 5.1 support via 12VHPWR (12V 2x6) connector for next-gen GPUs
• 80 Plus Bronze certification for high efficiency and energy savings
• Quiet 120mm fan with intelligent thermal control
• Comprehensive CircuitShield™ protection against overcurrent, overvoltage, and other power surges
• ATX 3.1 compliant
• 5-year warranty for peace of mind

Specifications

• Model: CSK850 PRO
• MPN: 0-761345-20071-4
• EAN: 0761345200714
• Form Factor: ATX 12V 3.1 semi-modular
• Wattage: 850W continuous
• Efficiency: 80 Plus Bronze (up to ~90%)
• PCIe Support: PCIe 5.1 native 12V 2x6 GPU connector
• Protection Features (CircuitShield™): OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
• Cooling: 120mm silent fan with thermal manager fan speed control
• PFC: Active PFC
• Power Good Signal: 100–150 ms
• Input Voltage: 200–240V AC, 12A max, 50–60 Hz
• Dimensions (L x W x H): 140 x 150 x 86 mm
• Net Weight: Approximately 1.95 kg
• Connectors: 1 x 24-pin ATX main, 1 x 16-pin (12+4) PCIe 5.1 (12VHPWR, up to 600W), 2 x 8-pin (4+4) CPU EPS, 4 x 8-pin (6+2) PCIe, 6 x SATA, 3 x Molex
• Operating Temperature: 0–40 °C
• Certifications: TUV, CB, RCM, CE, BIS, UKCA, KC
• Warranty: 5 years