The Antec CSK 850W Pro PCle5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply offers a powerful blend of efficiency, performance, and reliability, making it an ideal choice for modern gaming and professional PC builds. Certified for ATX 3.1 and PCIe 5.1 standards, this PSU is designed to meet the rigorous demands of cutting-edge hardware, including seamless compatibility with NVIDIA® GeForce RTX™ 40 Series GPUs via its 12V-2×6 PCIe 5.1 GPU cable. With its 850W of Continuous Power and 80 PLUS® Bronze certification, the CSK Pro delivers up to 90% energy efficiency, ensuring a cooler, quieter, and more cost-effective system.
Engineered for durability and safety, the CSK Pro features Antec’s CircuitShield™ suite of industrial-grade protections, including safeguards like OCP, OVP, UVP, SCP, OPP, OTP, SIP, and NLO, providing robust defense against potential electrical issues. Its 120mm silent fan, paired with the Thermal Manager low voltage fan control system, optimizes airflow and temperature management, allowing for quiet and stable operation even under heavy loads. The compact design of this PSU makes it compatible with a wide range of PC cases, offering versatility for diverse build configurations.
The semi-modular cable system of the CSK Pro enables a streamlined setup, reducing cable clutter and enhancing internal airflow for improved system cooling. This thoughtful design not only ensures better organization but also contributes to a cleaner overall aesthetic. Backed by Antec’s 5-year warranty, the CSK 850W Pro delivers exceptional value and reliability, making it a top-tier choice for users seeking high-quality power delivery for their advanced systems.
Features:
- ATX 3.1 & PCIe 5.1 Compatible
- 80 Plus® Bronze Certified
- 120mm Silent Fan
- Thermal Manager
- Better cable management and airflow
- Compact Size
Specifications:
- Modularity: Semi-Modular
- Output Capacity: 850W
- Input Voltage: 200-240 V
- Input Current: 5A Max
- Input Frequency Range: 50Hz
- PFC: Active PFC
- Power Good Signal: 100-150ms
- Protection: OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
- Regulatory: TUV / CB / RCM / CE / BIS / UKCA / KC
- Fan: 120mm Silent Fan
- Certifications: 80 Plus Bronze 230V EU
- Connectors:
- 1 x 24 (20+4) pin MB
- 1 x 16 (12+4) pin PCIE 5.1 12V-2×6 (600W)
- 2 x 8 (4+4) pin CPU
- 4 x 8 (6+2) pin PCI-E
- 6 x SATA
- 3 x Molex
- Product Dimensions: 29.65 x 20.3 x 13.0 cm
What’s In The Box:
- Antec CSK 850W Pro PCle5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply – Black x1
256GB HIKSEMI C1 Micro SD Card with Adapter
Port Designs Hanoi II 15.6" Clamshell Case
Romoss PHA10 10000mAh 22.5W Fast Charge Power Bank – Purple
15" Astrum LB200 Oxford Notebook Backpack - Red
WINX GO Fast 2 10000mAh Power Bank PD20
20 000Mah Romoss Pulse Power Bank
REDRAGON 2.0 Satellite Speakers WALTZ - Black
Xiaomi Motion Activated Night Light 2
Romoss PHA10 10000mAh 22.5W Fast Charge Power Bank – Grey
Logitech G502 HERO 25k High Performance Black Wired Gaming Mouse
15.6" Port Designs Clamshell Case - Black
64GB Hiksemi FUTURE G3 MicroSDXC Gaming Card (Without Adapter)
512GB Patriot EP V30 A1 Micro SDXC Card + Adapter
Dell WM126 Black Wireless Optical Mouse
ORICO Micro USB ChargeSync Cable Silver 1M
Logitech M90 USB Mouse
Logitech M240 Silent 4000DPI Graphite Wireless Optical Mouse
Logitech Pebble Mouse Ambidextrous Wireless Tonal Graphite Optical Mouse
Mecool KM9 Pro Deluxe Android 10 TV Box
Cudy 16-Port PoE+ Unmanaged Switch
Antec VORTEX 360mm ARGB Liquid CPU Cooler - White
WINX GO Simple 20000mAh Power Bank
Cudy 10-Port Unmanaged PoE+ Switch
REDRAGON BLAZAR Cardioid USB Gaming Mic and Tripod - Black
Logitech Z313 Stereo Satellite with Subwoofer Multimedia Desktop Speaker System
Astrum Backpack 15'' Black + Usb Port
1TB SPATIUM M460 M.2 NVME Gen 4
850W Antec GSK PCIe 5.1 Gen5 80 PLUS Gold Fully Modular Power Supply
WINX DO Simple Wireless Mouse
500GB Crucial BX500 2.5" SATA SSD
Hdmi To Hdmi M/M (5M) Cable
HIKSEMI Dual Slim 128GB USB3.2 Flash Drive
64GB Hiksemi Capture V30 MicroSDXC (Without Adapter)
1000W FSP VITA GM Gold Power Supply 








