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
Gizzu USB to Type-C Cable 2m Poly
Type-C To Display Port Adapter 20Cm
Antec Atom G750 Semi-Modular Power Supply
Psu 750W Yama 24Pin
Asus Cobble M.2 SSD Enclosure - Grey
FSP Hydro Pro M 700W Semi-Modular PSU
Port Designs Budget Office USB Keyboard
Antec FLUX PRO E-ATX Mid Tower Gaming Chassis – Black
Antec Atom V550 Non-Modular Power Supply
Mecer/Rct/Proline 1000 Va Ups
Type-C To Hdmi Converter Astrum
32GB Patriot Xporter Core USB3.2 Flash Drive - Black
Psu 550W Yama 24Pin
WINX DO ESSENTIAL Wireless Mouse
Super Channel 1200 Va Ups
Logitech M90 USB Mouse
Kensington Professional H2000 USB-C (includes a USB-A Adapter) Dual Ear Headset
256GB Patriot Rage Lite USB3.2 Flash Drive - Black
WINX VIBE Comfort 2 Wireless Headphones
32GB HIKSEMI Dual Slim USB3.2 Flash Drive
Cudy AC1200 WiFi Range Extender | Wall Plug
128GB Patriot EP V30 A1 Micro SDXC Card + Adapter
128GB Hiksemi FUTURE G3 MicroSDXC Gaming Card (Without Adapter)
Psu 400W Yama 24Pin Oem
Cudy 16-Port PoE+ Unmanaged Switch
Antec AX20 RGB Windowed Black ATX Mid-Tower Desktop Chassis
750W Antec GSK PCIe 5.1 Gen5 80 PLUS Gold Fully Modular Power Supply 







