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
HP 651 Black Ink Cartridge
Canon PGI-1400XL C Cyan DRHD XL Ink Tank
HP 305XL High Yield Tri-color Original Ink Cartridge
HP 951XL Magenta High Yield Printer Ink Cartridge Original CN047AE Single-pack
HP 953XL High Yield Cyan Original Ink Cartridge
Canon Pixma TR4645 4-in-1 Wireless Inkjet Printer with ADF
Antec AX20 RGB Windowed Black ATX Mid-Tower Desktop Chassis
HIKSEMI Dual Slim 128GB USB3.2 Flash Drive
Xiaomi In-Ear Headphones Basic (Silver)
Hp 106A Black Toner For 107/Mfp135/137
Comp Toner For Canon 054 Cyan
Kensington Professional H2000 USB-C (includes a USB-A Adapter) Dual Ear Headset
Brother Ink Blk Dcpt500W
Logitech M171 Wireless Optical Mouse
Dell WM126 Black Wireless Optical Mouse
Hp 117A Magenta Toner For M178/179
Logitech M90 USB Mouse
USB Ext Cable 5M
PCBuilder FUSION 24″ Intel Core i7-14700 Windows 11 AiO Desktop PC
Genius HS-230U Wired USB Headset
HP 652A Black Toner Cartridge
MSI MAG A550BN 550W 80 PLUS Bronze Non-modular ATX Power Supply 








