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
850W Antec GSK GEN5 ATX3.1 and PCIE5.1 80 Plus Gold Fully Modular White
32GB SanDisk Cruzer Blade USB 2.0
64GB Patriot LX CL10 Micro SDHC Card
Cudy 10-Port Unmanaged PoE+ Switch
WINX DO ESSENTIAL Wireless Mouse
32GB HIKSEMI C1 Micro SD Card with Adapter
TP-Link 8-Port Gigabit Desktop Switch
ASUS ProArt PA401 Wood Edition ATX Chassis - Black
TP-Link 300Mbps Wireless N Router
D-Link Dsl-224 Adsl/Vdsl2 Router
Astrum HT320 ANC Wireless Headset with Mic
128GB Transcend 300S U3 V30 A1 microSDXC Card
512GB Hiksemi FUTURE G3 MicroSDXC Gaming Card (Without Adapter)
D-LINK DAP-1360 Wireless N300 Access Point
Xiaomi Wireless Router AX3200
Antec AX20 RGB Windowed Black ATX Mid-Tower Desktop Chassis
256GB Transcend SSD230 SATA III 6Gb/s 3D NAND 2.5" Solid State Drive
REDRAGON 2.0 Sound Bar ADIEMUS 2 x 3W RGB USB|Aux PC Gaming Speaker - Black
WINX DO Ergo Vertical Laptop Stand
Cudy Gigabit PCI Express Adapter
Cudy Dual Band WiFi 5 1200Mbps Fast Ethernet Mesh 3 Pack | M1200 (3-Pack)
WINX VIBE Active 2 TWS Earbuds
Psu 750W Yama 24Pin
4TB Transcend TS4TMTE250S SSD M.2 2280 PCIe 4.0 NVMe Solid State Drive
FSP Hydro Pro M 700W Semi-Modular PSU 







