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
Epson L110/L210/L355 Yellow Ink Bottle
64GB Patriot LX CL10 Micro SDHC Card
Brother Ink Blk Dcpt500W
Logitech G102 LIGHTSYNC 8,000 DPI RGB Lilac Wired Gaming Mouse
15" Astrum LB200 Oxford Notebook Backpack - Red
64GB Hiksemi Classic USB2.0 Flash Drive - Metal
128GB Patriot Xporter Core USB3.2 Flash Drive - Black
Lenovo ThinkPad Hybrid USB-C with USB-A Dock
Hp 122 Col For 1000/2050/3000/3050
WINX DO More Wireless and Bluetooth Mouse
256GB Patriot Rage Lite USB3.2 Flash Drive - Black
128GB HIKSEMI C1 Micro SD Card with Adapter
Antec C3 ARGB ATX | Micro-ATX | ITX ARGB Mid-Tower Gaming Chassis – White
Cooler Master MasterBox 520 Mesh ARGB Windowed Mid-Tower Desktop Chassis
Cudy 24-Port Unmanaged POE Switch - Rack Mount
32GB SanDisk Cruzer Blade USB 2.0
23 - 55" Folding Ceiling Mount Bracket
ElectroMart Universal Headphone Case - FHE300
Redragon H350 Pandora 2 USB (Power Only)|Aux (Mic and Headset) RGB Gaming Headset - White
27" MSI G272QPF Gaming Monitor 2560 x 1440 (QHD) Rapid IPS 1ms 170Hz G-Sync Compatible HDR Ready HDMI Displayport Tilt Swivel Height Adjustable Pivot
PCBuilder Tempest Chill 120MM ARGB Dual Glow Fan
Logitech M90 USB Mouse
Hp 123 Colour For 2130/2131
Pantum M7105DN A4 Multifunction Mono Laser Printer
REDRAGON DRAGONBORN Wired Mechanical Keyboard RGB 67Key Design - Black
Tp-Link Deco X50 Ax3000 Whole Home Mesh
WINX DO Simple 1080P 30fps Webcam
Grandstream DECT Handset Compatible with DP75x | DP720
REDRAGON 2.0 Sound Bar ADIEMUS 2 x 3W RGB USB|Aux PC Gaming Speaker - Black
1000W FSP VITA GM Gold Power Supply
WINX DO Ergo Adjustable Laptop Stand
Tp-Link Deco X20 Ax1800 Whole Home Mesh
Antec C5 ARGB ATX DUAL Mid Tower Gaming Chassis – White
HP 203A Cyan Toner Cartridge
Antec Atom G750 Semi-Modular Power Supply
27" LG Essential FHD IPS Monitor 100Hz
Type-C To Audio Adapter Gizzu
HP 651 Black Ink Cartridge
Cudy 8-Port Gigabit Metal Switch
Canon KP-108IN Ink & Photo Paper Set
Cudy AC1200 Gigabit Wi-Fi Mesh Router
REDRAGON MECHANICAL AZURE Wireless Gaming Keyboard
HP 953XL High Yield Cyan Original Ink Cartridge
WINX GO Fast 2 10000mAh Power Bank PD20
TPLINK 24-port Gigabit Switch
850W Antec CSK Pro PCle5.1 Gen5 80 Plus Bronze Semi-Modular Power Supply
HP 951XL Magenta High Yield Printer Ink Cartridge Original CN047AE Single-pack
HP 305XL High Yield Tri-color Original Ink Cartridge
Xiaomi Wireless Router AX3200
Logitech H390 USB Type-A Black Wired Calling Headset
Canon 1400XL Black Original High Yield Ink Cartridge - PGI-1400XLBLK
PORT BACKPACK CHICAGO EVO EXPANDABLE 13"/15.6" BK
Brother DCP-1610W Multifunctional A4 Laser Printer - with 3yr Warranty
Brother HL-L5210DW A4 Wi-Fi Mono Laser Printer - with 3yr Warranty
Logitech G513 LIGHTSYNC GX Brown RGB Carbon Mechanical Gaming Keyboard
FSP VITA GM 850W Gold Fully Modular PSU 








