Antec CSK 850W Pro | 80 Plus Bronze | ATX 3.1 & PCIe 5.1 | Semi-Modular | 850W Continuous Power – New

R1,259.35

Power Your Beast Without Breaking a Sweat

Whether you’re pushing a high-end gaming rig or a demanding professional workstation, the Antec CSK 850W Pro delivers rock-solid, continuous 850W power with up to 90% energy efficiency — keeping your system cool, quiet, and cost-effective even under the heaviest loads.

Next-Gen GPU Ready, Right Out of the Box

Fully certified for ATX 3.1 and PCIe 5.1 standards and bundled with a 12V-2×6 PCIe 5.1 GPU cable, the CSK Pro is built to handle the power demands of NVIDIA GeForce RTX 40 Series graphics cards — so your build stays future-proof from day one.

Clean Cables, Cooler Case, Calmer Mind

The semi-modular cable system lets you connect only what you need, slashing cable clutter and boosting internal airflow. Pair that with the 120mm silent fan and Thermal Manager low-voltage fan control, and you’ve got a PSU that’s as tidy as it is quiet.

Built Tough, Backed Long

Antec’s CircuitShield™ protection suite guards against over-current, over-voltage, short circuits, and more — giving you industrial-grade electrical defence in a compact form factor. And with a 5-year warranty, you can build with confidence knowing your investment is protected for the long haul.

114 in stock

Description
Tech Specs
Performance
Output Capacity
850W Continuous Power
Efficiency Rating
80 PLUS® Bronze Certified (up to 90% efficiency)
Modularity
Semi-Modular
Active PFC
Active PFC
Standards
ATX 3.1 & PCIe 5.1 Compatible
Protection
CircuitShield™: OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
Power Input
Input Voltage
200–240V
Input Current
5A Max
Input Frequency
50Hz
Power Good Signal
100–150ms
Cooling
Fan
120mm Silent Fan
Fan Control
Thermal Manager Low Voltage Fan Control
Connectors
Motherboard
1 x 24 (20+4) pin MB
GPU (PCIe 5.1)
1 x 16 (12+4) pin PCIe 5.1 12V-2×6 (600W)
CPU
2 x 8 (4+4) pin CPU
PCIe
4 x 8 (6+2) pin PCIe
SATA
6 x SATA
Molex
3 x Molex
Design
Dimensions
29.65 x 20.3 x 13.0 cm
Colour
Black
Certifications & Compliance
Efficiency Certification
80 Plus Bronze 230V EU
Regulatory
TUV / CB / RCM / CE / BIS / UKCA / KC
Warranty
Warranty
5-Year Antec Warranty
Additional information
Weight 2.69 kg
Dimensions 29.5 × 13.5 × 20.5 cm
Brand

Antec

Colour

Black

Warranty

60 Months