Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply, PCIe 5.1 Ready with 12V 2x6 Connector, 80 Plus Bronze Certified, Quiet 120mm Fan, 5-Year Warranty
Antec CSK850 PRO 850W Semi-Modular ATX 3.1 Power Supply, PCIe 5.1 Ready with 12V 2x6 Connector, 80 Plus Bronze Certified, Quiet 120mm Fan, 5-Year Warranty
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Product Description
The Antec CSK850 PRO is an 850 W semi-modular power supply designed for modern gaming and high-performance PCs. Compliant with the ATX 3.1 standard and PCIe 5.1 ready, it supports the latest graphics cards through its native 12V 2x6 (12VHPWR) connector. Featuring 80 Plus Bronze efficiency and advanced CircuitShield™ protection, this PSU ensures reliable, efficient, and safe power delivery. Its compact design, quiet 120 mm fan with intelligent thermal control, and semi-modular cables make installation easy and improve system airflow. Backed by a 5-year warranty, it is a future-proof choice for demanding PC builds.
Full Specifications
Model:
CSK850 PRO
MPN:
0-761345-20071-4
Form Factor:
ATX 12V 3.1 semi-modular
Wattage:
850 W continuous
Efficiency:
80 Plus Bronze (up to ~90%)
ATX Standard:
ATX 3.1
PCIe Support:
PCIe 5.1 native 12V 2x6 GPU connector
Protection Features (CircuitShield™):
OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
Cooling:
120 mm silent fan with thermal manager fan speed control
PFC:
Active PFC
Power Good Signal:
100–150 ms
Input Voltage:
200–240 V AC, 12 A max, 50–60 Hz
Dimensions (L x W x H):
140 x 150 x 86 mm
Net Weight:
Approximately 1.95 kg
Connectors:
1 x 24-pin ATX main
1 x 16-pin (12+4) PCIe 5.1 (12VHPWR, up to 600 W)
2 x 8-pin (4+4) CPU EPS
4 x 8-pin (6+2) PCIe
6 x SATA
3 x Molex
Operating Temperature:
0–40 °C
Certifications:
TUV, CB, RCM, CE, BIS, UKCA, KC
Warranty:
5 years
Shipping and return
Shipping
Our Products are currently shipped using Royal Mail tracked services, but some larger orders may be shipped via DPD.
We Dispatch orders once confirmed Payment is received from this date you should receive your order within 48 hours.
Please note during peak times dispatch times may increase.
Returns
We offer 14 day change of mind returns for non consumable items in a unopened and unused state.
For more information and instructions on how to open a return please visit our "Refund Policy" page in the footer of this website.
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