The Antec GSK850 V2 is an 850W fully modular ATX power supply for gaming PCs and other high-performance desktop builds. Its ATX 12V 3.1 design and included PCIe 5.1 12V-2x6 cable suit systems using current-generation graphics cards.

The Antec GSK850 V2 is an 850-watt, fully modular ATX 3.1 power supply designed for modern high-performance PC builds. It supports the latest PCIe 5.1 graphics cards through a dedicated 12V-2x6 cable and features 80 PLUS Gold efficiency for reliable and energy-efficient operation. Equipped with Antec’s PhaseWave LLC + DC-DC topology and the full CircuitShield protection suite, it delivers stable, safe power with long-term durability.

Its Zero RPM fan mode ensures silent operation at low loads, while the compact 140 mm length makes it suitable for a wide range of cases. With a 10-year warranty and updated ATX 12V 3.1 compliance, it is built for next-generation systems.

Protection Features

  • OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO

Specification

Specification Detail
Power 850W
ATX Standard ATX 12V 3.1
Efficiency Rating 80 PLUS Gold
Modularity Full Modular
GPU Support PCIe 5.1 (12V-2x6 Cable Included)
Input Voltage 100–240V AC, 50–60Hz
Cooling 120mm Silent Fan with Zero RPM Mode
Topology PhaseWave LLC + DC-DC Design
Dimensions 140mm (L) × 150mm (W) × 86mm (H)
Weight Approx. 2.50kg
Operating Temperature 0°C – 40°C
Motherboard Connector 1 × 24-pin (20+4)
CPU Connectors 2 × 8-pin (4+4) EPS
PCIe Connectors 4 × 8-pin (6+2)
12V-2x6 Connector 1 × PCIe 5.1 GPU
SATA Connectors 8 × SATA
Molex Connectors 4 × Molex
Warranty 10 Years
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