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.
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
Protection Features
OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO
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
Warranty:
7 Year Return To Base Warranty
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