Antec GSK ATX 3.1 850W Power Supply V2 – White, Full Modular, 80 PLUS Gold

The Antec GSK850 V2 is engineered for modern high-performance systems requiring stable, efficient and next-generation power delivery. With full ATX 3.1 compliance, a dedicated PCIe 5.1 12V-2x6 cable and an 80 PLUS Gold rating, it delivers exceptional reliability for today's most demanding CPUs and GPUs. Built with premium Japanese capacitors and Antec’s PhaseWave LLC + DC-DC topology, this PSU ensures clean, consistent power with long-term durability.

A silent 120mm FDB fan with Zero RPM mode keeps noise levels ultra-low at lighter loads, while the fully modular design and compact 140mm length maximise case compatibility and cable management. Protected by Antec’s full CircuitShield suite and backed by a 10-year warranty, the GSK850 V2 is ready for future hardware and intensive workloads.

Key Features

✓ 850W ATX 3.1 power supply for next-generation systems
✓ 80 PLUS Gold efficiency for reduced heat and energy usage
✓ Full modular cabling for cleaner builds and improved airflow
✓ PCIe 5.1 12V-2x6 cable included for modern GPUs
✓ Premium Japanese capacitors ensure long-term reliability
✓ Silent 120mm FDB fan with Zero RPM mode at low load
✓ Antec PhaseWave LLC + DC-DC design provides stable power output
✓ CircuitShield protection suite for complete electrical safety
✓ Compact 140mm length fits a wide range of cases
✓ Backed by a 10-year manufacturer warranty

Technical Specifications

Power Output: 850W
ATX Standard: ATX 12V 3.1
Efficiency Rating: 80 PLUS Gold
Modularity: Full Modular
Topology: PhaseWave LLC + DC-DC

Cooling:

• 120mm Silent FDB Fan

• Zero RPM Mode (fan stops at low loads)

Protection Features (CircuitShield):
OCP, OVP, UVP, SCP, OPP, OTP, SIP, NLO

Operating Temperature: 0°C – 40°C

Connectivity

Motherboard:

• 1 × 24-pin (20+4)

CPU:

• 2 × 8-pin (4+4) EPS

GPU:

• 4 × 8-pin (6+2) PCIe

• 1 × PCIe 5.1 12V-2x6 cable (for modern GPUs)

Storage & Accessories:

• 8 × SATA

• 4 × Molex

Physical Specifications

Dimensions: 140mm (L) × 150mm (W) × 86mm (H)
Weight: Approx. 2.50 kg
Colour: White

Why Choose the Antec GSK850 V2?

The Antec GSK850 V2 combines next-generation ATX 3.1 compliance, premium internal components and silent cooling technology to deliver exceptional performance and reliability. Whether powering a high-end gaming GPU, a workstation build or a future-proof PC upgrade, this PSU ensures dependable power delivery backed by a long 10-year warranty. Its compact length and fully modular design streamline installation, making it a strong choice for clean, efficient and high-performance builds.