Overview

The ANTEC GSK850 V2 ATX3.1 is a high-efficiency 850W power supply unit with 80PLUS GOLD certification. Its fully modular cable design optimizes airflow inside your PC case and simplifies assembly and maintenance. Compliant with the ATX3.1 standard, it delivers stable power to the latest graphics cards and CPUs. This genuine product is sold and fulfilled by Amazon.co.jp, ensuring a reliable purchase experience.

Key Features

  • 80PLUS GOLD Certified: Achieves up to 90% energy efficiency, reducing electricity costs and heat generation.
  • Fully Modular Cables: Connect only the cables you need, keeping the interior tidy and improving airflow.
  • ATX3.1 Support: Compatible with the latest PCIe 5.0 standard, handling power spikes during heavy loads.
  • Quiet 120mm Fan: Automatically adjusts fan speed based on load, keeping noise levels low.
  • 850W Output: Provides ample power for mid-range to high-end gaming PCs and workstations.

Compatibility Guide

  • Form Factor: Standard ATX, fits most ATX, MicroATX, and Mini-ITX cases.
  • Connectors: CPU EPS12V 8-pin x2, PCIe 6+2-pin x4, SATA x8, Molex x4. Supports modern graphics cards and storage devices.
  • Power Capacity: 850W is ideal for systems with a Core i7/Ryzen 7 CPU and RTX 4070/RX 7800 XT class GPU.
  • Cable Length: CPU cable ~65cm, GPU cable ~60cm, providing ample reach even in large cases.

Ideal Builds

  • Gaming PCs: Sufficient power for mid-range to high-end gaming configurations.
  • Creator PCs: Stable operation under prolonged heavy loads like video editing and 3D rendering.
  • Quiet Builds: Modular design and quiet fan contribute to a silent, clean interior.

Upgrade Considerations

  • Bottleneck: 850W is adequate for typical gaming PCs, but for high-end builds with RTX 4090 or Core i9-14900K, a 1000W+ unit is recommended to handle transient power spikes.
  • Over-spec: For office use or light gaming, a 550W-650W unit is often sufficient. Choose based on your budget and future upgrade plans.
  • Future Expansion: ATX3.1 support ensures compatibility with next-gen graphics cards. However, if you plan a long-term high-end build, consider a higher capacity model.

Product Disclosure (Amazon)

  • Manufacturer: Antec
  • Brand: ANTEC
  • Seller: Amazon.co.jp
  • Fulfilled by: Amazon.co.jp
  • Model: GSK ATX3.1
  • ASIN: B0GJYDRKMQ
  • Note: This article covers a manufacturer-made product based on Amazon listing details.