This article covers Corsair CP-9020139-NA HX1000 1000W 80 Plus Platinum High Performance Power Supply.

Overview

The Corsair HX1000 is a high-end power supply delivering 1000W of continuous power with 80 PLUS Platinum efficiency certification. Its fully modular design allows users to connect only the cables they need, improving airflow and simplifying cable management. The unit features Japanese capacitors for long-term reliability, and a 135mm FDB fan with Zero RPM mode that stops the fan under low load for silent operation. This PSU is ideal for demanding gaming rigs, creative workstations, and systems where stability and quiet operation are priorities.

Compatibility Guide

The HX1000 complies with ATX12V v2.4 and EPS 2.92 standards, and is backward compatible with ATX12V v2.2, v2.31, and v2.01. It fits standard ATX cases and offers a comprehensive set of connectors including a 24-pin ATX, dual EPS 8-pin, multiple PCIe 6+2-pin, SATA, and Molex. The +12V rail switch lets users choose between single or multiple rail modes for flexibility. At 1000W, it easily handles high-power GPUs like the RTX 4090 and multi-GPU configurations. Note that the PSU depth is around 180mm, so check case compatibility before purchase.

Product Info

Launched in 2016, the Corsair HX1000 remains a popular choice in the enthusiast segment. It carries a 10-year warranty and 80 PLUS Platinum certification, achieving up to 92% efficiency. In Japan, the price hovers around ¥92,000. Its market positioning is high-end, targeting users who demand robust power delivery, high efficiency, and long-term reliability. Fully modular cabling and Japanese capacitors further justify its premium status.

Best Use Cases

(1) High-end gaming PCs: With sufficient headroom for RTX 4090/5090 and overclocked CPUs, the HX1000 ensures stable power delivery during intense gaming. The modular cables help maintain a clean interior with good airflow. (2) Creative workstations: For multi-GPU setups or heavy storage arrays, the stable power output and silent operation under low load are advantageous for rendering and editing tasks. (3) Long-term server or home lab deployments: The 10-year warranty and high-quality components provide peace of mind for 24/7 operation, making it a solid choice for NAS or compute servers.

Things to Consider

The 1000W capacity is overkill for typical mid-range builds; a 650-750W unit is often sufficient for Core i5 + RTX 4060 class systems. Additionally, this PSU does not natively support ATX 3.0/3.1 or the 12VHPWR connector, so users of RTX 40/50 series GPUs will need to use the included adapter cables. Some users report that the cables are relatively stiff, which can make routing challenging in compact cases. Price-wise, it is more expensive than 80 PLUS Gold units of the same wattage, but the warranty and efficiency offset the higher upfront cost for users who value long-term reliability.

Product Disclosure (Amazon)

  • Manufacturer: CORSAIR
  • Seller: Global Nest Japan【パソコンはUSキーボードです】
  • Fulfilled by: Global Nest Japan【パソコンはUSキーボードです】
  • ASIN: B01N5NWKHH
  • Note: This article covers a manufacturer-made product based on Amazon listing details.