This article covers Corsair RM850e (2025) 完全モジュラーATX電源.

Overview

The Corsair RM850e (2025) White is a fully modular ATX 3.1 power supply released in early 2025. Rated at 850W with Cybenetics Gold efficiency certification, it delivers reliable, quiet power for mid-range to high-end builds. The native 12V-2x6 (12+4 pin) cable supports the latest GeForce RTX 40/50 series GPUs without adapters, while the white chassis and cables make it an excellent choice for white-themed PC builds. Equipped with a 120mm rifle bearing fan, the unit stays near-silent under light loads and remains quiet even at full load. Inside, 105°C rated industrial-grade capacitors ensure long-term stability, backed by a 7-year warranty. The compact 140mm depth allows easy installation in most mid-tower and full-tower cases.

Compatibility Guide

The RM850e (2025) follows the standard ATX form factor and fits nearly all modern PC cases. The included cable set consists of: 1x 24-pin ATX main cable 2x EPS 12V 8-pin (4+4 pin) cables 1x PCIe 6+2 pin cable 1x 12V-2x6 (12+4 pin) 600W PCIe cable 6x SATA power cables 2x PATA (4-pin) power cables The single 12V-2x6 cable delivers up to 600W, sufficient for high-end graphics cards. However, if your GPU requires multiple 8-pin connectors (e.g., some RTX 4090 variants), you may need additional cables. Dual EPS cables support high-end workstation motherboards, while most gaming builds use only one.

Product Info

The Corsair RM850e (2025) White sits in the upper-mid-range segment, offering modern ATX 3.1/PCIe 5.1 compliance at a competitive price. Cybenetics Gold certification ensures good efficiency, and the 7-year warranty provides peace of mind. Available since early 2025, it retails for around ¥27,000 in Japan (approx. $180 USD), making it a strong value proposition compared to similarly specced units from Seasonic or be quiet!.

Best Use Cases

Mid-range gaming build (RTX 4060 Ti to RTX 4070 SUPER) 850W provides ample headroom for these GPUs plus a modern CPU, with room for future upgrades. The white color scheme complements white-themed cases and components. White-themed PC enthusiast All cables and the PSU chassis are white, creating a clean, uniform look. Fully modular design allows you to use only the cables you need, reducing clutter. Silent workstation for content creation The 120mm fan remains quiet under sustained loads, ideal for video editing or 3D rendering. While not fanless in low load, the noise level is low enough for quiet environments. Budget-conscious builder wanting latest standards ATX 3.1 support means you're ready for next-gen GPUs. The price is competitive with other Gold-rated 850W units, but you get newer connector standards.

Things to Consider

Cable count is limited: only one PCIe 6+2 pin cable and one 12V-2x6 cable. If your GPU needs multiple 8-pin connectors (e.g., RTX 4090 FE with three 8-pin via adapter), you may need to purchase additional cables. The single 12V-2x6 cable can handle 600W, which covers most single GPU setups. Competitors like the Seasonic Focus GX-850 offer similar performance, while Corsair's own RM850x (2024) is slightly quieter but lacks the white color option. The RM850e (2025) is a good balance of modern features and value. For extremely high-power builds (e.g., Ryzen 9 + RTX 5090), 850W might be insufficient; consider a 1000W+ unit. Also, note that the fan does not feature a zero-RPM mode, so it always spins (though very quietly). ## FAQ
Q: Does this PSU support ATX 3.0 or ATX 3.1? A: It supports ATX 3.1, with a native 12V-2x6 connector compliant with PCIe 5.1. Q: Are there other color options besides white? A: Yes, a black variant (CP-9020263-NA) is available. White is the model CP-9020264-NA. Q: Are all cables white? A: Yes, all included cables are white, matching the PSU chassis.

Product Disclosure (Amazon)

  • Manufacturer: CORSAIR
  • Seller: Amazon US
  • Fulfilled by: Amazon US
  • ASIN: B0DZXLK5BY
  • Note: This article covers a manufacturer-made product based on Amazon listing details.