Overview
The 2024 Corsair RM1000x is the current version of Corsair’s best-selling power supply, updated for ATX 3.1. It delivers 1000W of continuous power at up to 50 °C, is Cybenetics Gold certified for efficiency and A-rated for noise, and ships with a native 12V-2×6 cable for RTX 4090 / 5080 / 5090-class graphics cards. Every cable unplugs, so you only run what your build needs. The 140 mm fluid dynamic bearing fan stays off at low loads (Zero RPM mode) and a rear switch lets you force it on. Backed by a 10-year warranty.
Which wattage? 1000W suits RTX 5080 / 5090 builds or any system you plan to upgrade over the next few years. For an RTX 5060 – 5070 build, 750–850W is enough — ask us if you are unsure.
Features
- ATX 3.1 certified — handles GPU power excursions up to 200% for milliseconds without shutting down.
- Cybenetics Gold efficiency, A-rated noise — less heat, lower power bills, under 30 dBA at typical loads.
- Native 12V-2×6 (12+4 pin) — one cable for current NVIDIA cards, no adapters.
- Zero RPM fan mode — 140 mm FDB fan stops completely at low load; manual override switch.
- Fully modular, Type 4 embossed cables — cleaner builds, easier cable management.
- 100% Japanese 105 °C capacitors — rated for 50 °C continuous operation, 100,000-hour MTBF.
- Modern Standby support — fast wake from sleep on current Windows systems.
- 10-year Corsair warranty.
Replacing a power supply? Bring the PC in — we fit it, route the cables and test it, usually same day.