RM1000x (RMx Series) Fully Modular Power Supply
#1 in Power Supply · Rated 4.8
High-capacity 1000W PSU with quiet operation and ATX 3.1 readiness
The RM1000x is Corsair's flagship 1000W PSU in the RMx family, delivering dependable power with Gold efficiency and a decade-long warranty. Built on a fully modular platform, it offers clean cabling and flexible installation for contemporary builds that may include PCIe 5.0 GPUs. It features a 140mm low-noise fan with Zero RPM mode for near-silent operation at light to moderate loads, helping to keep a gaming rig quiet in idle or low-usage scenarios. The unit uses high-quality Japanese capacitors and a robust transient response to maintain stability under transient spikes common in modern CPUs and GPUs. This model remains a top choice for enthusiasts upgrading to ATX 3.0/3.1 standards while maintaining Corsair’s renowned support and broad regional availability.
Features
- Fully modular design
- ATX 3.1 compliant
- Zero RPM fan mode
- 10-year warranty
- Japanese capacitors
Pros
- Quiet at idle and light loads
- Excellent cable management and warranty
- Solid build quality
Cons
- Premium price relative to lowest-end PSUs
- Large footprint in compact cases