California · Tom's Hardware
Corsair RM1000e (2026) ThermalProtect power supply review
Compiled by KHAO Editorial — aggregated from 1 source. See llms.txt for citation guidance.
◌ Single Source
Corsair has been selling power supplies for long enough that most builders have owned one without ever thinking about it.
Key facts
- The badge strip along the bottom is the interesting part: Cybenetics Platinum, Cybenetics LAMBDA A, ATX 3.1 with PCIe 5.1 and 12V-2x6, and an Nvidia 50 Series Ready sticker
- The RM1000e averaged 91.7% at 230 VAC and 89.7% at 115 VAC, with the 230 VAC curve peaking around 93.2% between 300W and…
- At 25°C ambient, the RM1000e averaged 92.4% at 230 VAC and 90.4% at 115 VAC across the nominal load range
- You get a 610mm 24-pin, two 750mm EPS 4+4 leads, the 650mm ThermalProtect 12V-2x6, a 650mm 12V-2x6-to-dual-8-pin PCIe cable, two single 650mm 8-pin PCIe leads, a four-connector SATA cable and a mixed
Summary
It has been nearly two decades since its first PSU launch, and today its PSU catalog runs from small SFX units up to 2000W flagships. The RMe line is the mainstream series of Corsair’s huge lineup, sitting below the RMx and a longer way below the HXi and AXi units. The 2026 version launched on the 18th of August and brings one significant change, which is the 12V-2x6 cable. The team take a closer look at the Corsair RM1000e (2026) ThermalProtect to ascertain whether it ranks among the best power supplies in the PSU market today. 100 - 240 VAC, 50 - 60 Hz. The box is the yellow-and-black theme Corsair has used for years, with the modular panel photographed on the front and "with ThermalProtect" under the model name.