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This is our second look at the new Corsair RMx platform and the 1000 Watt RM1000x does not disappoint either. The build quality is very high and the adoption of a high-grade FDB (fluid dynamic bearing) fan is always good to see. We think the addition of a control knob to tweak fan speeds is interesting and it could help to reduce noise levels at lower loads, if that is your preference. Like the 850 Watt unit, this power supply is reasonably quiet at high loads and the cooling capabilities of the fan work well.
As mentioned previously, this partnership with Channel Well Technology (CWT) has proven positive for Corsair. The fact they have the extremely talented Jonny Guru working for them now means their designs get better every year. The power supply is well thought-out and put together with 105C-rated capacitors from Japanese brand Nippon Chemi Con used in the primary stage (one is upgraded from 470uF in the RM850x to 560uF here). Soldering quality is just as good as the 850W model and several large heatsinks are placed throughout to deal with heat dissipation.
Technically the RM1000x is rock solid. Ripple suppression is tight, as is load regulation across primary and secondary rails. Efficiency rates well for a Gold rated supply and as I said before, I like how Corsair are ditching the dated 80 Plus system for a focus on the more capable (and reliable) Cybenetics platform. Another positive with the new RMx series is the inclusion of high quality modular cables, some of the best we have seen this year.
The pricing of this power supply is £179.99 in the UK direct from the Corsair website HERE. This is not a budget unit but I feel it is worth the money.
It is worth pointing out that there are previous versions of the RM1000x power supply still being sold online, so make sure you get this latest version. Corsair are standing behind the RM1000x with a 10 year warranty, for peace of mind.
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Pros:
- ATX 3.1 and PCIe 5.1 ready.
- Cybenetics Gold Efficiency certification.
- Tight load regulation.
- Great ripple suppression.
- Low noise until higher loads.
- Fluid dynamic bearing fan.
- 10 year warranty.
- Fully modular.
- Control knob to adjust fan speed.
- Delivers the full 1000 Watts.
Cons:
- It's quite expensive.
KitGuru says: The Corsair RM1000x is just as good as the RM850x power supply. The build quality and modular cabling are both excellent. Technically, ripple suppression is tight and we value the use of low noise, long life fluid dynamic bearing fans inside these units. The new manually controlled fan offers versatile noise control at lower loads, which will be welcomed by a large audience of enthusiast users trying to reduce system noise. The RM1000x comes highly recommended.
