Corsair's iCUE software is Windows-only, so if you've got a Corsair digital PSU in your server you get no monitoring

and no fan control at all. I wanted both, so I built this.

What it does

- Live per-rail voltage, current and power for +12V, +5V and +3.3V

- Total power out, estimated power in, efficiency and load

- VRM and case temperatures, fan RPM

- Every reading has a running min/max and a live sparkline

- Fan control: hand it to the PSU firmware, hold a fixed duty, or drag out a custom curve. Presets for Quiet,

Balanced, Performance and Max

- +12V OCP single/multi rail toggle — single rail means fewer nuisance trips when several drives spin up together

- Text size control, since not everyone's running the same size monitor

Supported PSUs (model is detected automatically)

HX750i, HX850i, HX1000i, HX1000i (2022), HX1200i, HX1200i ATX 3.1, HX1500i, RM650i, RM750i, RM850i, RM1000i

An unrecognised Corsair digital PSU still gets full sensor readings and fan control — only efficiency and load% are

hidden, since those need model-specific data. It shows n/a rather than making a number up.

How it works

Sensors come from the in-kernel corsair-psu hwmon driver, so polling costs no USB traffic and can't collide with

anything else. The only writes to the PSU are fan duty and OCP mode, and only when you click something.

One thing worth knowing: these PSUs can't store a fan curve in firmware — they only accept a fixed duty. So custom

curves are driven from Unraid by a small service that re-applies duty from PSU temperature every 10s. That's exactly

what iCUE does on Windows. Minimum duty is 30%.

It's self-contained — bundles the Python modules it needs, so there's no pip step and no internet needed at install or

boot. Uninstall removes everything and hands the fan back to the PSU firmware.

Install

It's in Community Applications — search for "Corsair PSU Center" in the Apps tab.

Or manually, Plugins → Install Plugin →

https://raw.githubusercontent.com/racoutlaw/corsair-psu-center/main/corsairpsucenter.plg

Then open the CorsairPSUCenter tab.

Fair warning on testing

I've only got an HX1000i, so that's the only model tested on real hardware, on Unraid 7.2.7. The other eleven share

the same detection path and should work, but "should" is doing some heavy lifting there. If you've got a different

HXi or RMi, I'd really like to hear whether it detects properly — especially whether the model name, wattage and

efficiency look right.

Source and issues: https://github.com/racoutlaw/corsair-psu-center

Built on liquidctl (https://github.com/liquidctl/liquidctl), which does the hard part of talking to these PSUs.

GPL-2.0.

Edited July 31Jul 31 by RacOutlaw

First off thanks for the great work! Something I know quite a few of us have wanted.

Would love to use it but keep getting issues installing. Both App store and Manually.

When i do a manual install, copy and paste of the link (I think there were two different links i found for it to github) both give this error.

plugin: installing: corsairpsucenter.plg
Executing hook script: CA_preHook
Clearing Community Applications plugin cache
Executing hook script: pre_plugin_checks
plugin: downloading: corsairpsucenter.plg ... done

Executing hook script: CA_preHook
Clearing Community Applications plugin cache
Executing hook script: pre_plugin_checks
plugin: run failed: '/bin/bash' returned 1
Executing hook script: CA_postHook
Clearing Community Applications plugin cache
Executing hook script: post_plugin_checks

When installing it form the app store I get this

Downloading plugin
plugin: installing: corsairpsucenter.plg
Executing hook script: CA_preHook
Clearing Community Applications plugin cache
Executing hook script: pre_plugin_checks
plugin: run failed: '/bin/bash' returned 1
Executing hook script: CA_postHook
Clearing Community Applications plugin cache
Executing hook script: post_plugin_checks
Plugin installed

Neither one install. No tab, doesn't show as installed. Running the latest 7.3.2 using internal boot off of a pool of 256GB NVMs.

Thanks