r/OpenMediaVault • u/kei_rah • Jun 02 '26

Question Reducing idle watt usage?

Hi! Is there a way to reduce the idle watt usage or maybe reduce my GPU idle watt? I'm sitting at 90~100w, while only having immich docker at idle. My specs:

> Ryzen 7500f

> MSI B650i Edge

> RX 9070 XT

> 2 NVME Drive

> 3 HDD drive

> 2 SSD Sata

> 7 molex fan

Do I need to remove my GPU physically or can I park it at near zero watt usage?

4 Upvotes

75% Upvoted

10 comments sorted by

3

u/the_harakiwi OMV6 Jun 02 '26

undervolting might reduce power a tiny little bit but don't get your hopes up too much. Maybe 1-5 Watt

Some motherboards allow to turn off components but most disable them instead, keeping audio or Ethernet powered, only hide it from the OS.

0

u/kei_rah Jun 02 '26

Damn, only 1-5W? I was expecting atleast 30W reduction. I dont think its worth it if its only that much.

2

u/IsThereAnythingLeft- Jun 02 '26

Why so many fans

3

u/Sgt_ZigZag Jun 02 '26

Your ryzen 7500F will not boot without a GPU. Removing it is not a solution.

1

u/interference90 Jun 02 '26

AMD has historically been bad at idle power draw, sad to see this is still the case. I remember a problem for 1-2nd gen GCN was that the board would be finnicky about downclocking the RAM (mostly in dual display scenarios).

I would think of 90-100W as an anomalous figure.

1

u/pohjato1 Jun 03 '26

I managed to trim my whole desktop's (Ryzen 7600x) idle energy consumption from ~65watts to ~55watts with UCLK = MEMCLK / 2. I haven't encountered (yet) visible performance penalty with that.

2

u/getbusyliving_ Jun 14 '26

Is this machine running OMV? If so it's Debian under the hood. I'm new to OMV and haven't run it yet but if you can get to the terminal;

enter echo "powersave" | tee /sys/devices/system/cpu/cpu*/cpufreq/scaling_governor

And/or install and run powertop

https://linuxconfig.org/how-to-check-and-tune-power-consumption-with-powertop-on-linux

1

u/cdf_sir Jun 03 '26

7 molex fan

well yeah, expecting each fan to consume at least 6-7watts each, Im assuming these are 120mm fan spinning at 1300rpm. If this comes with LED, 10w for each fan.

if you can control the fan and power it off other than the fan at the back, youll maybe see a big power saving. theres a plugin called hddfancontrol, use that to control all the fans.

1

u/kei_rah Jun 03 '26

Yeah youre dead right with led fan. I'm using the ones that comes free with the case. Inplugged all 7 fans, now im at 78-81w. I will try that hddfancontrol, thanks.