I am currently running an RPI 4b+ for a home server.

I was able to obtain a small PC with an i5 4690 in it. It has a 300W Be Quite! PSU and a Gigabyte GA-H97M MOBO. I would like to move my stuff from the RPI to this machine, as it has much more slots for HDDs.

For the sake of argument lets imagine I plug 4x4TB HDDs and 1 500mb SSD for the OS and run an Ubuntu LTS on it.

How much average electricity usage am I facing per month in kW/h? How much more would it be compared to the RPI which now has an external 1 TB HDD attached to it over USB?

Thanks a lot!

  • mrln_bllmnnBEnglish
    1·
    1 year ago

    I run various haswell i5 hosts, one of them has 84 watts tdp.

    i5 4460, 4x 4GB, 1x sata ssd, 2x dual port gigabit lan pcie card. Whole thing draws < 50 watts with 10 % cpu load.

  • InfaSynBEnglish
    1·
    1 year ago

    Would guestimate the PC (with no GPU) to pull maybe 100w assuming an average load of 20 ish percent. - 40 of this would come from drives (about 10w each).

    This would be about 2.4kwh/day or in the UK, around £0.70 on a cheap tariff (or £255 a year). Obviously these figures vary massively depending on power cost per kwh in your region