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Old workstation as a daily used server - power concerns UK (alien.top)

submitted 11 months ago by Endeavour1988@alien.top to c/homelab@selfhosted.forum

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Hi all, with the dreaded your bills are going up as always come January, I've been looking at an old workstation to purpose as a all in one server. Mainly storage, VM's and my play thing, which has led me to something like a Dell T5600 or HP Z640, some offering 2x Xeon's for little price difference.

Does anyone know how hungry these are on power during low use compared to a modern Ryzen system?

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[–] Waste_Delivery1475@alien.top 1 points 11 months ago

I went down the same path as you. I’m based in the UK to. I ended up getting a Ryzen 5 5650g, an ASUs tuf mainboard, 64gb ecc memory on it. It has 2 12tb spinners that never spin down, 4 500gb ssd and 1 256gb Nvme boot drive. Idles at 55W running windows server 2022. When it does something it jumps up to 100W, so what I did was set the cpu to never exceed 50% cpu speed. The cpu clock goes no higher than 2.6ghz. I have a opnsense vm running which provides the internet to the whole house, bt 900 down 110 up. When cpu is running that slow I can still Speedtest at the expected line rate.

I’d say all in all the build cost me around £400, I had the drives and ssds already.

Im very happy with it. I have a NVIDIA p1000 (gtx 1050 equivalent) and I game on it from time to time. When I do that, I set the cpu to use 100% and it is a great little machine. Very happy.

Best thing I noticed with it was the IPC improvements considers to the Xeon v4 system I had before, and at a lower power consumption.