I'm planing to place a rack server into a colocation, but given that I'm on a tight budget, I try to estimate the total cost of ownership of the server. The data center where I will rent the colocation from will charge me for the power usage, so I am interested in how many wattage the system might draw under normal usage. However, since I didn't buy the system yet, I can't just measure it.
Is there any way to roughly estimate what such a setup would require? Or, does somebody has some rough experience of the power draw of such (or a similar) system?
The setup would be (a refurbished system of the following components):
- HP ProLiant DL360 Gen9 (with seven built-in fans)
- 2x Intel Xeon E5-2630L V4 (55W TDP)
- 4x 16GB DDR4
- RAID Controller (H240)
- 4x 240GB SATA-3 SSD
- HP Hot-Swap 'Platinum' PSU 500W
I guess under full load the system would draw ~150W (2x 55W for the CPUs + 40W for the other hardware), but how much would such a system draw while idling or just running at 25% load (a more real usage scenario). Any rule of dump or experience is appreciated.