the power supply will fit inside the case, but the power supply CAN NOT connect to the computer without a power port adapter.
Standard ATX, like all the PSU units we have been discussing all have a 24 pin power cable for the motherboard, and likewise standard ATX motherboards have a 20 or 24pin port that will accept the plug.
the motherboard in your server is not standard. the 24 pin plug all these power supplies will not fit into the power port on the motherboard.
https://www.amazon.com/Eyeboot-8-Pin-Supply-Adapter-Motherboards/dp/B01A210HKO
not an endorsement example only shop around.You can see the second picture is the power plug in your pc, the third is a standard ATX.
https://postimg.org/image/ih9xxh0ut/
the red circle is the small power cable
the green is where you can see the pins where a standard 24pin would be
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