The Dell OEM power supply unit is a standard ATX form factor power supply.
As long as the PSU you select is at least a minimum of 400 Watts or greater with a minimum +12 Volt current rating of 24 Amps it should work.
The Corsair Builder Series CX600 (CMPSU-600CX) that you have linked to has recently been discontinued and is being/ has been replaced by the Corsair Builder Series CX600 V2 (CMPSU-600CXV2)
that is 80 PLUS® Certified and with a 3 Year warranty instead of the discontinued model's 2 Year warranty.
The two Seasonic built Antec PSUs that @mosox
listed are also good units and are both 80 PLUS® Certified with 3 Year warranty.