PowerEdge 840  support both 32bit and 64bit operating system. 
I am trying to figure out if this old processor is 32 or 64bit Quad-Core Intel® Xeon® processor X3210, 2x4MB Cache, 2.13GHz, 1066MHz FSB My intention is to install Debian 10 on this computer and want to know which version i should install. TIA
Dell PowerEdge PE840 (PE48401) 32bit or 64bit?