Part
AB537A
is compatible in the following Models:
HPE 9000 rp8440 Servers
HPE 9000 rp8440 Server - A9958A
HPE 9000 rp8440 Server - A9958AR
HPE PA-8900 Processor series
HPE 9000 rp7420/rp8420 PA8900 1.1GHz Dual CPU - AB537A