Part A5864A is compatible in the following Models:

HPE 9000 rp7400 (N-class) Servers

9000 Server - N4000 - A3639A
9000 Server - N4000 - A3639AR
9000 Server - N4000 - A3639B
9000 Server - N4000 - A3639BR
9000 Server - rp7400 - A3639C
9000 Server - rp7400 - A3639CR

HPE e3000 Server series

3000 Server - N4000 - 1-way, 500MHz - A6914CR
3000 Server - N4000 - 3-way, 750MHz - A7014CR