Part
538620-001
is compatible in the following Models:
HPE ProLiant DL320 G6 Server
HPE DL320 G6 W3520 FIO Kit - 519748-L21
HPE W3520 DL320 G6 FIO Rmkt Kit - 519748R-L21
HPE ProLiant ML330 G6 Server
HPE ML330 G6 W3520 Factory Installed Option (FIO) Kit - 512717-L21