HP
AA639A
is compatible in the following HP Models:
HP Workstation xw5000
HP WORKSTATION XW5000 - A8055AV
HP WORKSTATION XW5000 - AA702A
HP WORKSTATION XW5000 - AA704A
HP WORKSTATION XW5000 - AA780A
HP WORKSTATION XW5000 - AA794A
HP WORKSTATION XW5000 - AA795A
HP WORKSTATION XW5000 - AA810A