HP
733483-001
is compatible in the following HP Models:
DDR3 Memory
HP 4GB (1x4GB) DDR3-1866 ECC RAM - E2Q91AAR
HP 4GB (1X4GB) DDR3-1866 MHZ ECC RAM - E2Q91AA
HP 4GB (1X4GB) DDR3-1866 MHZ ECC RAM - E2Q91AT