HP ProBook 450 G2, Maintenance And Service Manual, Page: 51 / 169

Hard drive
Description Spare part number
Hard drives
1.5-TB, 5400-rpm, 9.5 mm 747375-001
750-GB, 7200-rpm (HP 450 model only) 778191-001
750-GB, 5400-rpm 778190-001
500-GB, 7200-rpm 778189-001
500-GB, 5400-rpm 778186-001
500-GB, 5400-rpm, 7 mm, hybrid (8-GB SSD) 732000-001
320-GB, 5400-rpm 645088-001
Solid-state drives
256-GB Solid-state drive, TLC, for use in HP 450 models 817630-001
128-GB Solid-state drive, TLC, for use in HP 450 and HP 455 models 822214-001
128-GB Solid-state drive for use in HP 450 models 778175-001
128-GB Solid-state drive for use in HP 455 models 773069-001
120-GB Solid-state drive, M.2, for use in HP 450 models 768469-001
Before removing the hard drive, follow these steps:
1. Shut down the computer. If you are unsure whether the computer is off or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect all external devices connected to the computer.
3. Disconnect the power from the computer by first unplugging the power cord from the AC outlet, and
then unplugging the AC adapter from the computer.
4. Remove the battery (see Battery on page 36 ).
5. Remove the large service door (see Service door on page 37 ).
To remove a hard drive:
1. Remove the 4 Phillips PM2.5×3.0 screws (1) that secure the hard drive to the chassis.
2. Slide the hard drive (2) away from the center of the computer to disengage it from the connector.
Component replacement procedures 39