HP ProBook 450 G8 Maintenance And Service Manual page 27

Table 3-1 Computer major component descriptions and part numbers
Item Component
(1) Display assembly
NOTE: Display spare parts are available only as subcomponents. For spare part information, see
Display assembly subcomponents on page
(2) Top cover/keyboard
NOTE: For a detailed list of country codes, see
Not backlit
Backlit, for use in privacy models
Backlit
(3) Power connector cable
(4) Touchpad
NOTE: The touchpad cable is available in the Cable Kit as spare part number M21713-001.
(5) Speaker
Heat sink (includes replacement thermal material)
(6) Discrete graphics models
(7) UMA graphics models
(8) Solid-state drive
1 TB, PCIe, TLC
1 TB, locked
512 GB, PCIe, value
512 GB solid-state drive + 32 GB Optane memory
256 GB, PCIe, value
128 GB, PCIe, TLC
(9) I/O board (includes cable)
NOTE: The I/O board cables are available in the Cable Kit as spare part number M21713-001. The
RJ-45 door is available in the Plastics Kit as spare part number M21714-001.
(10) RTC battery
(11) Bottom cover
For use in models with discrete graphics memory
For use in models with UMA graphics memory
(12) System board (includes integrated processor)
NOTE: All system board spare part kits include replacement thermal material.
All system boards use the following part numbers:
xxxxxx-001: Non-Windows operating systems
xxxxxx-601: Windows operating system
For use in models with discrete graphics
20.
Top cover with keyboard on page
Spare part number
not available as a
spare part
57.
M21740-xx1
M21741-xx1
M21742-xx1
M21725-001
M21999-001
M21723-001
M21717-001
M21716-001
L85348-002
M31024-001
L85364-002
L85366-002
L85354-002
M06792-002
M21712-001
M34737-001
M21721-001
M21720-001
Computer major components 19