Solid-state drive (SSD)
Description Spare part number
512 GB, PCIe, Gen3×4, SS, NVMe, TLC L21951-001
512 GB, PCIe, Gen3×4, Self-encrypting drive (SED), Opal 2, TLC L21950-001
512 GB, SATA-3, FIPS-140–2, TLC L21949-001
360 GB, PCIe Gen3×4, NVMe,TLC L21948-001
256 GB, PCIe, Gen3x4, SS, NVMe, TLC L21946-001
256 GB, PCIe, NVMe, value L21947-001
256 GB, SATA-3, Opal 2, TLC L21945-001
128 GB, SATA-3, TLC L21944-001
Before removing the solid-state drive, follow these steps:
1. Turn o the computer. If you are unsure whether the computer is o or in Hibernation, turn the
computer on, and then shut it down through the operating system.
2. Disconnect the power from the computer by unplugging the power cord from the computer.
3. Disconnect all external devices from the computer.
4. Remove the bottom cover (see Bottom cover on page 37).
5. Disconnect the battery cable from the system board (see Battery on page 50).
Remove the solid-state drive:
1. Remove the Phillips M2.0×2.0 screw (1) that secures the drive to the system board.
2. Remove the drive by pulling it away from the connector (2).
NOTE: M.2 solid-state drives are designed with notches to prevent incorrect insertion.
Reverse this procedure to install the solid-state drive.
Component replacement procedures 39
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