| Upgrade Method | Compatibility | Performance | Difficulty | | :--- | :--- | :--- | :--- | | | 100% compatible. Any brand (Samsung, Crucial, WD, SanDisk). | SATA III (6 Gbps) – Up to 550 MB/s. | Easy (remove bottom cover, swap drive). | | Replace optical drive with 2nd SSD | 100% compatible using a 9.5mm SATA caddy (e.g., from OWC, Nimitz, or generic). | SATA II (3 Gbps) – Slower than main port, but fine for storage. | Moderate (remove one screw, replace drive). |
| Question | Answer | | :--- | :--- | | Can I install an M.2 SSD in the HP ProBook 450 G2? | | | Why not? | The M.2 slot is for a WWAN card (cellular modem), not storage. The BIOS and hardware do not support M.2 SSDs. | | What should I do instead? | Replace the main 2.5" drive with a SATA SSD, and optionally add a second SSD in the optical drive bay. | hp probook 450 g2 m2 ssd compatibility
The is compatible with M.2 SATA SSDs in the 2242 form factor (42mm length) . This specific slot is located near the Wi-Fi card and does not support faster M.2 NVMe/PCIe drives. Compatibility and Specifications | Upgrade Method | Compatibility | Performance |
Some users report that while the BIOS sees the drive, specific Windows installers may require the SATA controller to be in "AHCI" mode for proper detection. Find the right SSD for your HP ProBook 450 G2 What is your primary goal for the upgrade? | Easy (remove bottom cover, swap drive)
HP - ProBook 450 Gen 2 | Specs, reviews and EoL info - InvGate
: Official HP QuickSpecs mention up to 120GB , but users have successfully reported using 240GB drives.
