Keep your original 2.5-inch mechanical hard drive or a cheaper, high-capacity 2.5-inch SATA SSD in the main drive bay for mass storage of media, documents, and backups.
2242 Size. The slot only accommodates drives that are 22mm wide and 42mm long. The standard 2280 drives found in most modern PCs will not physically fit.
This is finicky. Most users give up and just buy a large SATA SSD.
The most reliable upgrade is replacing the primary HDD with a standard 2.5-inch SATA SSD like the Samsung 860 EVO. hp probook 450 g2 m2 ssd compatibility
The most common M.2 SSDs found online are 2280 (80mm long). These in the ProBook 450 G2 because the mounting screw hole is positioned too close to the connector for 80mm drives. You must specifically look for the 2242 (42mm) size. 2. SATA-3 vs. NVMe (PCIe)
A: No. The motherboard standoff is fixed at 42mm length (2242). A longer drive will not physically fit.
Not supported. If you install an NVMe drive, the laptop BIOS will not recognize it, and it will not boot. Keep your original 2
To ensure compatibility, your M.2 SSD must meet these three criteria:
SATA Only. The motherboard does not support NVMe (PCIe) drives. If you buy an NVMe SSD, the laptop will not recognize it.
Install a lower-capacity SSD (128GB - 512GB) to serve exclusively as your primary boot drive ( drive) for the operating system and critical applications. The standard 2280 drives found in most modern
Loosen the captive screws securing the large plastic service cover on the bottom of the laptop.
Shut down the laptop, unplug it, and remove the battery.
However—and this is where hope emerges— some users have successfully booted from this slot using very specific, rare SSDs that identify as SATA devices over a B-keyed connector.