. However, user reports suggest larger capacities (like 240GB or 512GB) may work as long as they are the correct SATA 2242 format. Secondary Upgrade Option
On many laptops of this generation, the M.2 slot shares a SATA channel with the primary 2.5-inch drive bay. hp probook 450 g2 m2 ssd compatibility
features a dedicated M.2 slot that is primarily intended for a cache drive but can be used for a bootable SSD. However, its compatibility is highly specific and often misunderstood due to its age and transitionary technology. reviews and EoL info - InvGate
: Official HP QuickSpecs mention up to 120GB , but users have successfully reported using 240GB drives. hp probook 450 g2 m2 ssd compatibility
HP - ProBook 450 Gen 2 | Specs, reviews and EoL info - InvGate