| Feature | M.2 2242 SSD (WWAN slot) | 2.5-inch SATA SSD | |---------|--------------------------|--------------------| | Compatibility | Poor (rare drives only) | Excellent (all brands) | | Max Capacity | 128GB (practically) | 2TB+ | | Max Speed | ~350 MB/s | ~550 MB/s | | Boot Support | Unreliable | Native guaranteed | | Price per GB | $0.80–$1.50 | $0.05–$0.10 | | Recommendation | ❌ Avoid | ✅ Strongly recommended |
This is the most common mistake upgraders make. The M.2 slot in the 450 G2 is electrically wired for SATA III, not PCIe/NVMe. hp probook 450 g2 m2 ssd compatibility
This is where most users go wrong. The M.2 slot on the ProBook 450 G2 is NOT NVMe compatible. It uses the older SATA III protocol (6Gbps) over the M.2 physical connector. | Feature | M
Verdict: Only M.2 2280 (22mm wide, 80mm long) SATA SSDs will work. Your slot likely has a screw standoff at the 80mm position. This is the most common mistake upgraders make