MSI SPATIUM M450 PCIe 4.0 NVMe M.2 500GB

Form factor: M.2 2280; Interface: PCIe Gen4×4, NVMe 1.4 

Controller: Phison E19T; Flash type: 3D NAND

Sequential read speed: up to ≈ 3600 MB/s; write speed: up to ≈ 3000 MB/s

Random IOPS (4 KB): Read ~300,000; Write ~550,000

Endurance: ~ 300 TBW for 500 GB model

Operating temperature: 0-70 °C; Storage temperature: –40-85 °C