Lexar NM620 512GB PCIe 3.0 NVMe M.2 2280 SSD Storage Capacity: 512 GB
• Sequential Read Speed: 3500MB/s
• Sequential Write Speed: 2400MBs
• Random 4K Read: 200K IOPS
• Random 4K Write: 256K IOPS
• Interface: PCIe Gen3x4
• TBW: 250TB
• MTBF: 1,500,000 Hours
• LNM620X512G-RNNNG
I bought this new and it was not compatible with my laptop. Turns out it is more advanced than my laptop so I am selling it.