SK Hynix 512GB M.2 2242 42mm NVMe PCIe Gen 4 x4 TLC SSD (HFS512GEJ4X112N) for ThinkPad ProBook Latitude EliteBook Ideapad Pavilion Laptop Ultrabook Tablet - Internal Solid State Drive (OEM New) Model: HFS512GEJ4X112N Item Specifications: Capacity – 512GB Interface - NVMe PCIe Gen 4 x 4，Keep your SSD running at its peak with Full Power Mode, which drives continuous and consistent high performance Size - 2242 (22x42mm) Connector - M.2 Sequential Read Performance = Up to 5000 MB/s Sequential Write Performance = Up to 4700 MB/s Compatibility: These are for NVMe PCIe M.2 SSDs, Any laptops that use 2242 PCIe NVMe drives, ThinkPad ProBook Latitude EliteBook Ideapad Pavilion Laptop Ultrabook Tablet ***These are NOT compatible in all machines!!!*** Please double check that your machine has a compatible NVMe M.2 slot. It is your responsibility to ensure this works with your system. Drive Type(s) Supported: Internal SSD, SSD (Solid State Drive)