General InformationKingston memory is designed, manufactured and rigorously tested to meet the exact specifications of each brand name system. It's guaranteed to be compatible and backed by a lifetime warranty and legendary Kingston reliability.Technical InformationMemory Size: 16 GBMemory Technology: DDR4 SDRAMMemory Speed: 2666 MHzMemory Standard: DDR4-2666/PC4-21333Error Checking: ECCDevice Supported: Mobile WorkstationMiscellaneousCompatibility: Lenovo ThinkPad Mobile Workstations: P1 P52 P72