4GB

Kingston Technology ValueRAM KVR26N19S6/4. Component for: PC/server, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR4, Memory clock speed: 2666 MHz, Memory form factor: 288-pin DIMM, CAS latency: 19, Product color: Berry, Green

Lenovo 78015713. Component for: Laptop, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR4, Memory clock speed: 2133 MHz, Memory form factor: 260-pin SO-DIMM, CAS latency: 15