2-Power – DDR4 – module – 16 GB – SO-DIMM 260-pin – 2133 MHz / PC4-17000 – CL15 – 1.2 V – unbuffered – non-ECC – for S400z, S500z, ThinkCentre M700 (Tiny), M700z, M800z, M900 (Tiny), M900x, M900z, X1, E74