64GB Total. 4pcs 16GB DDR3L, 1600MHz, ECC, CL11, 2R, X4, 1.35V, Registered, DIMM, 240-pin THIS MODULE IS MANUFACTURED BY Computer Memory Solutions LIFETIME WARRANTY BY Computer Memory Solutions
Compatible with: Lenovo
ThinkServer RD440 Maximum Memory: 192GB
Expansions: 6 Socket (s) per CPU 12 Socket (s) using two
CPUs Important: Faster memory will clock down to run at optimal speed and voltage depending on processor model and number of modules installed.