16GB Total. 2pcs 8gb DDR4, 2400MHz, ECC, CL17, 2R, X4, 1.2V, DIMM, 288-pin Brand BY Computer Memory Solutions LIFETIME WARRANTY Maximum Memory: 256 GB with ECC RDIMMs Or 512 GB with
LRDIMMs Expansions: 8 Socket (s) Memory will clock down to run at optimal speeds depending on processor model installed. This system supports Registered ECC (RDIMM) or Load Reduced (LRDIMM) memory. Mixing RDIMM and LRDIMM is not supported within this system.
Compatible with: Supermicro Motherboard H11SSL-C, H11SSL-i, H11SSL-NC MBD-H11SSL-C; MBD-H11SSL-C-B; MBD-H11SSL-i; MBD-H11SSL-i-B; MBD-H11SSL-NC; MBD-H11SSL-NC-B