32GB Total. 2pcs 16gb DDR4, 2400MHz, ECC, CL17, 2R, X4, 1.2V, DIMM, 288-pin Brand BY Computer Memory Solutions LIFETIME WARRANTY BY Computer Memory Solutions Maximum Memory: 128
GB Expansions: 8 Socket (s) Memory will clock down to run at optimal speeds depending on processor model installed.
Compatible with: ASRock Server Board D1521D4I, D1521D4U-2L+, D1541D4U Series