64GB Total. 4pcs 16GB DDR4, 2133MHz, ECC, CL15, 1R, X4, 1.2V, Registered, DIMM, 288-pin THIS MODULE IS MANUFACTURED BY Computer Memory Solutions LIFETIME WARRANTY BY MANUFACTURED by Computer Memory Solutions Compatible with: Dell PowerEdge R830 Maximum Memory: 1.50 TB Reg ECC RDIMMs 3 TB LRDIMMs Expansions: 12 Socket(s) per CPU 48 Socket(s) using four CPUs Important: Memory will clock down to run at optimal speeds depending on processor model and number of modules installed. This system supports Registered RDIMM and Load Reduced LRDIMM memory modules. Modules of different memory types CANNOT be mixed within the same system. If only one processor is installed, only 12 DIMM sockets can be populated. With four processors, all 48 DIMM sockets can be populated.

• 288PIN DDR4 ECC REGISTER DIMM
• DDR4-PC1700
• DDR4-PC2133
• 4PCS KIT
• Computer Memory Solutions

288PIN DDR4 ECC REGISTER DIMMComputer Memory Solutions