OWC 1TB (4x256GB) DDR4 3200 PC4-25600 CL22 8Rx4 288-pin 1.2V ECC Registered RDIMM Memory RAM Module Upgrade Kit Compatible with Supermicro.

ECC REGISTERED UPGRADE: This type of memory is used in Workstations and Servers. It will NOT be compatible with standard desktop computers. Also, it cannot be mixed with UNBUFFERED -or- ECC LOAD REDUCED memory. OWC 1TB UPGRADE: Consists of 4pcs of 256GB DDR4 3200 PC4-25600 CL22 8Rx4 Octal-Rank 288-pin 1.2V ECC Registered DIMM Memory RAM Module Upgrade compatible with Supermicro Motherboard models H12SSW-i N, X12DPG-OA, H11DSi, H11SSL-NC And H12SSW-NT. Compatible with Samsung M393ABG40M52-CAE, Hynix HMAT14JXSRB120N and HMAT14JXSRB122N, and Supermicro MEM-DR425MI-ER32 MAXIMIZE YOUR SERVER: With OWC's ECC Registered Server Memory, you will extend the life of your old infrastructure or save money when building a new one. INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing.