OWC 32GB DDR4 2133MHz PC4-17000 CL15 1.2V 288pin Server DIMM ECC Registered memory compatible with Supermicro Motherboard models X10SDV-12C-TLN4F+, X10SDV-16C+-TLN4F, X10SDV-16C-TLN4F, X10SDV-4C-7TP4F and X10SDV-2C-7TP4F. 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 memory. INDUSTRY LEADING: Consumer-friendly Advanced Replacement Program and Limited Lifetime Warranty, which includes Free Tech Support by Other World Computing. 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. Replacement for Supermicro part numbers MEMDR432LHL01ER21, MEMDR432LSL01ER21 and MEMDR432LSV01ER21.