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 32GB UPGRADE: Consists of a single 32GB DDR4 2400 PC4-19200 CL17 2Rx4 288-pin 1.2V VLP ECC Registered DIMM Memory RAM Module Upgrade compatible with Supermicro SuperBlade models 4129P-T3N, 4429P-T2N, 6119P-C3N, 6119P-T3N And 6119PW-C3N. 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 MEMDR432LCL02ER24, MEMDR432LCV01ER24, MEMDR432LCV02ER24, MEMDR432LHL01ER24, MEMDR432LHL02ER24, MEMDR432LSL01ER24, MEMDR432LSL02ER24 and MEMDR432LSV01ER