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. OWC 16GB UPGRADE: Consists of a single 16GB DDR3 1333 PC3-10600 CL9 2Rx4 240-pin 1.5V ECC Registered DIMM Memory RAM Module Upgrade memory module compatible with Supermicro SuperServer models 6036T Series, 6046T Series, 7046A Series, 7046GT Series And 7046T Series. 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 number MEMDR316LSL05ER13.