OWC 16GB DDR3 1333 PC3-10600 CL9 2Rx4 240-pin 1.5V ECC Registered RDIMM Memory RAM Module Upgrade Compatible with Lenovo System x3550 M3 x3620 M3...

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 compatible with Lenovo System models x3550 M3, x3620 M3, x3630 M3, x3650 M3 And x3850 X5. 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 Lenovo part numbers 03X3813, 0A89413, 03X3813 and 0A89413.