Hynix HMT351R7CFR4A-H9T8AD is a 4GB DDR3-1333MHz registered ECC RDIMM designed for enterprise servers and workstations. Part number HMT351R7CFR4A-H9T8AD, 240-pin form factor, PC3-10600 speed grade, CAS latency 9, and 1.35V low-voltage operation. Single rank configuration supports socket-based compatibility with Intel Xeon E5/E5 v2 and compatible AMD systems requiring registered memory with error correction. Typical deployment in 2-socket or 4-socket server builds where memory density and reliability are balanced. This module has been tested and is guaranteed functional, available via quote.