CT2CP102472BD1339 is an 16GB kit consisting of (2) 8GB DDR3 Server modules that operates at speeds up to 1333 MT/s and has a CL9 latency. It is dual voltage and can operate at 1.35V or 1.5VI t is Unbuffered with ECC Error Correction. It conforms to the industry standard UDIMM layout of 240 pins and is compatible with computers that take DDR3 UDIMM memory.