CT2CP102464BA1339 is a 16GB kit consisting of (2) 8GB DDR3 Desktop module that operates at speeds up to 1333 MT/s and has a CL9 latency. It is Unbuffered and is non-ECC. It conforms to the industry standard UDIMM layout of 240 pins and is compatible with computers that take DDR3 UDIMM memory.