Crucial 16GB DDR4 2400 MHz UDIMM Memory Kit (2 x 8GB) 16GB (2 x 8GB) Capacity, 2400 MHz Clock Speed, PC4-19200, 288-Pin UDIMM, 1.2V, CL=17, Unbuffered, Non-ECC, Single Ranked, x8 Based, 1024 Meg x 64 COMPUTER MEMORY-Computer Memory