DDR4 4GB 2133MHZ = PC4-17000 4GB. DDR4 4GB 2400MHZ = PC4-19200 4GB. DDR4 4GB 2666MHZ = PC4-21300 4GB. DDR4 8 GB 2133MHZ = PC4-17000 8GB. DDR4 8GB 2400MHz = PC4-19200 8GB. DDR4 8GB 2666MHz = PC4-21300 8GB.
Crucial 8GB 16GB 32/64GB DDR4 2133 2400 2666 3200 Laptop SO-DIMM 260-Pin Ram lot
Crucial 2400 2666 3200MHz 4GB 8GB 16GB DDR4 RAM SODIMM Memory For Laptop lot new
Crucial RAM 16GB DDR4-3200 SODIMM CT16G4SFRA32A 1.2V CL22
4GB/8GB/16GB DDR4 2133 2400 2666 3200MHZ DIMM for Desktop 288pin Memory Ram lot
Crucial 8GB (1 x 8GB modules) UDIMM DDR4-2666 Memory (CT8G4DFS8266)
Crucial 16GB DDR4 3200MHz SODIMM Laptop RAM CL22 Memory CT16G4SFRA32A
