Transcend - DDR4 - module - 4 GB - DIMM 288-pin - 2133 MHz / PC4-17000 - CL15 - 1.2 V - unbuffered - non-ECC - for Gigabyte GA-X99, GA-X99-Gaming 5, GA-X99-Gaming 7, GA-X99-Gaming G1, GA-X99M-Gaming 5