Dell TDSourcing - DDR4 - 8 GB - SO-DIMM 260-pin - 2133 MHz / PC4-17000 - unbuffered - non-ECC - for Alienware 13 R3, 15 R2, 15 R3, 17 R3, 17 R4, Inspiron 5368, 5378, 7460, 7560, 7566, 7567, 7778, 7779, 3064, 7459, Latitude 3480, 3580, 5280, 5414, 5480, 55