2-power MEM2103A-1066 - 4 GB - 1 x 4 GB - DDR3 - 1333 MHz
OWC DDR3 - kit - 4 GB: 2 x ... DIMM 204-PIN - 1066 MHz / PC3-8500 ...
2-power MultiSpeed 1066/1333/DIMM - 4 GB - DDR3

