ThinkPad Memory, 4 GB, SO DIMM 204-pin, DDR3, 1066 MHz / PC3-8500, 1.5 V
Lenovo ThinkPad Memory 4 GB SO DIMM 204-pin DDR3, 4 GB, DDR3, 1066 MHz
Lenovo ThinkPad Memory 4 GB SO DIMM 204-pin DDR3. Internal memory: 4 GB, Internal memory type: DDR3, Memory clock speed: 1066 MHz