4GB PC3-12800 DDR3-1600 SoDIMM Memory
PC3-12800 DDR3-1600 SODIMM memory offerings let you upgrade your system's standard memory capacity to improve overall ThinkPad or ThinkCentre system performance. Adding additional memory is a cost-effective way to help boost your system's performance and enhance its ability to run more programs simultaneously.
Lenovo 03X6561, 4 GB, 1 x 4 GB, DDR3, 1600 MHz, 204-pin SO-DIMM
Lenovo 03X6561. Component for: Laptop, Internal memory: 4 GB, Memory layout (modules x size): 1 x 4 GB, Internal memory type: DDR3, Memory clock speed: 1600 MHz, Memory form factor: 204-pin SO-DIMM