Pc3 12800 ddr3l 1600 sodimm memory offerings are low voltage version of sodimm memory that let you upgrade your system39s standard memory capacity to improve overall thinkpad or thinkcentre system performance adding additional memory is a cost effective way to help boost your system39s performance and enhance its ability to run more programs simultaneously memory memory layout modules x size 1 x 8 gb internal memory 8 gb component for notebook memory form factor 204 pin so dimm memory cloc