PC3-12800 DDR3L-1600 SODIMM memory offerings are low voltage version of SODIMM memory that 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.• Choice of available memory sizes for DDR3L SODIMM memory • Choice of single-pack • Lower power consumption than PC3-12800 DDR3-1600 memory • Test-proven 100% compatibility listed for supported systems • Meets stringent Lenovo reliability standards for memory products • Lenovo limited warranty • Lenovo memory installed in a new Lenovo system automatically assumes system warranty