PC3-12800 DDR3-1600 SODIMM memory offerings let you upgrade your system's standard memory capacity to improve overall Think Pad or Think Centre system performance. Adding additional memory is a cost-effective way to help boost your system's performance & enhance its ability to run more programs simultaneously. • Increased performance over PC3-10600 DDR3-1333 memory • Test-proven 100% compatibility listed for supported systems • Meets stringent Lenovo reliability standards for memory products