Improve overall performance of selected Think Pad or Think Centre systems by upgrading with additional memory. PC3-10600 DDR3-1333 DDR3 SODIMM memory offers maximum data transfer rates up to 1333MB/sec to help you increased performance of memory intensive applications such as streaming video, graphics & CAD programs. Adding more system memory is one of the least expensive ways to help boost overall system performance & allows more multitasking which saves your valuable time & hassle.