55Y3711 - Lenovo 4GB DDR3-1333MHz PC3-10600 non-ECC Unbuffered CL9 204-Pin SoDimm 1.35V Low Voltage Memory Module

PC3-10600 DDR3-1333 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. Choice of available memory sizes for DDR3 UDIMM memoryChoice of single-pack and 25-packWhen comparing 25-pack to 25 individual packs:Reduces corrugated shipping carton materials by 70%  All 25 anti-static ESD plastic bags are eliminated24 or 25 warranty/safety booklets are eliminatedQuickly open a single 25-pack versus 25 individual cartonsIncreased performance over PC3-8500 DDR3-1066 memoryTest-proven 100% compatibility listed for supported systemsMeets stringent Lenovo reliability standards for memory productsLenovo limited warrantyLenovo memory installed in a new Lenovo system automatically assumes system warranty