Super Talent DDR3-1333 SODIMM 4GB Micron Chip Notebook Memory W1333SB4GM, Bulk: Super Talent Laptop memory is designed for compatibility with a wide range of portable computers. Our fully JEDEC compliant SO-DIMMs are built with only the highest quality components. All new products, new component suppliers, and chnology changes are rigorously tested in a multitude of laptop computers in our Compatibility Labs prior to production. Super Talent Laptop memory is 100% tested. Every SO-DIMM module we build is tested at its rated specs to guarantee functionality. Our SO-DIMMs are backed with Super Talent’s lifetime warranty, and are perfect for upgrades. DDR, DDR2, DDR3; SO-DIMM modules up to 2GB.