4GB (1x4GB) RAM Memory for Samsung Series S SF310-S01, SF310-S01AU, SF311-S02AU. 1pc of 4GB PC10600 204PIN SODIMM 1333MHZ DDR3 SDRAM. Samsung Series S SF310-S01, SF310-S01AU, SF311-S02AU. Manufactured by Micron, Samsung, Hynex, Elpida. NO EXCEPTIONS!. Condition:: New: A brand-new, unused, unopened, undamaged item in its original packaging (where packaging is applicable). Packaging should be the same as what is found in a retail store, unless the item is handmade or was packaged by the manufacturer in non-retail packaging, such as an unprinted box or plastic bag. See the seller's listing for full details. See all condition definitions : Number of Pins: : 204 , Brand: : Computer Memory Solutions: Capacity per Module: : 4GB , Type: : DDR3 SDRAM: Number of Modules: : 1 , Country/Region of Manufacture: : United States: Total Capacity: : 4GB , MPN: : Does Not Apply: Bus Speed: : 0 , Form Factor: : SO-DIMM: UPC: : Does not apply , 。