ITEMS DESCRIPTION Features Type: 204-Pin DDR3L Sodimm Capacity: 4GB Speed: PC3L-12800 1600Mhz Timings: CL9 Voltage: 1.35V Buffering/Ecc: Non-ECC Unbuffered Warranty: Lifetime ,If there are any quality problems. Please contact us. we will help you. Buyers note Each memoy is fullly tested before shipping,100% working. Compatible with most of the Laptop (Samsung IBM Dell HP compad Toshiba Etc) Packing List: 4GB PC3L-12800 SO-DIMM memorys * 2