THSI IS A USED, FULLY TESTED KINGSTON 16GB PC4-2400T (2rx8) SO-DIMM LAPTOP MEMORY MODULE. THIS MEMORY WAS TESTED WITH HP DIAGNOSTICS AND MEMTEST86. PLEASE MAKE SURE YOUR LAPTOP SUPPORTS THIS MEMORY BEFORE BIDDING. FREE SHIPPING BUT  I ONLY SHIP TO THE USA! THANKS FOR LOOKING AND GOOD LUCK!!!