Full Details from Amazon.com : http://www.amazon.com/gp/product/B00B2OT9HI?tag=onigi-20<br /><br />16GB (2 X8GB) RAM Memory 4 Lenovo ThinkPad T420 4177 4178 4180 4236 Series<br /><br />204PIN SODIMM <br />DDR3 SDRAM <br />DDR3-PC10600 <br />PC3-1333MHZ <br />2PCS KIT
