Product description MPN : 63Y1997 Type : Laptop Motherboard Brand : Lenovo Memory_Type : DDR3 Model : Lenovo ThinkPad T420 Condition : Used Fully tested , Item will come as pictured. Item may have slight/minor scratches that will not interfere with its functionality. Number_Of_Memory_Slots : 2 Package Includes : 1x Lenovo ThinkPad T420 63Y1997 rPGA 989 DDR3 SDRAM Laptop Motherboard