Product description MPN : 04Y1290 Type : Laptop Motherboard Brand : Lenovo Memory_Type : DDR3 Model : Lenovo ThinkPad Edge E431 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 04Y1290 ThinkPad Edge E431 rPGA 989 DDR3 Laptop Motherboard