Eathtek Replacement Keyboard with Backlit for Dell Alienware M14X R1 series Black US Layout, Compatible with part# 02M4NW NSK-AKU01 PK130G81A00 Compatible Model Numbers: Dell Alienware M14X R1 Compatible Part Numbers: 02M4NW NSK-AKU01 PK130G81A00 Replacement and high quality,Replace your faulty, cracked or broken keyboard Each keyboard is tested before shipping All pictures are taken from the real item, please check carefully before bidding.