Eathtek Replacement VGA AC DC JACK USB Board 48.4IF05.021 R4M5T for Dell Inspiron 15r N5110 Vostro 3550 series Compatible Model Numbers: Dell Inspiron 15r N5110 Vostro 3550 Compatible Part Number: 48.4IF05.021 R4M5T Replacement and high quality,Replace your faulty, cracked or broken usb board Each usb board is tested before shipping All pictures are taken from the real item, please check carefully before bidding.