This is the I/O Circuit Boardwith Audio ports and two USB 3.0 ports for the Dell Inspiron M511R / M5110 motherboard. 
Compatible Dell Laptops/Notebooks:
Inspiron M511R (M5110)
Dell Part Number: NHXRJ
Alternate Part Number found on board:
554IE0209
55.4IE02.091G
1G127006
52KS1A
48.4IE05.011
DQ15 AMD IO BOARD
10697-1