HP 531824-001 - Chassis top cover (upper case) assembly (IMR) - Contains the touchpad circuit and fingerprint reader Retail
HP 453994-001 - Chassis top cover (upper case) assembly - Contains the touchpad circuit and Fingerprint reader board Retail
HP 498291-001 - Chassis top cover (upper case) assembly - Contains the touchpad circuit and fingerprint reader board Retail
HP 531825-001 - Chassis top cover (upper case) assembly (IMR, Espresso Black) - Contains the touchpad circuit Retail
HP 572478-001 - Chassis top cover (upper case) assembly (IMR, Moonlight White) - Contains the touchpad circuit Retail