HP 438169-001 - Top cover (chassis top) - Includes touchpad and smart card reader - For models without fingerprint reader Retail
HP 686965-001 - Upper CPU cover (chassis top) - Includes TouchPad and pointing stick buttons but not a fingerprint reader Retail
HP 594099-001 - Upper CPU cover (chassis top) - With integrated Touchpad, smart card reader, and fingerprint reader - For use with the HP EliteBook Retail
HP 686964-001 - Upper CPU cover (chassis top) - Includes TouchPad, pointing stick buttons, and fingerprint reader Retail
HP 451723-001 - Upper CPU cover (chassis top) - Includes TouchPad - Does NOT include fingerprint reader board Retail