HP 593876-001 - Palm rest - Includes fingerprint reader board and cable - For use with 6440b models equipped with a fingerprint reader Retail
HP 819789-001 - USB and SD card reader board - Includes connector cable - For use in models with an Intel Braswell processor Retail
HP 740151-001 - USB board - Includes media card reader slot and connector cable - For use in models not equipped with WWAN Sale $29.00 Retail $49.00
HP 593867-001 - TouchPad assembly - Includes TouchPad board cable and TouchPad button board cable - For use with 6440b models Retail
