Item Component Spare part number
 128-GB, SATA-3 795956-001
  Solid-state drive (SSD), M.2 (not illustrated):  
 256-GB, M.2 795955-001
(23) WWAN module:
  HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module (for use in the United States and
Canada)
740011-001
  HP lt4111 LTE/EV-DO/HSPA+ Mobile Broadband Module 748021-001
  HP hs3110 HSPA+ Mobile Broadband Module 748599-001
(24) WLAN module:
  Intel Dual Band Wireless-AC 7260 802.11 AC 2x2 WiFi + BT 4.0 Combo Adapterr 710663-001
  Intel Dual Band Wireless-N 7260AN 802.11 a/b/g/n (2x2) WiFi + BT 4.0 combo 717379-001
  Intel Dual Band Wireless-N 7260NB 802.11 a/b/g/n (2x2) WiFi 717380-001
  Intel Dual Band Wireless-N 7260AN 802.11 a/b/g/n (2x2) WiFi + BT 4.0 combo (for use in
Indonesia)
747833-001
(25) Hard drive (does not include hard drive bracket or screws):
  1-TB, 7200-rpm, 9.5-mm 766644-001
  1-TB, 5400-rpm, 2.5-in 778192-001
  750-GB, 7200-rpm, 2.5-in 778191-001
  500-GB, 7200-rpm, 7.0-mm 703267-001
  500-GB, 5400-rpm, 7.0-mm, FIPS 730946-001
  500-GB, 7200-rpm, 7.0-mm, self-encrypting 703268-001
  Hard Drive Hardware Kit (not illustrated, includes hard drive bracket and screws) 734280-001
(26) Optical drive (includes bezel and bracket):
  Blu-ray R/RE DVD±RW SuperMulti Double-Layer Drive 735600-001
  Blu-ray ROM DVD±RW SuperMulti Double-Layer Drive 735599-001
  DVD±RW SuperMulti Double-Layer Drive 735602-001
  Hard drive upgrade bay 734298-001
(27) RTC battery (includes cable and double-sided adhesive) 734300-001
(28) Service cover 734278-001
(29) Battery:
  9-cell, 100-WHr, 3.0-AHr, Li-ion battery 634087-001
  9-cell, 73-WHr, 2.2-AHr, Li-ion battery 634089-001
  8-cell, 83-WHr, 2.8-AHr, Li-ion battery 708456-001
  8-cell, 75-WHr, 2.8-AHr, Li-ion battery 708455-001
24 Chapter 3   Illustrated parts catalog