HP ProBook 640 G1 Maintenance And Service Manual page 44

Item Component
Fan and heat sink assembly (includes replacement thermal material):
(19) Fan
(20) Heat sink for computer models with Intel UMA graphics memory
(22) Heat sink for computer models with discrete graphics
(21) Fingerprint reader bracket
(23) Base enclosure (includes 4 rubber feet, battery lock latch, battery release latch, and RJ-45
cover)
For 14-in models
For 15.6-in models
(24) Power connector cable
For use on models equipped with a 15.6–inch display assembly
For use on models equipped with a 14–inch display assembly
(25) Modem (select models only)
(26) WLAN module:
Intel 802.11 2x2 a/b/g/n
Intel 802.11 2x2 a/b/g/n Combo Adapter
Atheros 802.11 b/g/n 1x1
Intel 802.11 2x2 AC + Bluetooth 4.0
Intel 802.11 2x2 AC + Bluetooth 4.0
Intel 802.11 a/b/g/n 2x2 + Bluetooth 4.0 WLAN
Broadcom 802.11 a/b/g/n 2x2 + BT 4.0 LE PCIe+USB HMC WW
Intel 802.11 a/b/g/n 2x2 + BT 4.0 WLAN
(27) Solid-state drive
512-GB SATA-3 SSD
256-GB SATA-3 self-encrypting SSD
180-GB SATA-3 SSD
128-GB SATA-3 SSD
128-GB mSATA-3 SSD
32-GB mSATA flash cache SSD
(28) Hard drive (does not include hard drive bracket or screws):
1-TB, 5400-rpm, 9.5-mm
750-GB, 7200-rpm, 7.0-mm
36 Chapter 3 Illustrated parts catalog
Spare part number
744821-001
740000-001
735601-001
738685-001
738686-001
738393-001
738394
738681-001
738692-001
738694–001
738683–001
628824-001
695915-001
670292-001
690019-001
710661-001
717381-001
710661-001
730668-001
747832-001
738714-001
735598-001
735597-001
735596-001
735595-001
735594-001
676521-001
633252-001