Table 3-1 Computer components and descriptions (continued)
Item Component Spare part number
● Equipped with an Intel Core i3-8145U 2.10-GHz (SC turbo up to 3.90-GHz) dual core
processor (4.0-MB L3 cache, 15 W), a UMA graphics subsystem, and a non-Windows 10
operating system
L36237-001
● Equipped with an Intel Core i3-8130U 2.20-GHz (SC turbo up to 3.40-GHz) dual core
processor (4.0-MB L3 cache, 15 W), a UMA graphics subsystem, and the Windows 10
operating system
L18503-601
● Equipped with an Intel Core i3-8130U 2.20-GHz (SC turbo up to 3.40-GHz) dual core
processor (4.0-MB L3 cache, 15 W), a UMA graphics subsystem, and a non-Windows 10
operating system
L18503-001
● Equipped with an Intel Pentium 4415U 2.3-GHz dual core processor (2.0-MB L3 cache,
15 W), a UMA graphics subsystem, and the Windows 10 operating system
L18502-601
● Equipped with an Intel Pentium 4415U 2.3-GHz dual core processor (2.0-MB L3 cache,
15 W), a UMA graphics subsystem, and a non-Windows 10 operating system
L18502-001
Heat sink (includes replacement thermal material):
(7) For use only on computer models equipped with a graphics subsystem with UMA memory and
7th generation Intel Core processors
L19157-001
(7) For use only on computer models equipped with a graphics subsystem with UMA memory and
8th generation Intel Core processors
L19158-001
(8) For use only on computer models equipped with a graphics subsystem with discrete memory L19156-001
Fan (includes cable):
(9) For use only on computer models equipped with a graphics subsystem with UMA memory L19160-001
(10) For use only on computer models equipped with a graphics subsystem with discrete memory L19159-001
(11) Memory modules (DDR4-2400, 1.2-V):
16-MB 865396-855
8-MB 862398-855
4-MB 862397-855
(12) Solid-state drive:
512-GB, 2280, PCIe, NVMe solid-state drive L18510-001
256-GB, M.2 2280, SATA-3, solid-state drive with TLC L18508-001
256-GB, 2280, PCIe, NVMe solid-state drive L18509-001
128-GB, M.2 2280, SATA-3, solid-state drive with TLC L18507-001
Optane memory module, 2280, PCIe, NVMe, 16-GB L18506-001
(13) WLAN module:
Intel Dual Band Wireless ac 7265 802.11 AC 2×2 Wi-Fi + Bluetooth 4.2 Combo Adapter (non-
vPro)
901229-855
Intel Dual Band Wireless ac3168 802.11 ac 1×1 Wi-Fi + Bluetooth 4.2 Combo Adapter (non-
vPro)
863934-855
Realtek RTL8723DE 802.11 bgn 1x1 Wi-Fi + Bluetooth 4.2 Combo Adapter L21480-005
40 Chapter 3 Illustrated parts catalog