Computer components

Note:
Figure 1. Component locations
Component locations

1 Power supply assembly 2 M.2 solid-state drive holder
3 M.2 solid-state drive (available on some models) 4 Memory modules*
5 Multi-function bracket in the upper position 6 Front fan assembly
7 Storage drives or a storage-drive-bay cover* 8 Flex bays*
9 Storage drives* 10 Front fan assembly
11 Multi-function bracket in the bottom position 12 Cover presence switch (intrusion switch)
13 Heat-sink-and-fan assembly 1 14 PCIe card*
15 Heat-sink-and-fan assembly 2 (available on some models) 16 Rear fan assembly
17 Direct cooling air baffle  

* Configuration varies by computer models.