Dell owner manual Cooling shroud, Inside the system-PowerEdge R730xd

7.	expansion-card riser 3	8.	network daughter card
9.	expansion-card riser 2	10.	expansion-card riser 1

11.hard-drive backplane

Figure 20. Inside the system—PowerEdge R730xd
1.	cooling-fan in the cooling-fan assembly (6)	2.	processor (2)
3.	DIMMs (24)	4.	internal USB port
5.	hard-drive backplane (back)	6.	vFlash media slot
7.	hard drive (2) (back)	8.	power supply unit (2)
9.	expansion-card riser 3	10.	network daughter card
11.	expansion-card riser 2	12.	expansion-card riser 1

13.hard-drive backplane

Cooling shroud

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