Owners Manual

Figure 8. Inside the system— 12 HDD system

cooling-fan in the cooling-fan assembly (6) 2. processor (2)

3. DIMMs (24) 4. internal USB port

5. HDD backplane (back) 6. vFlash media slot

7. HDD (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. HDD backplane

Cooling shroud

The cooling shroud aerodynamically directs the airflow across the entire system. The airflow passes through all the critical parts of the

system, where the vacuum pulls air across the entire surface area of the heat sink, thus allowing increased cooling.

Removing the cooling shroud

Prerequisites

CAUTION:

Many repairs may only be done by a certified service technician. You should only perform troubleshooting and

simple repairs as authorized in your product documentation, or as directed by the online or telephone service and

support team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. Read and follow

the safety instructions that are shipped with your product.

50 Installing and removing system components