Dell 5WC10 Installation And Service Manual page 11

Figure 3. Front view of the 32 x 2.5-inch drive tower system
1. Power button
3. iDRAC Quick Sync 2 wireless indicator (optional)
5. System health and system ID indicator
7. USB port (USB 3.0-compliant)
9. Optical drive (optional)
2. Information tag
4. Status LED indicators
6. USB port (USB 2.0-compliant)
8. iDRAC Direct (Micro-AB USB) port
10. Drive slots
Dell EMC PowerEdge T640 overview 11