Skip to main content
Sign Out

Welcome to Dell

My Account
  • Place orders quickly and easily
  • View orders and track your shipping status
  • Enjoy members-only rewards and discounts
  • Create and access a list of your products
  • Manage your Dell EMC sites, products, and product-level contacts using Company Administration.
Sign In Create an Account Dell Financial Services Premier Sign In Partner Program Sign In
Contact Us

Your Dell.com Carts

Dell Precision Tower 3420 Owner's Manual

PDF

System board components

Figure 1. Components of the system board
  1. PCI Express x16 Gen 3 slot
  2. PCI Express x4 slot
  3. USB 2.0 with network connector
  4. USB 3.0 connector
  5. PS2 keyboard/mouse connectors
  6. serial port connector
  7. 2 x DisplayPort connector
  8. HDMI connector
  9. Line-Out connector
  10. P2 power connector
  11. intrusion switch connector
  12. VGA connector
  13. CPU socket
  14. CPU fan connector
  15. memory slot
  16. SATA or PCIe SSD Slot
  17. front power-switch connector
  18. debug connector
  19. SD Card Reader (optional)
  20. front panel power LED indicator
  21. system fan connector
  22. audio connector
  23. USB 2.0 connector
  24. USB 3.0 connector
  25. 8-pin power connector
  26. SATA 0 connector (Blue color)
  27. SATA 2 connector(Black color)
  28. password reset jumper
  29. service mode jumper connector
  30. speaker connector
  31. SATA power connector
  32. CLINK header for Intel WiFi add-in-card
  33. SATA 1 connector (White color)
  34. CMOS coin cell battery
  35. Debug connector
  36. Thunderbolt connector
  37. CMCLR jumper

Rate this content

Accurate
Useful
Easy to understand
Was this article helpful?
0/3000 characters
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please provide ratings (1-5 stars).
  Please select whether the article was helpful or not.
  Comments cannot contain these special characters: <>()\