Skip to main content
  • 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

Precision Tower 3420 Visual Guide to Your Computer

Summary: The following article provides a visual guide to your Dell Precision Tower 3420 Computer and lists the external ports and features of your personal computer.

This article applies to This article does not apply to This article is not tied to any specific product. Not all product versions are identified in this article.

Instructions


Note: For a more detailed description about each location, go to the system manuals at www.dell.com/support.
 

Table of Contents:

  1. Front View
  2. Rear View
  3. More Info:

 

1. Front View

 

SLN305205_en_US__1Precision 3420 frontview

(Fig. 1)

 

1 Power button 2 Optical drive
3 SD card reader (Optional) 4 Headset connector
5 USB 2.0 connector with PowerShare 6 USB 2.0 connector
7 USB 3.0 connectors x2    

 

2. Rear View

 

SLN305205_en_US__2Precision 3420 backview

(Fig. 2)

 

1 Line-out connector 2 HDMI connector
3 DisplayPort connector 4 Serial port connector
5 PS/2 keyboard connector 6 USB 3.0 connectors x4
7 USB 2.0 connectors (supports ACPI S5 makeup) x2. 8 Expansion-card slots
9 Power-cable connector 10 Power-supply diagnostic button.
11 Power-supply diagnostic light. 12 Padlock ring
13 Security cable slot 14 Network connector
15 PS/2 mouse connector 16 VGA port connector (Optional)
17 DisplayPort connector 18 Release latch
19 Cable-cover lock slot    

 

3. More Info:

 


Affected Products

Dell Precision Tower 3420
Article Properties
Article Number: 000132786
Article Type: How To
Last Modified: 18 July 2023
Version:  5
Find answers to your questions from other Dell users
Support Services
Check if your device is covered by Support Services.