Precision Tower 7920: Visual guide to your Computer
Summary: This article is a visual guide to the external ports and features of the Precision Tower 7920 Workstation and some of it's internal parts as it ships from Dell.
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This article is not tied to any specific product.
Not all product versions are identified in this article.
Symptoms
The following article provides a visual guide to your Precision Tower 7920 Workstation and lists the external ports and features of your PC.
Note: For a more detailed description about each location, please go to the system manuals at www.dell.com/support
Table of Contents:
Front Open View

(Fig.1 Front View)
| 1 | Power Button / Power Status LED | 2 | HDD Status LED |
| 3 | SD Card Slot | 4 | USB 3.1 Gen1 Connector x2 |
| 5 | USB 3.1 Gen1 Type-C Connector with PowerShare | 6 | USB 3.1 Gen1 Type-C Connector |
| 7 | Universal Audio Jack | 8 | Front Bezel Release Latch |
| 9 | 5.25" ODD Bay | 10 | Slimline Optical Bay |
Rear View

(Fig.2 Rear View)
| 1 | Power Supply Unit | 2 | Line-Out Connector |
| 3 | Microphone/Line-In Connector | 4 | Serial Connector |
| 5 | PS/2 Mouse Connector | 6 | PSU BIST LED |
| 7 | PS/2 Keyboard Connector | 8 | Network (NIC) Connector (AMT enable - Optional) |
| 9 | Network (NIC) Connector | 10 | USB 3.1 Gen1 Connector x5 |
| 11 | USB 3.1 Gen1 Type-C Connector with PowerShare | 12 | Expansion Card Slot |
| 13 | PCIe Expansion Card Slots x5 | 14 | Side Cover Release Latch |
| 15 | PCIe Expansion Card Slots (CPU1 required) x3 |
Internal Views

(Fig.3 Internal top View)
| 1 | Motherboard | 2 | CPU and Memory Air Shroud |
| 3 | Intrusion Switch | 4 | Front System Fan Assembly |
| 5 | Front Bezel Lock/Unlock Button | 6 | Auxiliary PCIe Power Cables |
| 7 | Powered Graphical Processing Unit (GPU) | 8 | PCIe Release Latches |
| 9 | Rear HDD Bezel Lock/Unlock Button | 10 | Rear Fans |

(Fig.4 Internal motherboard View)
| 1 | CPU1 Socket | 2 | CPU0 Heatsink |
| 3 | PCIe Holder | 4 | CPU0 Memory Slots |
| 5 | CPU0 Memory Slots | 6 | Coin Cell Battery |
| 7 | Half Length PCIe Graphics Card | 8 | CPU1 Memory Slots |
| 9 | CPU1 Memory Slots |

(Fig.5 Internal shell View)
| 1 | Flex 2 (default is 5.25" and Slim ODD Bay) | 2 | Data Cable and Power Cable for the Slim ODD |
| 3 | HDD Fan Bracket 1 | 4 | Intrusion Switch |
| 5 | Power Distribution and Fan Control Board | 6 | Power Supply unit |
| 7 | Flex 3 (Optional) | 8 | Flex 4 (Optional) |
| 9 | HDD Fan Bracket 0 | 10 | Flex 1 Enclosure |
| 11 | Flex 0 Enclosure |
Additional Info:
- Precision Tower 7920 Customer Replaceable Unit (CRU) part removal guide
- Precision Tower 7920 System Manual
Cause
N/A
Resolution
N/A
Affected Products
Precision 7920 TowerArticle Properties
Article Number: 000125410
Article Type: Solution
Last Modified: 23 May 2024
Version: 5
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