- Notes, cautions, and warnings
- Chassis
- Working on your computer
- Removing and installing components
- Screw size list
- Recommended tools
- Power supply unit (PSU)
- Side cover
- Front bezel
- Hard Disk Drive bezel
- Hard disk drive assembly
- NVMe Flexbay
- Slim Optical Disk Drive
- Front input and output bezel
- 5.25 inch ODD bracket
- Front input and output panel
- Input and output panel bracket
- VROC module
- Intrusion switch
- Internal chassis speaker
- Air shroud
- Memory
- Graphical processing unit(GPU)
- Coin cell battery
- Center System fan/HDD fan
- Fan bracket
- PCIe holder
- Rear system fan
- Front system fan
- Processor heat sink module
- System board
- Technology and components
- System specifications
- System Setup
- Software
- Troubleshooting
- Contacting Dell
Dell Precision 7820 Tower Owner's Manual
Major components of your system
This section illustrates the major components of your system along with its location.
- Side cover
- PCIe holder
- Internal chassis speaker
- Intrusion switch
- 5.25 inch ODD bracket
- System fan
- NVMe Flexbay
- Front input and output panel
- Front input and output bezel
- Front bezel
- Hard Disk Drive bezel
- Computer chassis
- System board
- Memory
- Processor
- Heat sink and CPU fan assembly
- System fan
- Front system fan
- Power supply unit (PSU)
NOTE:Dell provides a list of components and their part numbers for the original system configuration purchased. These parts are available according to warranty coverages purchased by the customer. Contact your Dell sales representative for purchase options.
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