Owners Manual
Table Of Contents
- Dell Precision 7820 Tower Owner's Manual
- 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
- System 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
Features Specifications
Slots
● 2 PCIe x 16
● 1 PCIe x 16 wired as x8
● 1 PCIe x 16 wired as x4
● 1 PCIe x 16 wired as x1
● 1 PCI 32/33
Storage specifications
Features Specifications
Externally
Accessible
DVD-ROM; DVD+/-RW 5.25” Bay Options: BD, DVD+/-RW
Internally
Accessible
● M.2 NVMe PCIe SSDs — Up to 4 x 1TB drives on 1 Dell Precision Ultra-Speed Drive Quad x16 cards
● Front FlexBay M.2 NVMe PCIe SSDs —Up to 2 x 1TB drives
● Up to 6 x 2.5” SATA drives
● Up to 5 x 3.5” SATA drives
● Slim ODD
● SAS available with optional controller
External connectors
Features
Specifications
Audio
● Rear—1 x Audio Line in/Microphone
● Rear—1 x Audio Line out
● Front—1 x Universal Audio Jack
Network Rear—1 x RJ45 Network
USB
● Front—4 x USB 3.1 Gen1
● Rear—6 x USB 3.1 Gen1
Serial port Rear—1 x Serial port
PS2
● Rear—1 x Keyboard
● Rear—1 x Mouse
Power specifications
Features
Specifications
Wattage 950 W
Voltage input voltage 100 VAC-240 AC
Physical specifications
Features
Specifications
Height 417.9 mm
Width 176.5 mm
System specifications 101