User Manual

For future versions of Windows 10, Dell continues to test the commercial platform with coming Windows 10 releases during device
production and for five years post-production, including both fall and spring releases from Microsoft.
For additional information about N-2 and 5-year Windows operating system supportability, see the Dell Windows as a Service (WaaS), at
Dell support site.
EOML 411
The All-in-One system continues to test the coming Semi-Annual Channel Windows 10 version releases for five years post-production,
including both fall and spring releases from Microsoft.
Memory
Table 6. Memory specifications
Description Values
Slots
Two SO-DIMM slots
Type
DDR4, Non-ECC
Speed
2666 MHz
Maximum memory
64 GB
Minimum memory
4 GB
Memory size per slot
4 GB, 8 GB, 16 GB, 32 GB
Configurations supported
• 4 GB, 1 x 4 GB, DDR4, 2666 MHz
• 8 GB, 1 x 8 GB, DDR4, 2666 MHz
• 8 GB, 2 x 4 GB, DDR4, 2666 MHz
• 16 GB, 1 x 16 GB, DDR4, 2666 MHz
• 16 GB, 2 x 8 GB, DDR4, 2666 MHz
• 32 GB, 2 x 16 GB, DDR4, 2666 MHz
• 32 GB, 1 x 32 GB, DDR4, 2666 MHz
• 64 GB, 2 x 32 GB, DDR4, 2666 MHz
Ports and connectors
Table 7. External ports and connectors
Description Values
External:
Network
One RJ-45 Port 10/100/1000 Mbps (rear)
USB
• One USB 3.2 Gen 1 Type-C port (side)
• One USB 3.2 Gen 1 Type-A port with PowerShare (side)
• Two USB 2.0 ports with Smart Power On (rear)
• Two USB 3.2 Gen 1 Type-A ports (rear)
Audio
• One Universal audio jack (side)
• One Line-out audio port (rear)
Video
One DP++ 1.4/HDCP 2.3 port (rear)
Media card reader
One SD 3.0 card slot
Specifications of Dell Optiplex 3280 All-in-One 21