User Manual

Operating system
Your Optiplex 5490 supports the following operating systems:
● Windows 11 Home, 64-bit
● Windows 11 Home National Academic, 64-bit
● Windows 11 Pro, 64-bit
● Windows 11 Pro National Academic, 64-bit
● Windows 10 Home, 64-bit
● Windows 10 Pro, 64-bit
●
Windows 10 Home National Academic, 64-bit
● Windows 10 Pro National Academic, 64-bit
● Windows 10 Pro Education, 64-bit
● Windows 10 IoT Enterprise 2019 LTSC (OEM only)
● Windows 10 CMIT Government Edition, 64-bit (China only)
● Ubuntu 20.04 LTS, 64-bit
● Kylin Linux Desktop version 10.1 (China only)
Memory
The following table lists the memory specifications of your Optiplex 5490.
Table 6. Memory specifications
Description Values
Memory slots
Two SoDIMM slots
Memory type
DDR4
Memory speed
● 3200 MHz (for 11
th
Generation i3/i5/i7 processors)
● 2933 MHz (for 10
th
Generation i7 processors)
● 2666 MHz (for 10
th
Generation Pentium/i3/i5 processors)
Maximum memory configuration
64 GB
Minimum memory configuration
4 GB
Memory size per slot
4 GB, 8 GB, 16 GB, 32 GB
Memory configurations supported
● 4 GB, 1 x 4 GB, DDR4
● 8 GB, 1 x 8 GB, DDR4
● 8 GB, 2 x 4 GB, DDR4
● 16 GB, 1 x 16 GB, DDR4
● 16 GB, 2 x 8 GB, DDR4
● 32 GB, 1 x 32 GB, DDR4
● 32 GB, 2 x 16 GB, DDR4
● 64 GB, 2 x 32 GB, DDR4
Memory configuration matrix
The following table lists the memory configurations supported for your OptiPlex 5490 All-in-One.
Table 7. Memory configuration matrix
Configuration Slot
Specifications of Optiplex 5490 23