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Table 6. Memory specifications (continued)
Description
Maximum memory
Minimum memory
Memory size per slot
Configurations supported
Ports and connectors
Table 7. External ports and connectors
External:
USB
Audio
Video
Media card reader
Docking port
Power adapter port
Security
Table 8. Internal ports and connectors
Internal:
M.2
12
Specifications of Inspiron 5490
Values
16 GB
NOTE:
In computers shipped with 4 GB on-board
memory, the maximum memory configuration is 20 GB
(4 GB on-board + 1 x 16 GB in SODIMM slot).
4 GB
4 GB, 8 GB, and 16 GB
•
4 GB (4 GB on-board)
•
4 GB (1 x 4 GB in SODIMM slot)
•
8 GB (4 GB on-board + 1 x 4 GB in SODIMM slot)
•
8 GB (1 x 8 GB in SODIMM slot)
•
12 GB (4 GB on-board + 1 x 8 GB in SODIMM slot)
•
16 GB (1 x 16 GB in SODIMM slot)
•
20 GB (4 GB on-board + 1 x 16 GB in SODIMM slot)
•
Two USB 3.1 Gen 1 ports
•
One USB 2.0 port
•
One USB 3.1 Gen 1 (Type-C) port with Power Delivery/
DisplayPort
One headset (headphone and microphone combo) port
One HDMI 1.4b port
One microSD-card slot
N/A
4.5 mm x 2.9 mm DC-in
One security-cable slot (wedge-shaped)
•
One M.2 2230 slot for WiFi and Bluetooth combo card
•
One M.2 2230/2242/2280 slot for either a solid-state drive or
an Intel Optane memory with solid-state storage
NOTE:
To learn more about the features of different
types of M.2 cards, see the knowledge base article
SLN301626.