Dell Inspiron 3781 - Memory; Ports and Connectors

Memory
The following table lists the memory specifications of your Inspiron 3781:
Table 5. Memory specifications
Description Values
Slots
Two SODIMM slots
Type
Dual-channel DDR4
Speed
Up to 2133 MHz
Maximum memory
16 GB
Minimum memory
4 GB
Memory size per slot
4 GB, 8 GB, 16 GB
Configurations supported
● 4 GB DDR4 at 2133 MHz (1 x 4 GB)
● 8 GB DDR4 at 2133 MHz (2 x 4 GB)
● 8 GB DDR4 at 2133 MHz (1 x 8 GB)
● 12 GB DDR4 at 2133 MHz (1 x 8 GB + 1 x 4 GB)
● 16 GB DDR4 at 2133 MHz (2 x 8 GB)
● 16 GB DDR4 at 2133 MHz (1 x 16 GB)
Ports and connectors
Table 6. External ports and connectors
Description Values
External:
Network
One RJ-45 port
USB
● Two USB 3.1 Gen 1 ports
● One USB 2.0 port
Audio
One headset (headphone and microphone combo) port
Video
One HDMI 1.4b port
Media card reader
One SD-card slot
Docking port
Not supported
Power adapter port
One 4.5 mm x 2.9 mm DC in
Security
One security-cable slot (wedge-shaped)
Table 7. Internal ports and connectors
Description Values
Internal:
M.2
● One M.2 slot for Wi-Fi and Bluetooth combo card
● One M.2 2280 slot for solid-state drive or Intel Optane
12 Specifications of Inspiron 3781