Owners Manual

Table 6. External ports (continued)
Description Values
Media-card reader
One SD-card slot
Power-adapter port
NA
Security-cable slot
NA
Internal slots
The following table lists the internal slots of your Precision 3650 Tower.
Table 7. Internal slots
Description Values
Expansion
One full-height Gen 4 PCIe x16 slot
One full height PCI-32 (legacy) slot
One full-height Gen 3 PCIe x4 slot open ended
SATA
Four SATA slots for 2.5-inch Hard disk drive/Solid-state
drive/Optical Disk Drive
M.2
Two M.2 2280 slot for solid-state drive with Intel Core i3
processors
Three M.2 2280 slot for solid-state drive with Intel Core
i5/i7/i9/Xeon processors
NOTE: To learn more about the features of different
types of M.2 cards, see the knowledge base article
SLN301626 at www.dell.com/support.
Communications
Ethernet
Table 8. Ethernet specifications
Description Values
Model number
Ethernet controller integrated on system board
NOTE: Optional 2.5GbE RJ-45 available at the time of
purchase
Transfer rate
10/100/1000 Mbps
NOTE: 2.5 Gbps speed available with the optional 2nd
RJ-45 port.
Wireless module
Table 9. Wireless module specifications
Description Values
Model number
Qualcomm QCA6174a Intel Wi-Fi 6 AX210
16 Specifications of Precision 3650 Tower