External ports
T
he following table lists the external ports of your Precision 3561.
Table 6. External ports
Description Values
Network port
One RJ-45 port
USB ports
● O
ne USB 3.2 Gen 1 port
● One USB 3.2 Gen 1 port with PowerShare
● Two USB4.0 Type-C port with DisplayPort 2.0 port/Power
Delivery/Thunderbolt
Audio port
One Universal Audio Jack
Video port
One HDMI 2.0 port
Media-card reader
One microSD card slot
Power-adapter port
DC-in USB Type-C
Security-cable slot
One Wedge-shaped lock slot
Internal slots
T
he following table lists the internal slots of your Precision 3561.
Table 7. Internal slots
Description Values
M.2
● T
wo M.2 2230 slots for solid-state drive 128 GB/256
GB/512 GB
● Two M.2 2280 slots for solid-state drive 256 GB/512 GB/1
TB/2 TB
● Two M.2 2280 slots for Self-Encrypting solid-state drive
256 GB/512 GB /1 TB
● One M.2 2280 slots for 32 GB Intel® Optane™ Memory +
512 GB QLC 3D NAND
NOTE:
Intel® Optane™ Memory requires Gen 3
storage through Platform Controller Hub
● O
ne SATA slot for 7mm HDD 500 GB/1 TB/2 TB
NOTE:
To learn more about the features of different
types of M.2 cards, see the knowledge base article
000144170 at www.dell.com/support.
Wireless module
T
he following table lists the Wireless Local Area Network (WLAN) module specifications of your Precision 3561.
Table 8. Wireless module specifications
Description Option one Option two Option three
Model number
Qualcomm QCA61x4A Intel AX201 Intel AX210
Specifications of Precision 3561 11
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