Table 6. Ports and connectors (continued)
Description
Back USB
Audio
Memory card reader
Video
Serial
Internal
Expansion
M.2
16
Specifications of Precision 3640 Tower
Values
3640 Tower has two Front I/O offerings: Standard and
Advanced Front I/O
Standard Front I/O USB ports:
● Two USB 2.0 Type A
● One USB 3.2 Type A Gen1, with PowerShare
● One USB 3.2 Type C Gen2, with PowerShare
Advanced Front I/O USB ports:
● One USB 3.2 Type A Gen1
● One USB 3.2 Type A Gen2
● One USB 3.2 Type A Gen2, with PowerShare
● One USB 3.2 Type C Gen2, with PowerShare
NOTE:
PowerShare delivers power only while the system
is in S3 (Standby) state. The S4/S5 (Hibernate or
Powered down) sleep states are not supported.
● Two USB 2.0 Type A (with SmartPower)
● Two USB 3.2 Type A Gen2
● Two USB 3.2 Type A Gen1
● One 3.5 mm headphone jack (Front)
● One Line-out re-tasking Line-in audio port (Back)
NOTE:
SD Media card reader is only included with
Advanced Front I/O configuration.
Push-Pull type with USB 3.0 interface and WORM (Write
Once Read Many) support.
● Two DisplayPort 1.4
● One Optional Port (VGA or HDMI 2.0 or DP1.4 or USB
Type C with DP-Alt mode)
Two PS2 (Legacy for keyboard and mouse)
● One Full-height Gen 3 PCIe x16 slot
● One Full-height Gen 3 PCI slot
● One Full-height Gen 3 PCIe x4 slot
● One M.2 2230 PCIe x1 slot, keyed E for WiFi and Bluetooth
card
● One M.2 2280 PCIe x4, keyed M for solid-state drive
● One M.2 2280 PCIe x4 and SATA slot, keyed M for solid-
state drive
NOTE:
To learn more about the features of different
types of M.2 cards, see the knowledge base article at
https://www.dell.com/support/article/sln301626/.