Dell Precision 3431 Small Form Factor User Manual

Table 26. Expansion Bus Specifications(continued)
Feature Specification
○ Two x1 Gen 3 : 1GT/s
Wireless
Table 27. Wireless Cards 
Feature Specification
WLAN card
● Intel Wireless-AC 8265 2x2
● Intel Wireless-AC 3165 1x1
● Bluetooth 4.1
NOTE: For optimal performance, it is recommended to use the
wireless display feature with an access point that supports 5 GHz
standard.
Drives
Table 28. Drives
Feature Specification
Internally accessible
● 2.5-inch SATA drive bay
● 3.5-inch SATA drive bay
● M.2 SATA and NVMe SSD
External connectors
Table 29. External Connectors Specifications
Feature Specification
Audio
Front panel
Rear panel
● Universal headset
● Line out connector
Network adapter RJ-45 connector
Serial PS2 and serial connector
USB 2.0
● Front - 2
● Back - 2
● Internal -2
USB 3.1 Gen 1
● Front - 2
● Back - 4
● Internal -0
Video
● 15-pin VGA connector (optional with A-Series APUs and Ryzen
APUs)
● DisplayPort 1.2 (Two optional DisplayPorts, supported only with
A-Series APU and Ryzen APU)
NOTE: Optional VGA port not supported with AMD Athlon Pro
200GE
NOTE: Available video connectors may vary based on the optional graphic board selected.
76 System setup

Dell Precision 3431 Small Form Factor Specifications

General

Brand	Dell
Model	Precision 3431 Small Form Factor
Category	Desktop
Language	English