Precision 3650 spec
precision-3650-spec-sheet.pdf (delltechnologies.com)
I/O Ports:
Front:
Front of the chassis has 2 I/O offerings - Standard and Advanced with following differences in USB and SD card reader. (Availability depends on chassis selection and region)
Standard offering - 2x USB 2.0 Type A 1x USB 3.2 Type A Gen1 (5Gbps), with PowerShare 1x USB 3.2 Type CTM Gen2 (10Gbps), with PowerShare No SD card reader
Advanced offering - 1x USB 3.2 Type A Gen1 (5Gbps) 1x USB 3.2 Type A Gen2 (10Gbps)
Advanced offering - 1x USB 3.2 Type A Gen2 (10Gbps), with PowerShare 1x USB 3.2 Type CTM Gen 2x2 (20Gbps), with PowerShare With SD card reader
Other Front ports - 1x 3.5mm headphone jack with microphone
Rear:
Starting from top, going left to right 2x DisplayPortTM 1.4 2x PS2 (Legacy for keyboard and mouse) 2x USB 2.0 Type A (with SmartPower) 1x RJ45 Network Connector 1x USB 3.2 Type A Gen2 (10Gbps) 2x USB 3.2 Type A Gen1 (5Gbps) 1x Audio Line out
Chassis :
1x Optional Port (VGA, HDMI 2.0, DP1.4 with 5K display support, Type C w/DP-Alt mode)
1x Optional 2nd RJ45 Network Connector (2.5GHz)