A:Answer This Lenovo Legion Tower 5i Gaming Desktop Computer, model number 90RS0016US, ships with a Intel Rocket-Lake B560 WIN DPK SYSTEM BOARD, Lenovo Part Number - 5B20W27656. The ports installed on this model configuration are: Top Ports - 2x USB 3.2 Gen 1, 1x headphone (3.5mm),
1x microphone (3.5mm). Rear Ports - 2x USB 2.0, 2x USB 3.2 Gen 1, 1x USB-C 3.2 Gen 2 (support data transfer and 5V@3A charging), 3x audio out (5.1 channel), 1x Ethernet (RJ-45), 1x power connector. This model configuration ships with the NVIDIA GeForce GTX 1660 SUPER GPU, with 6GB GDDR6 VRAM on the card and has 1x DVI, 1x HDMI 2.0b, 1x DP 1.4 ports available for video out connections. Here is a link to the complete parts list for this model configuration: https://pcsupport.lenovo.com/us/en/products/desktops-and-all-in-ones/legion-series/legion-t5-26iob6/90rs/90rs0016us/parts/display/model