ViprTech - Stryker Gaming PC - AMD Ryzen 7 (4.1GHz), AMD RX 580 8GB, 16GB DDR4, 500GB SSD, Desktop Computer - White

If you can go by the illustrations, it has one each HDMI, DP, and DVI ports, which is standard for an AMD Radeon RX 580 graphics card, although they also come in several variations. The MOBO also shows two HDMI and one DP port.

The product specifications say Windows 11 Pro

What two-bit outfits have you been dealing with? BB offers computers fully outfitted with an operating system (which is what Windows is).

Since it's designed for gaming, I would guess a minimum of 1Gbps, but it could be 2.5Gbps. Higher is unlikely at this price range.

The GPU supports 4K resolution for display output, video playback, and general desktop use at 60Hz, BUT it is not designed for 4K gaming, which often results in poor performance (often under 30 FPS in modern titles).