What type of Wi-Fi connectivity does this PC support, and does it include Bluetooth capabilities?

The PC supports 802.11b/g/n Wireless LAN for Wi-Fi connectivity.

Is the Vega 8 Graphics suitable for running modern games at medium to high settings, and are there options to upgrade the graphics card?

The Vega 8 Graphics is capable of playing top games in smooth 1080p, which suggests it can handle modern games at medium to high settings. However, there is no information provided regarding options to upgrade the graphics card.

Questions & Answers: Custom Built PRC AMD Ryzen Vega Gaming Desktop PC AMD Ryzen 7 5700G 3.8GHz 8-Core Processor Vega 8 Graphics 8GB DDR4 RAM 256GB Solid State Drive Wi-Fi Windows 10 Professional

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Custom Built PRC AMD Ryzen Vega Gaming Desktop PC AMD Ryzen 7 5700G 3.8GHz 8-Core Processor Vega 8 Graphics 8GB DDR4 RAM 256GB Solid State Drive Wi-Fi Windows 10 Professional

AMD Ryzen 7 5700G 3.8GHz 8-Core Processor (8-Cores, 16-Threads, Up to 4.6GHz)
Vega 8 Graphics 2.0GHz (Play top games in smooth 1080p)
8GB DDR4 RAM
256GB Solid State Drive
500W Effective Power Supply
Microsoft Windows 10 Pro
10/100/1000 Network
802.11bgn Wi-Fi USB Adapter
USB Keyboard and Mouse

$929^.99 –