Here is another compact mini PC for your entertainment center. The Beelink M1 Intel Mini PC comes with an Apollo Lake Celeron N3450 processor inside with HD Graphics 500 and 8 GB of RAM. It also has WiFi, Bluetooth, VGA, and HDMI.
The machine supports a max resolution of 4096*2160@60Hz. Costs under $270 at this time. More info is available here.