Key Specifications
Processor: 6th Generation Intel Core i5 (This could be the i5-6500 or the i5-6500T for the "T" models, common in the mini version). 
Memory: 16GB of DDR4 RAM, operating at 2133 MHz. 
Storage: 250GB storage device, likely a 2.5-inch SSD or HDD. 
Graphics: Integrated Intel HD Graphics. 
Operating System: Typically comes with Windows 10 Pro. 
Connectivity:
Front: USB 3.0 ports, USB Type-C, headphone/microphone combo jack. 
Back: Multiple USB 3.0 ports, 2 x DisplayPort, 1 x VGA, Gigabit Ethernet (RJ-45). 
Wireless: May include 802.11ac Wi-Fi and Bluetooth 4.2 depending on the specific model. 
Form Factor: Mini Desktop PC with a small footprint.