Purchased the 8GB variant with Intel J4105 CPU. 2 Intel Gigabit ethernet ports. VGA, HDMI, USB3, audio.
Z-3.5 form-factor motherboard. Fanless by default, but there is fan header. In a case designed just for this form factor. (Case sold separately, has no fan inlet/outlet but act as massive heatsink.) Bunch of cables for SATA data and SATA power. With extension board removed:
The extension board (sold together with the case). Lots of RS232 ports and allow mounting of a 2.5" drive. Also support breakout of 4x USB2 ports (top right in picture below) and GPIO (green part):
BIOS summary:
4 cores, support Intel VT-x.