There is a new player in town: Minix released their Neo U9-H on 2/24/2017. It is probably the first Amlogic S912-H SoC based box from a mainstream vendor.
Specifications:
- Amlogic S912-H ARM Cortex A53 Octa-Core with Mali-820MP3 GPU
- 2GB DDR3 RAM, 16GB eMMC 5.0 MLC, micro SD Card slot
- Android Marshmallow 6.0.1
- HDMI 2.0 up to 4K @ 60Hz (10-bit 4:2:0)
- Optical S/PDIF, 3.5mm headphone & microphone jacks
- Gigabit Ethernet, 2 x 2 MIMO 802.11ac Dual-Band Wi-Fi, Bluetooth 4.1
- USB – 3x USB 2.0 ports, 1x micro USB OTG port
- Dual DRM Support – Widevine L1, PlayReady