Vendo Minix NEO U9-H a funcionar correctamente.

Processor: Octa Core Cortex A53 Processor (64-bit)
GPU: Mali-820MP3 GPU
Memory: 2GB DDR3 (32-bit)
Internal Storage: 16GB eMMC 5.1 Storage
Wireless Connectivity: 802.11ac 2 x 2 MIMO Dual-Band Wi-Fi, Bluetooth 4.1
Operating System: Android™ Marshmallow 6.0.1
Video Output: HDMI™ 2.0 (4K at 60Hz), supports HDMI-CEC and HDR
Audio Output: HDMI™ 2.0 / Optical SPDIF / 3.5mm audio jack
Peripheral Interface: RJ-45 Gigabit Ethernet
Micro SD card reader
USB 2.0 port x 3
OTG port x 1
Kensington lock ready
Power: DC 5V, 3A adapter included

Não efetuo trocas. Obrigada