This kickstarter project can be interesting
Processor — Rockchip RK3399 (2x Cortex-A72 cores @ up to 2.0GHz, 4x Cortex-A53 cores at up to 1.42GHz); 28nm fab; Mali-T860 GPU
Memory:
2GB or 4GB (Plus kit) DDR3 RAM
16GB or 32GB (Plus kit) eMMC flash
MicroSD slot
M.2 B-key slot (PCIe 2.1-based) with SSD and I/O (2x PCIe, SATA, USB 2.0 and 3.0, HSIC, SSIC, audio, UIM, I2C)
Display:
HDMI 2.0 port with audio for up to 4K@60Hz
DisplayPort 1.2 with audio for up to 4K@60Hz
MIPI-DSI at up to 2560×1600@60fps
eDP 1.3 (4-lane)
Camera
2x MIPI-CSI (up to 13MP)
DVP (up to 5MP)
Audio:
3.5mm analog audio I/O jack
SPDIF output
Mic input
Speaker with 1.5W per channel
I2S audio I/O
HDMI and DP (see Display above)
Wireless:
802.11b/g/n/ac 2.4GHz/5GHz dual-band 2×2 MIMO (Broadcom AP6354)
Bluetooth 4.1 with BLE (Broadcom AP6354)
SIM card slot
IR receiver module with self-defined IR remote
Networking — Gigabit Ethernet port (Realtek RTL8211E)
Other I/O:
2x USB 3.0 host ports (1x Type-C, 1x standard)
4x USB 2.0 host (2x ports, 2x interfaces)
Serial console debug
42-pin expansion header (SPI/UART, 2x ADC, 2x I2C, I2S, 2x GPIO, line-out, speaker)
Expansion — Mini-PCIe slot for optional LTE module
Other features — Power, reset, recover buttons; RTC with battery support; LEDs
Power — 12V, 2A (via DC jack)
Weight — 89 g (with fan: 120g)
Dimensions — 124 x 93mm
Operating system – Dual-boot Android 6.0.1 and Ubuntu 14.04 with U-boot