With the Banana Pie BPI-M2Berry, this problem has been satisfactorily resolved. The BPI-M2 has the same form factor as the with a SATA interface. It is based on the Allwinner V40 quad-core -A7 processor and the GPU is Mali400MP2. The memory specification is 1GBDDR3. In terms of interfaces, the BPI-M2 has four usb2.0 ports and a mipi-csi camera interface.Banana BPI-M2 quad-core single-board computer is developed with Allwinner R40/V40 chip. Support onboard Wifi and Bluetooth, support SATA interface, can directly to hard disk. There is an SD card socket on the board to boot the system from the SD card.Banana BPI-M2 has strong compatibility and can run android system, Debian linux, linux, system and Allwinner TinaLinux system.Banana BPI-M2 hardware: Allwinner R40/V40 quad-core processor, 1GB LPDDR3 memory, Gigabit Ethernet port, 4 USB ports Run Android5.1 smoothly. The Banana BPI-M2 is exactly the same size as the 3 and can be directly used with the 3 case. GPIO compatible with 3 and can run rasbian system.1G DDR3 SDRAMSupport SATA interface-SD slot supports expansion up to 256GBCSI camera usage and display interface support10/100/1000 MB Ethernet port1080p HD video playback with USB2.0 and USB OTG interface port and multi-channel audio outputWiFi and Bluetooth 4 802.11bgn car3.5mm stereo mini and microphone support outputDoes not support -in 3.7V lithium battery charging circuitColour:As shownMaterial:PCBSize:92 x 60mmPackage Contents:1 x development boardOnly the above package content, other products are not included.Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.