Quad-Core Rockchip RK3566 @ 2.0 GHz
Up to 8GB LPDDR4 RAM
Built-in 802.11ac Wi-Fi with Bluetooth 5.0
Bootable microSD or optional eMMC module
The Quartz64 Model B is the most recent Single Board Computer offering from PINE64. It is powered by a Rockchip RK3566 quad-core ARM Cortex A55 64-Bit Processor with a Mali G-52 GPU. It comes equipped with 2GB, 4GB or 8GB LPDDR4 system memory, and a 128Mb SPI boot flash. There is also an optional eMMC module (up to 128GB) and a microSD slot for booting. The board is equipped with 1x USB 3.0 type A Host, 2x USB 2.0 Host, Gigabit Ethernet, a 40 pin GPIO bus, MiPi DSI interface, MiPi CSI interface, integrated 802.11 b/g/n/ac Wi-Fi and Bluetooth 5.0, as well as a single lane M.2 PCIe Gen2 slot. Many different operating systems are freely available from the open source community, such as Linux (Ubuntu, Debian, Arch, etc), *BSD, and Android.
Further resources and documentation about this device can be found on PINE64 Wiki page.