Quad-Core Rockchip RK3566 @ 2.0 GHz
Up to 8GB LPDDR4 RAM
PCIe 4x open-ended slot
Optional 802.11ac WiFi with Bluetooth 5.0
Bootable microSD or optional eMMC module
The Quartz64 Model A 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 also equipped with 1x USB 3.0 type A Host, 3x USB 2.0 Host, Gigabit Ethernet, Sata, PCIe, an E-ink interface, touch panel interface, a 40 pin GPIO bus, MiPi DSI interface, MiPi CSI interface, optional 802.11 b/g/n/ac Wifi and Bluetooth 5.0, eDP interface, and other interfaces such as UART, SPI, and I2C are also available for makers to integrate sensors and other peripherals. 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.