Processor Choices:
Rockchip RK3399 (hexa-core):
Dual-core Cortex-A72 up to 1.8GHz;
Quad-core Cortex A53 up to 1.4 GHz

Random access memory
RAM (2 GB)

Operating system
Linux Debian 10 64-Bit Kernel (64-Bit Linux)

Interfaces
1 x USB 3.0 Type-A (Superspeed)
2 x USB 2.0 Type-A (High Speed)
RJ45 (Ethernet LAN 10/100/1,000 MBit/s)
1 x RJ12 (for connection to optional cash drawer)