8-core RISC-V chip, CPU integrated with 2.0 TOPS AI computing power Single-core general computing power is equivalent to 1.3 times that of -A55 Support 32-bit LPDDR4/4X, maximum 16GB memory 4K decoding and encoding 5-channel PCIE2.1 expansion capability [4G+16GB EMMC] 1x USB 3.0+2x USB 2.0 interface 12x UART serial port Operating temperature range: -40C to 85C Due to different batches, there may be differences in product appearance, color, and printed text, which will not affect the use. Colour:Black Material:PCB Package Contents: 1x Development Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.