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. 2G+8GB EMMC 1 x USB 3.0+2 x USB 2.0 interface 12 x UART serial port Operating temperature range:-40 to 85 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+Acrylic Package Contents: 1 * Development Board 1 * Acrylic case 1 * Fan 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.