Product name: rock pi 3A development board Model: ROCK 3 Model A CUP: Rockchip RK3568 -core -A55, clocked at 2Ghz GPU: Mali G52 NPU: 0.8T NPU Memory: 4GB LPDDR4 3200MT/s, up to 1560MHZ Storage: EMMC, USD card (USD slot supports up to 128GB USD card), M.2 SSD (M.2 connector supports up to 8TB M2 NVME SSD) Display output: -compatible 2.0 up to 4k*2K @60; MIPI 2 Lanes via FPC connector; -compatible with any two of MIPI- can work at the same time, support dual-screen simultaneous display, dual-screen different display Audio: 3.5mm headphone jack (four-segment, audio input and output); HD audio decoding 24-bit/96KHZ audio Camera: MIPI- 2 lanes via FPC connector, support up to 800 MP camera Wifi: M.2 expansion interface, support M.2 interface WIFI module expansion USB: USB3.0, OTG*1, hardware switch for host/device switch. front one;USB3.0 HOST*1;USB2.0 HOST*2 Ethernet: Gigabit Ethernet port, support POE power supply (expansion board is required, expansion board is not included) IO: 40-pin expansion header; 5*UART Power supply: PD fast charging source Type C PD2.0, 9V/2A, 12V/2A, 15V/2A, 20V/2A; QC fast charging source, Type C QC3.0/2.0 adapter, 9V/2A, 12V/1.5A Product size: 85x56mm Colour:green Material:PCB+Metal Package Contents: 1 x rock pi 3A 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.