-Specification- CPU Model: Rockchip RK3399 Number of Cores: 64-bit Dual Core Cortex-A72 + Quad Core Cortex-A53 Frequency: Cortex-A72(up to 2.0GHz), Cortex-A53(up to 1.5GHz) GPU: Mali-T864 GPU,supports OpenGL ES1.1/2.0/3.0/3.1, OpenVG1.1, OpenCL, DX11, and AFBC VPU: 4K VP9 and 4K 10bits H265/H264 60fps decoding, Dual VOP, etc Memory RAM: Dual-Channel 2GB DDR3 Storage eMMC: no Onboard eMMC, but has a eMMC socket; MicroSD Slot: MicroSD x1 for external storage up to 128GB Ethernet: Native Gigabit Ethernet with unique MAC address Wi-Fi/BT: 802.11a/b/g/n/ac, Bluetooth 5.0, Wi-Fi and Bluetooth combo module, Antenna x1: IPX-I Connector Audio Output: 3.5mm Dual channel headphone jack, or HDMI Audio Input: Microphone input interface x1 Video Input: one or two 4-Lane MIPI-CSI, dual ISP, up to 13MPix/s,supports simultaneous input of dual-camera data Video Output: HDMI x1: HDMI 2.0a, supports 4K@60Hz,HDCP 1.4/2.2, 4-Lane MIPI-DSI x1 Pin-header: GPIO1: 40pin, 2.54mm pitch pin-header 3 X 3V/1.8V I2C, up to 1 x 3V UART, 1 X 3V SPI, 1 x SPDIF_TX, up to 8 x 3V GPIOs, 1 x 1.8V 8 channels I2S GPIO2: 24pin, 2.54mm pitch pin-header; PCIe x2 Serial Debug Port x1: 2.54mm pitch 4-pin-header, 3V level, 1500000bps Power: DC 5V/3A via Type-C or GPIO header -OS Support- Android 8.1/ Android 10Lubuntu 16.04 (32-bit)FriendlyCore 18.04 (64-bit)FriendlyDesktop 18.04 (64-bit)FriendlyWrt 21.02.1 (64-bit)BSP version: Linux-4.4-LTS; U-boot-2014.10 -Dimension- PCB: 8 Layer Dimension: 85*56mm Weight: 51.28g -In the Box- NanoPi M4B RK3399 Board x1 -Technical Support- Please click "WayPonDEV" and ask a question or monica#smartfire.cn (#------>@) skype: monica_9122Please leave the message in our forum by forum.youyeetoo.com/ See moreIt has the same form of factor as the RPi B3+ and has ports and interfaces compatible with RPi B3+ too. On a 85 x 56 mm compact board there are rich hardware resources. These features make it a good platform for rapid product prototyping and various applications. Connectivity: Ethernet: Native Gigabit Ethernet with unique MAC address; Wi-Fi/BT: 802.11a/b/g/n/ac, Bluetooth 5.0, Wi-Fi and Bluetooth combo module; Antenna x1: IPX-I Connector. USB: NanoPi M4B Single Board Computer with USB 3.0 x2: Native USB 3.0 Type-A ports;USB 2.0 x2: Native USB 2.0 Type-A ports;USB Type-C x1: Power Input Only. Memory:RAM: Dual-Channel 2GB DDR3, Storage: eMMC: no Onboard eMMC, but has a eMMC socket; MicroSD Slot: MicroSD x1 for external storage up to 128GB. CPU Model: Rockchip RK3399 SoC,Number of Cores: 64-bit Dual Core Cortex-A72 + Quad Core Cortex-A53,Frequency: Cortex-A72(up to 2.0GHz), Cortex-A53(up to 1.5GHz).