Features: 1,The for computing module 4 uses the computing of the popular for 4 Model B to make it smaller and suitable for integration into products.2,The for computing module 4 includes a quad core ARM Cortex-A72 processor, video output, and a variety of other interfaces. 32 variants with a range of RAM and eMMC flash options3,Adopts B to B connectors, more stable than the Goldfinger edge connector of previous generations4,Onboard new Gigabit Ethernet PHY supporting IEEE1588, suitable for network applications5,Onboard new PCIe Gen 2 x1 interface, allows connecting more useful modulesSpecifications:Product name: CM4 core boardPROCESSOR:Broadcom BCM2711 quad-core Cortex-A72 (ARM v8) 64-bit SoC @ 1.5GHzMEMORY:4GB LPDDR4 STORAGE:0GB (Lite) eMMC FlashCONNECTIVITY:Optional wireless LAN, 2.4GHz and 5.0GHz IEEE 802.11b/g/ac wireless, Bluetooth 5.0, BLE with onboard and external antenna optionsOnboard Gigabit Ethernet PHY supporting IEEE15881 x USB 2.0 interfacePCIe Gen 2 x1 interface28 GPIO signalsSD card interface for SD card (for use only with Compute Module 4 variants without eMMC)VIDEO: -compatible interface (up to 4Kp60 supported)2- MIPI display interface2- MIPI CSI camera interface4- MIPI display interface4- MIPI CSI camera interfaceMULTIMEDIA:265 (4Kp60 decode); 264 (1080p60 decode, 1080p30 encode); OpenGL ES 3.0 graphicsINPUT :5V DCOPERATING VOLTAGE:-20C ~ 85C ambientDIMENSIONS:55 x 40 x 4.7mmMaterial: PCBcolour: greenPackage Contents:1 x CM4 core boardOnly 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.