CB1 Adapter: 1. CPU: Allwinner H616, -core -A53 @1.5GHz 2. GPU: Mali G31 MP2, support OpenGL3.2 3. RAM: 512MB/1GB DDR3L SDRAM 4. Display: -compatible 2.0A interface, support 4K display 5. USB 2.0 port 6. 100M Ethernet + 100M WiFi 7. The same BTB header as the CM4 PI4B Adapter V1.0: 1. Use for 4B board outline, the same mounting holedia; 2. Support versions of CM4 modules; 3. Designed with Gigabit Ethernet interface, -compatible0 interface, -compatible1 interface, CAM interface, interface; 4. Equipped with ESD protection at the USB and network interfaces; 5. 40 pin double-row pin header with the same function as for ; 6. Adopting Type-C interface, which can be used to write CM4 with eMMC, and can supply power to the whole system at the same time; 7. A 5V power interface is reserved, which can be connected to a 5V fan for CM4 heat dissipation. Product Parameters: PI4B Adapter 1. Product Size: 85 x 54.29mm 2. Installation Size: 58 x 49mm 3. Power Input: Type-C 50.25V 4. Module Type Support: various versions of Raspberry PiCM4 modules. 5. Interface Support: Micro--compatible x 2,USB 2.0x4,RJ45,CAM,,Micro-SD... Note:1. The CB1 couldn't be connected to the PI TFT screen. The / port will only work while using CM4. 2. The PI4B should be used with CB1 or CM4 core board to run Klipper. CB1 is an alternative to for CM4. PI4B Adapter V1.0is a for CM4 carrier board, when the for CM4 is plugged in, it can be used as a for 4, which brings convenience for customers to use the CM4. type: A Colour:black Material:PCB+electronic components+metal Package Contents: 1 x CB1 core Board 1 x PI4B Adapter 1 x CB1 Heatsink 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.