CB2 is a computing core board similar to CM4.Rockchip RK3566 Quadcore 64bit 1.8 GHz:Delivers Smooth for Klipper Operation2GB LPDDR4:Faster RAM32GB eMMC Storage:Stable, ShockResistant Klipper Operation0.8 TOPS NPU:Enabling the of AIPowered 3D PrintingBluetooth 5.240pin GPIO:Compatible with the for EcosystemDisplay:compatible 2.0A interface, support 4K displayProject Level:Advanced Projects. Highspeed PrintingCB2 Specifications:CPU:Rockchip RK3566, Quadcore A55 @ 1.8GHzGPU:MaliG52 1Core2EENPU:0.8 TOPS NPURAM:2GB LPDDR4Onboard eMMC:32GBMIPI Display Support:Yes (320P1080P 60Hz)Camera:2 MIPI CSI2 (320P1080P 60Hz)USB Ports:3 x USB 2.0, 1 x USB 3.0PCIe:PCIe 2.1 1x1 (Supports M.2 2242 4PIN+5PIN)GPIO:Standard 40pin GPIO Headercompatible Output:compatible 2.0 OUT (480P4K 60Hz)WiFi:2.4G/5G, 802.11 ac/a/b/g, 433.3MbpsEthernet:Gigabit EthernetBluetooth:BT5.2TF Card Support:Yes (SDIO2.0)Output Voltage:3.3V2%/100mAColour:BlackMaterial:PCB+electronic componentsSize:40mmx55mm (Same mounting hole positions as for CM4)Package Contents:1 * CB2 Core Board1 * WiFi antennaOnly 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 +/ 13cm.