把下面一段字翻译成英文：树莓派4B树莓派4B采用了15GHz的四核ARM Cortex-A72处理器配备了1GB、2GB或4GB的LPDDR4内存。它还具有两个Micro HDMI接口可支持4K分辨率的显示输出。此外它拥有两个USB 30接口和两个USB 20接口以及千兆以太网、双频Wi-Fi和蓝牙50无线连接。该设备还提供了GPIO引脚可以与各种传感器、执行器和其他外部设备进行连接和控制。树莓派

Raspberry Pi 4B features a 1.5GHz quad-core ARM Cortex-A72 processor and comes with 1GB, 2GB or 4GB of LPDDR4 memory. It also has two Micro HDMI ports for displaying 4K resolution. Additionally, it has two USB 3.0 ports, two USB 2.0 ports, Gigabit Ethernet, dual-band Wi-Fi, and Bluetooth 5.0 wireless connectivity. The device also provides GPIO pins for connecting and controlling various sensors, actuators, and other external devices. Raspberry Pi 4B also supports storage expansion, using either a MicroSD card or external storage devices connected via USB. It comes pre-installed with Raspberry Pi OS and supports other popular Linux distributions