What is the fine-grained topic of the following text: The P4PB 266E's six USB 2.0 ports provide seamless connectivity to all the latest high speed multimedia devices and peripherals such as digital video cameras, MP3 players, and the next generation of scanners and printers while also providing backwards compatibility with the more established USB 1.1 standard devices. Only return the topic.
USB 2.0 ports on the P4PB 266E