Dell Vostro 3350 DC Power Jack USB RJ-45 IO Circuit Board JF1F9 is a vital component designed for Dell Vostro 3350 laptops. This circuit board integrates multiple essential functions, including power jack connectivity, USB ports, and RJ-45 Ethernet interface. It serves as a central hub for connecting various external devices and peripherals to the laptop, ensuring seamless data transfer and power supply. The JF1F9 board is a genuine Dell replacement part, crafted with precision to guarantee compatibility and reliable performance, making it an ideal solution for repairing or upgrading your Dell Vostro 3350 laptop.