Lenovo 01YN265 USB sub card is a laptop USB board used to provide connections for USB peripherals. It is also known as a USB/B SUB CARD, making it a relevant part when servicing a system that uses this board.
The board supports everyday devices such as flash drives, external hard drives, mice and keyboards. It provides a connection point for these peripherals as part of the laptop’s USB setup.
The listed compatible systems include ThinkPad T14s Gen 1, T490s, X13 Gen 1 and X390. This part is intended for those specified Lenovo laptop families.