StarTech PLATE9M16 DB9 Serial Slot Plate Bracket | Serial Port, PC

Bring a DB9 serial connection to the back of the PC without redesigning the system. The StarTech PLATE9M16 slot plate bracket is built for desktops and workstations that still need a reliable external serial port for legacy peripherals, service tools, and console access. It connects to a motherboard serial header and presents a 9-pin male interface at the chassis rear, keeping the installation tidy and serviceable. For infrastructure teams, this kind of accessory matters because it preserves compatibility with equipment that has not moved to USB. It is a straightforward way to support serial consoles, configuration utilities, and older business hardware while keeping the machine’s internal layout clean. The bracket format also avoids the cost and complexity of replacing devices that still depend on RS-232. Use it when you need a dependable rear-panel serial port on a system that already has the header onboard. It is a small part, but it solves a real deployment problem: maintaining access to critical legacy devices with minimal friction.