Port multiplier version that extends a single 9-pin USB 2.0 header to 4x 9-pin USB 2.0 ports Key features - Function: Extends 9-pin USB 2.0 header to 4x 9-pin USB 2.0 ports - Connectors: A is a 9-pin USB 2.0 male connector; B provides 4x 9-pin USB 2.0 female connectors - Size and cable: PCB dimensions around 1.96 in by 0.98 in (approximately 5 cm by 2.5 cm); cable length about 12 in (30 cm) - Color note: PCBs are available in blue or green; color may vary in stock, but function is identical - Adhesive: Includes double-sided foam tape for fixing on the main board or chassis Usage and compatibility - The device connects to a standard 9-pin USB 2.0 header on a motherboard and provides four internal USB 2.0 ports - Designed for internal USB 2.0 expansion within desktop PCs and similar systems Use scenarios - Add more internal USB 2.0 ports for front-panel USB connections or internal devices in a desktop build - Expand a system that has limited USB 2.0 headers, providing additional internal ports without modifying the motherboard - Install in a workstation or compact server where additional USB 2.0 connections are required and space is constrained Notes - There are two PCB color options (blue and green); colors are interchangeable in function - Foam tape is included to help secure the assembly to the motherboard or chassis for tidier cable management