The Double USB3.0 A Type Female to Motherboards 20/19Pin Box Header Slot Adapter is built for durable and reliable USB 3.0 connectivity inside your desktop PC. Key benefits and features ABS construction for durable housing and stable performance with USB3.0 devices Connects external USB3.0 devices such as USB adapters to your motherboard, enabling seamless integration into your existing setup Backward compatible with USB2.0 and USB 1.1, so you can continue using older USB devices while enjoying USB3.0 speed and benefits Enhances your PC connection with a Double USB3.0 A Type Female to Motherboards 20/19Pin Box Header Slot Adapter Technical details Function: Provides USB3.0 internal connectivity through a 20/19pin box header slot to support two USB3.0 TypeA female connections Compatibility: USB3.0 devices with USB 2.0/1.1 compatibility maintained Size and form: Designed to fit standard motherboard 20/19pin box header slots Material: ABS construction for durability and heat resistance Performance: Enables USB3.0 data transfer speeds while maintaining compatibility with older USB standards Use scenarios Scenario 1: Upgrading an older desktop to support USB3.0 speeds by adding internal connectivity for bandwidth devices such as external SSDs or fast USB hubs Scenario 2: Expanding internal USB3.0 ports on a PC case with limited frontpanel USB3.0 headers, allowing convenient access to USB devices through the motherboard header slot Scenario 3: Maintaining operation of legacy USB 2.0/1.1 devices while leveraging USB3.0 capable devices for faster data transfer where possible This adapter provides a straightforward, professional solution to increase USB3.0 connectivity without sacrificing compatibility or reliability, keeping your current devices functional while enabling faster performance where supported.