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USB 3.0 19/20Pin Motherboard Header 1-to-2 Splitter Hub Adapter, Convert USB3.0 Internal Port to Dual USB2.0 9/10Pin Headers for Desktop PC DIY Chassis Modding
- 1-to-2 Multi-Port Expansion: One USB3.0 19/20Pin female input splits into two independent USB2.0 9Pin male headers (compatible with 10Pin housing), maximizing limited motherboard internal USB resources without PCIe add-on cards.
- Built-in Professional USB2.0 Hub Controller Chip: Stable 480Mbps bandwidth for each channel, each port supplies DC 5V/500mA power to support front USB panels, RGB cooling fans, card readers, Type-E TPM adapters and monitoring modules.
- Full Pin Compatibility: Works with all standard 19Pin & 20Pin USB3.0 mainboard headers; perfectly matches universal 9Pin/10Pin USB2.0 front panel case cables, no pin alignment mismatch risk.
- Mini Shielded PCB Design: Compact circuit board fits tight gaps inside ATX/MATX/ITX chassis, will not block RAM sticks, GPU, SATA cables or CPU coolers. Gold-plated pins resist oxidation and cut EMI signal loss.
- Wide OS Compatibility & Plug-and-Play: Native support for Windows 7/10/11 and Linux systems, zero driver installation needed. Ideal for new motherboards lacking spare USB2.0 internal headers, small form factor PC builds and hardware upgrades.
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This internal header splitter solves the common pain point of insufficient internal USB ports on modern motherboards that only carry USB3.0 19/20Pin front panel headers, with no extra native USB2.0 9Pin slots. Simply plug the USB3.0 female end into your motherboards built-in USB 3.0 header, then connect two separate sets of USB2.0 front panel wiring to the dual 9Pin male outputs simultaneously.
Equipped with a dedicated USB 2.0 hub chip, the adapter isolates data and power transmission between the two output channels to avoid bandwidth competition or underpowered peripherals. The integrated PCB shielding layer suppresses electromagnetic interference from power supplies, graphics cards and CPUs inside the case, maintaining continuous reliable connection during long-term operation.
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- Return for refund within: 30 days
- Return for replacement within: non-replaceable
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