Best Extra USB Front Panel for PC -- Convert your unused 5.25 CD-ROM drive space into 2 USB 3.0 ports + 2 USB 2.0 ports + 1 HD Audio output + 1 Microphone input. Durable & Compact -- 5.25 usb 3.0 front panel with sturdy mental construction and anti-corrosion coating endure wear and tear, ensuring long-term use. Super Speed -- Super-Speed USB 3.0 in hd audio front panel supports data transfer speeds up to 5 Gpb/s. Backward compatible with USB 2.0 / 1.1. Widely Applications -- Plug and play. Don't need the external power supply. Compatible with Windows XP/Vista/7/8/8.1/10. Buy with Confidence -- UCEC provide 24-hour online tech support and the 100% satisfaction guarantee.