5.25In Front Panel Hub 4port PCI-E to USB3.0 Conversion Computer Expansion Board OpticalDrive for Co [5.25Inch USB Front Panel Hub] Front panel hub, convert your 5.25in floppy drive space into USB, improve the scalability of desktop computers to meet various needs. [Multi functional] USB hub optical drive front panel, transfer videos, music, photos, and data files between USB devices and your computer at blazing fast speed, convenient and efficient, effectively save your time [Easy to Use] The PC front panel quickly add ports for connecting various external USB devices with connectors, Plug and Play, No need any drive program. [ Material] 5.25 inch front panel, Sturdy plastic construction endures wear and tear, ensuring long term use. [High quality] USB hub front panel Offers great expansion for your PC enclosure, Professional manufacturing, stable performance, long service life. Color:Black Material:plastic Package Contents: 1 * 4port PCI-E to USB3.0 Expansion Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.