3.5" USB External Floppy Disk Drive Portable 1.44 MB FDD for PC Windows 98/ME/2000/XP/Vista/Windows 7/8,No Need to Install Drive with CD Driver, Plug and Play Specifiaction: -USB Interdace -3.5-inch 720KB/1.44MB FDD -Super Slim and lightweight -Available USB Bus supply current: 500 mA or less -Data capacity:720KB/1.44MB (Formatted) -USB DATA Transfer Rate: Full speed/12 Mbps -Data Transfer Rate:250 Lbits(720KB)/500 Kbits (1.44MB) -Number of Cylinders; 80 -Rotation speed:300 rpm,360 rpm recording method:MFM -Media: High Density (2HD) OR Normal Density (2DD) -Average Latency Time:100 MSEC (1.44MB mode) 83.3 MSEC (720KB mode) -Operating systems supported: Windows 98/SE/2000/ME/XP/VISTA/Windows 7/Windows 8. Operating temperature: -Between 4 degrees Belsius and 51 degrees Celsius -Between 39 degrees Fahrenheit and 125 degrees Fahrenheit Relative humidity: -Operating:between 20% and 80% Hardware requirements -Computer with USB Port -USB Universal Host Control Package Included: 1x External USB Floppy Disk Drive Note:CD Driver not included in this package,This product is plug and play,there is no need to install driver with cd driver according to user manual.please note it. Note When Use: 1. Please don't use usb hub when you use it,the part power supply divided from the usb hub is not enough; 2.please insert this drive directly into the usb connector behind power host if yours is a desktop.if yours is a notebook,just insert it directly,the drive will be installed by itself,then you can read your floppy.