3.5" usb external floppy disk drive portable 1.44 mb fdd for pc windows 2000/xp/vista/7/8,no extra driver required,plug and play,black chuanganzhuo <b>overview:</b><br>this usb external floppy disk drive is a ultra slim external portable floppy disk drive. once it is connected to notebooks or pcs, you can view all of information on your floppy disks right now. this super-slim, lightweight and attractive usb diskette drive takes its power requirements from the usb port. no external power adapter required makes this diskette drive fully mobile. it's really the best choices for your floppy disks. <p> <b>feature:</b><br> -usb interface <br> -3.5-inch 720kb/1.44mb fdd <br> -super slim and light weight <br> -available usb bus supply current: 500 ma or less<br> -data capacity:720kb/1.44mb (formatted)<br>-usb data transfer rate: full speed/12 mbps <br> -data transfer rate:250 lbits(720kb)/500 kbits (1.44mb)<br> -number of cylinders; 80 <br> -rotation speed:300 rpm,360 rpm recording method:mfm<br> -media: high density (2hd) or normal density (2dd)<br> -average latency time:100 msec (1.44mb mode) 83.3 msec (720kb mode)<br>-operating systems supported: for windows 2000/xp/vista/7/8<p> <b>operating temperature:</b> <br>-between 4 degrees belsius and 51 degrees celsius <br>-between 39 degrees fahrenheit and 125 degrees fahrenheit <p> <b>relative humidity:</b> <br>-operating:between 20% and 80% <p> <b>hardware requirements</b> <br>-computer with usb port <br>-usb universal host control<p> <b>package content:</b><br>1 x external floppy disk drive(white)<br>1 x welcome guide<p> <b>note when use:</b> <br> for running smoothly,please plug our external floppy disk drive into rear usb interface of motherboard directly. if you connect our floppy drive through usb hub,usb extension cable or frontal usb interface,it may can not be recognized by your computer since it cannot get sufficient power from your computer.<p><b>warm tips:the reader might not be able to read all discs because of the operating software on your computer or the old floppy disks.</b>