PRODUCT FUNCTION: Compatible with 720 KB and 1.44 MB 3.5-inch Floppy Disks Ideal for replacing older floppy drive, or adding a second drive Standard 34-pin floppy drive interface for easy installation Legendary quality from Sony - the inventory of the 3.5-inch floppy TECH. Media Maximum: 1.44 MB (Formatted) Hardware Maximum: 1.44 MB Tracks: 80 Heads: 2 Rortational Speed: 300 rpm Drive: 34-pin floppy interface MTBF: 30,000 Power On Hours Power Voltage: DC 4.4 V to 5.25 V Operating Temperature: 41 F to 125 F Operating Humidity: 8% to 80%