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%