Disk Drive 3.5" 1.44MB Black 25.4mm (1-inch) height body and 3.5-inch FDD standard size, facilitating easy system design. High reliability attained by the employment of a direct-drive motor (Mean Time Between Failures (MTBF) or 80,000 (POH). Driven by a single 5V power supply, with low power consumption (1.1W (typ.) during read/write operation). Semi-sealed construction giving high performance by protecting against dust and anti-electromagnetic noise Form Factor - 3.5 1/3H Internal