MK4004GAH (HDD1524) 40.0GB 1.8-inch HDD Toshiba introduces a 40GB 1.8-inch embedded HDD, the MK4004GAH. Enabling some of today's most exciting, small form factor mobile devices, the new mini-drives offer manufacturers significant storage for consumer, commercial and PC applications - such as music players, handheld PCs, PDAs, wearable computers and laptops. Toshiba is committed to grow with developers and users to provide smart computing solutions, backed by Toshibarenowned quality and technology leadership. 40.0 Gigabytes* Lightweight, only 62 grams Low Power Consumption 15ms Average Seek Time 100MB/s Ultra DMA Transfer Rate 300,000 MTTF Hours Specifications Data Storage Physical: Per drive, formatted* Number of Disks Number of Data Heads User Data Cylinders 40.0GB 2 4 38,160 Logical Configuration: Heads Cylinders User Sectors/Track at zone 0 Logical Blocks (LBA) 16 16,383 63 78,126,048 Data Transfer Rate: Buffer to Host- PIO 16.6MB/sec Buffer to Host- Ultra DMA 100MB/sec Maximum Internal 125.5 - 253.1 Mbits/sec Seek Time: Track-to-track Average Maximum 3ms 15ms 26ms Nominal Power Requirements: Voltage Energy Consumption Efficiency: Power Consumption: Start Seeking Reading Writing Idle Standby Sleep 3.3V (±5%) 0.01W/GB 1.2watts 1.4watts 1.4watts 1.4watts 0.6watts 0.2watts 0.08watts Other: Rotational Speed 4,200rpm Average Latency 7.14ms Interface Buffer ATA (2 - 5) 512KB Physical & Environmental Specs Dimensions/Weight: Height Width Depth Weight 0.315" (8.0mm) 2.12" (54mm) 3.09" (78.5mm) 2.19 oz (62g) Ambient Temperature: Operating Non-Operating Shipping 41° - 140°F (5 to 60°C) -4° - 149°F (-20 to 65°C) -40° - 158°F (-40 to 70°C) Vibration and Shock: Operating Vibration Operating Shock Non-Operating Shock 1.0G (5-50 Hz) 250G/2.0ms 1,000G/1.0ms Reliability Characteristics Error Rates: Non-recoverable 1 in 1013 bits Seek 1 in 106 seeks Other: MTTF (Power on hours) Preventive Maintenance Product Life 300,000 None 5 years or 20,000 power ON hours *Toshiba defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.