Toshiba 0.85-Inch Hard Disk Drives

The new 0.85-inch HDD, Toshiba delivers gigabytes of capacity packed into a tiny hard drive that fits on your fingertip. As you can see in the picture, it is as small as a coin. In fact the postage stamp sized 0.85-inch HDD was named the smallest Hard Disk Drive in the 2005 Guinness Book of Records

Toshiba 0.85-Inch Hard Disk

Only a quarter the size of a 1.8-inch hard disk drive, Toshiba’s 0.85-inch HDD will bring storage to a new generation of products including mobile phones, tiny MP3 players, digital camera, and camcorders. There are 2GB(MK2001MTN) and 4GB(MK4001MTD) models. And in fact Toshiba is planning to increase the capacity To 10GB Using Perpendicular Magnetic Recording.

Toshiba 0.85-Inch Hard Disk

Detail specs:

Data Storage Physical:
Per drive, formatted* 2GB
Number of Disks 1
Number of Data Heads 1
Data Transfer Rate:
Host Transfer Rate 12.5MB/sec
Seek Time:
Track-to-track 3ms
Average 16ms
Maximum 28ms
Nominal Power Requirements:
Voltage 3.0V (+10%/-5%)
Power Consumption:
Seeking 0.5watts
Reading 0.65watts
Writing 0.65watts
Idle 0.3watts
Standby 0.15watts
Rotational Speed 3,600rpm
Average Latency 8.33ms
Physical & Environmental Specs
Height 0.13″ (3.3mm)
Width 0.94″ (24mm)
Depth 1.26″ (32mm)
Weight 0.2 oz (5.7g)
Ambient Temperature:
Operating 32 – 158F (0 to 70C)
Non-Operating -40 – 176F (-40 to 80C)
Shipping -40 – 176F (-40 to 80C)
Vibration and Shock:
Operating Vibration 2G (5-500 Hz)
Operating Shock 1000G/1ms
Non-Operating Shock 2,000G/1.0ms
Reliability Characteristics
Error Rates:
Non-recoverable 1 in 1013 bits
Seek 1 in 106 seeks
Preventive Maintenance None


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