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Semiconductors & Components - Toshiba Storage Products

Skip Navigation LinksMK4025GAS > MK4025GAS Specifications
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MK4025GAS: 2.5" HDD 40GB*

Toshiba 2.5-Inch Super Slimline HDD Providing capacious storage in a slim form factor, Toshiba's 40GB 2.5-inch hard disk drive is an ideal solution for mobile computing and consumer electronics. With an areal density of 64.8 gigabits per square inch and a super slim package measuring 9.5mm high, Toshiba's MK4025GAS hard disk drive accommodates the storage needs of multi-functional mobile PCs and other applications, such as telecommunications products, printers, copiers, GPS systems and MP3 players. 40GB capacity

Key Features Specifications Support Related Items
Data Storage Physical:
Per drive, formatted* 40.007GB
Data Heads 2
Number of Disks 1
Logical Configuration:
Heads 16
Cylinders 16,383
User Sectors/Track at zone 0 63
Logical Blocks (LBA) 78,140,160
Data Transfer Rate:
Max transfer rate to host 100 Mb/sec
Seek Time:
Track-to-track 2ms
Average 12ms
Maximum 22ms
Nominal Power Requirements:
Logic +5V(±5%)
Start 4.7watts
Seeking 2.6watts
Reading/Writing 2.3watts
Idle 0.9watts
Standby 0.25watts
Sleep 0.1watts
Other:
Rotational Speed 4,200rpm
Average Latency 7.14ms
Interface ATA-2/3/4/5/6
Buffer 8MB
Physical & Environmental Specs
Dimensions/Weight:
Height 0.37" (9.5mm)
Width 2.75" (69.85mm)
Depth 3.94" (100mm)
Weight: 3.35 oz (94g)
Ambient Temperature:
Operating 41° - 131°F (5 to 55°C)
Non-Operating -4° - 140°F (-20 to 60°C)
Shipping -40° - 158°F (-40 to 70°C)
Vibration and Shock:
Operating Vibration 9.8 m/s2 (1.0G), 5 - 500 Hz
Operating Shock 200g
Non-Operating Shock 800g
Reliability Characteristics
Error Rates:
Non-recoverable 1 in 1013 bits
Seek 1 in 106 seeks
Other:
Preventive Maintenance None
MTTF (Power on hours) 300,000
Product Life 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.
While Toshiba has made every effort at the time of publication to ensure the accuracy of the information provided herein, product -specifications, configurations, prices, system/component/options availability are all subject to change without notice.