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SPECIFICATIONS – MK4018GAP (HDD2166)
General
Model MK4018GAP (HDD2166)
Interface ATA-2/3/4/5
Functionality
Formatted Capacity 40.0078GB*
Rotational Speed 4,200rpm
Avg. Rotational Latency 7.14/ms
Spin-up Time 4sec (typical)
Buffer 2MB
Seek Time (Average) 12
Internal Transfer Rate 156.9 ~ 290.4Mbits/sec (max)
Host Transfer Rate 100Mbytes/sec
*Toshiba defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.
Internal Drive Characteristics
Number of Disks 2
Number of Read/Write Heads 4
Track Density (TPI) 56.8K
User Data Cylinders 33,280
Logical Cylinders 16,383
Logical Heads 16
Logical Sectors/track 63
Bytes per Sector 512
Logical Blocks (LBA) 78,140,160
Reliability
Preventative maintenance None
Nonrecoverable read errors 1 error per 10
13
bits read
Electrical
Voltage 5V ±5%
Power Consumption
Start 2.7W typ
Seek 2.45W typ
Read/Write 2.25W typ
Sleep 0.1W typ
Energy Consumption Efficiency 0.035W/GB avg
Shock
Operating 175g
Non-Operating 800g