6
SPECIFICATIONS –MK3021GAS (HDD2181)
General
Model MK3021GAS (HDD2181)
Interface ATA-2/3/4/5
Functionality
Internal Drive Characteristics
Number of Disks 1
Number of Read/Write Heads 2
Track Density (TPI) 78.9k
User Data Cylinders 47,080
Logical Cylinders 16,383
Logical Heads 16
Logical Sectors/track 63
Bytes per Sector 512
Logical Blocks (LBA) 58,605,120
Reliability
Preventative maintenance None
Nonrecoverable read errors 1 error per 10
13
bits read
Electrical
Voltage 5V 5%
Power Consumption
Start 4.7W typ
Seek 2.6W typ
Read/Write 2.3W typ
Sleep 0.1W typ
Energy Consumption Efficiency 0.023W/GB avg
Shock
Operating 1,862m/s
2
(190G)(2msec)
Non-Operating 7,840m/s
2
(800G)(1msec)
Formatted Capacity 30.0058GB
Rotational Speed 4200rpm
Avg. Rotational Latency 7.14/ms
Spin-up Time 4sec (typical)
Buffer 2MB
Seek Time (Average) 12
Internal Transfer Rate 154.3 ~ 298.0 Mbits/sec (max)
Host Transfer Rate 100Mbytes/sec