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SPECIFICATIONS –MK4004GAH (HDD1524) HARD DISK DRIVE
General
Model MK4004GAH
(HDD1524)
Interface ATA-2/3/4/5
Functionality
Internal Drive Characteristics
Formatted Capacity
40.0GB*
Rotational Speed
4,200rpm
Avg. Rotational Latency
7.14/ms
Spin-up Time
3.5sec (typical)
Buffer 512KB
Seek Time
Average
Maximum
15
26
Internal Transfer Rate
125.5 ~ 253.1 Mbits/sec (max)
Host Transfer Rate
Ultra
DMA
mode
PIO
Mode
100Mbytes/sec
16.6Mbytes/sec
Interleave Factor
1:1
*Toshiba defines a megabyte (MB) as 1,000,000 bytes and a gigabyte (GB) as 1,000,000,000 bytes.
Number of Disks
2
Number of Data Heads
4
Track Density (TPI)
3,465 (88.0k)
Logical Cylinders
16,383
Logical Heads
16
Logical Sectors/track
63
Bytes per Sector
512
Logical Blocks (LBA)
78,126,048
Reliability
Preventative maintenance
None
Non-recoverable read errors
1 error per 10
13
bits read
Electrical
Voltage 3.3V
5%
Power Consumption
Start 1.3W
typ
Seek
1.4W typ
Read/Write
1.4W typ
Sleep
0.08W typ
Energy Consumption Efficiency
0.01W/GB avg
Shock
Operating 2,450m/s
2
(250G)(2msec)
Non-Operating 9,800m/s
2
(1000G)(1msec)
