SPECIFICATIONS –MK4004GAH (HDD1524) HARD DISK DRIVE

General

 

Model

MK4004GAH (HDD1524)

Interface

ATA-2/3/4/5

Functionality

 

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

15

Maximum

26

Internal Transfer Rate

125.5 ~ 253.1 Mbits/sec (max)

Host Transfer Rate

 

Ultra DMA mode

100Mbytes/sec

PIO Mode

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.

Internal Drive Characteristics

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 1013 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/s2 (250G)(2msec)

Non-Operating

9,800m/s2 (1000G)(1msec)

4

Page 6
Image 6
Toshiba user manual Specifications -MK4004GAH HDD1524 Hard Disk Drive