Specification Summary; Principal Specifications - Hitachi DK23EB - Travelstar Series 20 GB Hard Drive Specifications

3.0 Specification Summary

3.1 Principal Specifications

No.
1 Capacity per drive (Formatted)
Capacity per sector
Disks
Heads
Cylinders
2 Seek time
(Nominal
value)
3 Average latency
Disk rotational speed
4 Recording density
Track density
Recording method
5 Interface
Data transfer rate (Disk-Buffer)
Data transfer rate (Host-Buffer)
Buffer size
6 Power on - Ready
Sleep/Standby - Ready *2
7 Dimensions•W×H×D•
Weight (Approximate value)
8 DC Power Requirements *4
(Typical)
K6602743
Rev.2
02.12.'02
Table 3.1 Principal Specifications
Item
Average
Maximum
Minimum
(PIO mode 4/ Multiword DMA mode 2)
*2
+5v ± 5% Ripple noise
- Start up *5
- Idle *6
- Low Power Active *7
-Seek *8
- Read/Write *9
- Standby
- Sleep
Specifications
DK23EB-40
40.007
512
2
4
32,081
13 *1
24 *1
3
5.6
5,400
Max. 24.1 (612)
2.48 (63.0)
2
ME PRML, ID-Less format
ATA-5(IDE)
27.8 – 44.1
Max. 16.6
Max. 100 (Ultra DMA mode 5)
2,048
5 (Typical) *3
3 (Typical) *3
70W×9.5H×100D
95
100mvp-p or less
0.9 A(4.5W)
0.17 A(0.85W)
0.35 A(1.75W)
0.45 A(2.25W)
0.40/0.42 A(2.0/2.1W)
0.03 A(0.15W)
0.02 A(0.1W)
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Units
GB
Bytes
ms
ms
ms
ms
RPM
Mbpm(kBPI)
Mtpm(kTPI)
MB/sec
MB/sec
MB/sec
kB
sec
sec
mm
grams