Hitachi C4K60 Specifications - Page 14

Specification Summary, Principal Specifications, Travelstar, C4K60-30, C4K60-20 - ide

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3.0 Specification Summary 3.1. Principal Specifications Table 3.1 Principal Specifications Specifications No. Item Model name 1 Capacity per drive (Formatted) Capacity per sector Disks Heads 2 Seek time Average (Nominal Full stroke value) Track to track 3 Average latency Disk rotational speed 4 Recording density (Max.) Track density Recording method 5 Interface Data transfer rate (Disk-Buffer) Data transfer rate (Host-Buffer) Buffer size 6 Power on - Ready *2 Sleep/Standby - Ready *2 7 Dimensions (W H D) Weight (Approximate value) 8 DC Power Requirements *4 - Start up (Max.) *5 - Idle (Ave.) *6 - Active Idle (Ave.) *7 - Seek (Ave.) *8 - Read/Write (Ave.) *9 - Standby (Ave.) - Sleep (Ave.) Travelstar Travelstar C4K60-30 C4K60-20 HTC426030G7CE00 HTC426020G7CE10 30.005 20.003 512 1 1 2 2 15 *1 26 *1 3 7.1 4,200 32.8 (832) 28.1 (713) 4.65 (118.0) 4.13 (105.0) ME2PRML, ID-Less format ATA-6(IDE) 18.4 - 34.0 15.9 - 29.7 Max. 16.6 (PIO mode 4/ Multiword DMA mode 2) Max. 100 (Ultra DMA mode 5) 2,048 5 (Typical) *3 3 (Typical) *3 70 7.0 54 46 +3.3 v 5%, Ripple noise 100mvp-p 1.4 0.25 0.45 1.1 1.0/1.1 0.08 0.07 Units GB Bytes ms ms ms ms RPM Mbpm(kBPI) Mtpm(kTPI) MB/sec MB/sec MB/sec kB sec sec mm grams W K6610170 Rev.2 Dec 22, 2004 - 14 -

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K6610170
Rev.2
Dec 22, 2004
- 14 -
3.0
Specification Summary
3.1.
Principal Specifications
Table 3.1
Principal Specifications
Specifications
No.
Item
Travelstar
C4K60-30
Travelstar
C4K60-20
Units
Model name
HTC426030G7CE00
HTC426020G7CE10
1
Capacity per drive (Formatted)
30.005
20.003
GB
Capacity per sector
512
Bytes
Disks
1
1
Heads
2
2
2
Seek time
Average
15
*1
ms
(Nominal
Full stroke
26
*1
ms
value)
Track to track
3
ms
3
Average latency
7.1
ms
Disk rotational speed
4,200
RPM
4
Recording density (Max.)
32.8 (832)
28.1 (713)
Mbpm(kBPI)
Track density
4.65 (118.0)
4.13 (105.0)
Mtpm(kTPI)
Recording method
ME
2
PRML, ID-Less format
5
Interface
ATA-6(IDE)
Data transfer rate (Disk-Buffer)
18.4 – 34.0
15.9 – 29.7
MB/sec
Data transfer rate (Host-Buffer)
Max. 16.6
MB/sec
(PIO mode 4/ Multiword DMA mode 2)
Max. 100 (Ultra DMA mode 5)
MB/sec
Buffer size
2,048
kB
6
Power on - Ready
*2
5 (Typical)
*3
sec
Sleep/Standby - Ready
*2
3 (Typical)
*3
sec
7
Dimensions (W
×
H
×
D)
70
×
7.0
×
54
mm
Weight (Approximate value)
46
grams
8
DC Power Requirements
*4
- Start up (Max.) *
5
- Idle (Ave.) *
6
- Active Idle (Ave.) *
7
- Seek (Ave.) *
8
- Read/Write (Ave.) *
9
- Standby (Ave.)
- Sleep (Ave.)
+3.3 v
±
5%,
Ripple noise
100mvp-p
1.4
0.25
0.45
1.1
1.0/1.1
0.08
0.07
W