Drawing No. Sheet No. Revision
６
K6610091
10/43 2005/2/23
3 Description
3.1 Characteristics
Table 3.1 Characteristics
Item Specifications
Ultrastar
10K300-300
Ultrastar
10K300-147
Ultrastar
10K300-73
Ultrastar
10K300-36
unit
Configuration Storage capacity
GB
(formatted) (see Note 1,2,13)
300 147 73 36
Bytes/sector (see Note 3)
512, 514, 516, 520, 522, 524, 528
Bytes
Number of disks
5
3
2
1
Number of heads
10
5
3
2
Areal
density
61
Gb/inch2
Recording
method
MNP
Performance Seek time
average
4.7 / 5.1
4.5 / 4.9
4.3 / 4.8
4.3 /4.8
ms
read / write
full stroke
10 / 11
ms
(see Note 5)
1 track
0.40 / 0.45
ms
Average
latency
2.99
ms
Rotational
speed
10025
rpm
Data transfer rate (In drive)
581 – 1075
Mb/s
Start time (see Note 5)
25
s
Data transfer
rate
(Controller)
Single-Ended Asynchronous
Fast-5
Fast-10
Ultra (Fast-20)
5.0 max.
10.0 max.
20.0 max.
40.0 max.
MB/s
(see Note 4)
LVD
Ultra2 (Fast-40)
Ultra160 (Fast-80)
Ultra320 (Fast-160)
80.0 Max.
160.0 max.
320.0 max.
Buffer
size
8M
Bytes
Typ.
3sigma
Typ.
3sigma
Typ.
3sigma
Typ.
3sigma
Power
12V Spin-up, peak
- 2.45
- 2.45
- 2.28 - 2.28
A
requirement
12V Seek, peak
- 2.52
- 2.32
- 2.15 - 2.00
A
12V Idle, ave.
(Note15)
0.68 0.80 0.46 0.64 0.42 0.54 0.33 0.46
A
5V R/W, peak
- 1.79
- 1.79
- 1.79 - 1.79
A
5V Read, ave.
1.55 1.64 1.55 1.64 1.55 1.64 1.55 1.64
A
5V Write, ave.
1.45 1.54 1.45 1.54 1.45 1.54 1.45 1.54
A
5V Idle, ave.
(Note15)
0.60 0.70 0.60 0.70 0.60 0.70 0.60 0.70
A
Physical
length x width x height
146.0x101.6x25.4
mm
dimensions
Weight
(Approximately)
0.75 0.72 0.74 0.73 kg
Power
dissipation
+12V Idle / +5V Idle, (Average)
11.2
8.5
8.0
7.0
W
Energy consumption rate (see Note 12)
0.038
0.062
0.110
0.195
Note: Ultrastar 10K300-300 specification values also apply to Ultrastar
10K300-147 when logically depopulated to a 147GB capacity.
