Computer Drive User Manual

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/inch
2
Recording method MEEPRML+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.