Hitachi HUS157373EL3600 Description, 1 Characteristics, Meeprml, 160.0 max, 320.0 max, Power

3Description

3.1 Characteristics

Table 3.1 Characteristics

Item

Specifications

Ultrastar 15K73-73

Ultrastar 15K73-36

unit

Configuration

Storage capacity

73.9

36.9

GB

(formatted)

(see Note 1,2,13)

Bytes/sector

(see Note 3)

512, 516, 520, 524, 528,1024

Bytes

Number of disks

5

3

Number of heads

10

5

Areal density

31.2

Gb/inch2

Recording method

MEEPRML

Performance

Seek time

average

3.9 / 4.2

ms

read / write

full stroke

7.2 / 8

ms

(see Note 5)

1 track

0.4 / 0.5

ms

Average latency

1.99

ms

Rotational speed

15037

rpm

Data transfer rate (In drive)

684 – 960

Mb/s

Start time (see Note 5)

25

s

Data transfer

Single-Ended

Asynchronous

5.0 max.

MB/s

rate

Fast-5

10.0 max.

(Controller)

Fast-10

20.0 max.

Ultra (Fast-20)

40.0 max.

(see Note 4)

LVD

Ultra2 (Fast-40)

80.0 Max.

Ultra160 (Fast-80)

160.0 max.

Ultra320 (Fast-160)

320.0 max.

Buffer size

8M

Bytes

Typ.

3sigma

Typ.

3sigma

(Note5)

(Note 5)

Power

12V Spin-up, peak

2.20

2.44

2.20

2.44

A

requirement

12V Seek, peak

2.64

2.85

2.45

2.65

A

12V Idle, ave.

0.75

0.81

0.57

0.62

A

5V R/W, peak

1.54

1.65

1.54

1.65

A

5V Read, ave.

1.45

1.56

1.45

1.56

A

5V Write, ave.

1.20

1.28

1.20

1.28

A

5V Idle, ave.

0.60

0.64

0.60

0.64

A

Physical

length x width x height

146.0x101.6x25.4

mm

dimensions

weight

0.69

0.67

kg

Power

+12V Idle / +5V Idle, (Average)

12.0

9.8

W

dissipation

Energy consumption rate (see Note 12)

0.162

0.266

Drawing No. Sheet No. Revision 5
K6602906	10/46	2003/6/12