2

U Series 5 Family Product Manual, Rev. B

Specification summary table

The specifications listed in this table are for quick reference. For details on specification measurement or definition, see the appropriate section of this manual.

Drive Specification

ST340823A

ST330621A

ST320413A

ST315311A

ST310211A

 

 

 

 

 

 

 

 

 

 

 

 

Formatted Gbytes

 

 

 

 

 

(×106 bytes)

40

30

20

15

10

Guaranteed sectors

78,165,360

58,633,344

39,102,336

29,336,832

19,541,088

 

 

 

 

 

 

Bytes per sector

 

 

512

 

 

 

 

 

 

 

 

Default sectors per

 

 

 

 

 

track

 

 

63

 

 

 

 

 

 

 

 

Default read/write

 

 

 

 

 

heads

 

 

16

 

 

 

 

 

 

 

 

Default cylinders

 

 

16,383

 

 

 

 

 

 

 

 

Physical read/write

 

 

 

 

 

heads

4

3

2

2

1

 

 

 

 

 

 

Discs

2

2

1

1

1

 

 

 

 

 

 

Recording density

 

 

 

 

 

BPI (bits/inch max)

 

 

477,800

 

 

 

 

 

 

 

 

Track density

 

 

 

 

 

TPI (tracks/inch)

 

 

31,100

 

 

 

 

 

 

 

 

Areal density

 

 

 

 

 

(Mbits/inch2 max)

 

 

14,860

 

 

Spindle speed

 

 

 

 

 

(RPM)

 

 

5,400

 

 

 

 

 

 

 

 

Internal data-trans-

 

 

 

 

 

fer rate (Mbits/sec

 

 

376

 

 

max)

 

 

 

 

 

 

 

 

 

 

 

I/O data-transfer

 

 

 

 

 

rate (Mbytes/sec

 

 

100

 

 

max)

 

 

 

 

 

 

 

 

 

ATA data-transfer

 

PIO modes 0–4

 

modes supported

 

Multiword DMA modes 0–2

 

 

 

Ultra DMA modes 0–5

 

 

 

 

 

 

 

Cache buffer

 

 

 

 

 

(Mbytes)

 

 

1

 

 

 

 

 

 

 

 

Height (mm max)

 

 

26.1

 

 

 

 

 

 

 

 

Width (mm max)

 

 

101.85

 

 

 

 

 

 

 

 

Length (mm max)

 

 

147.0