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
(
×
10
6
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 43221
Discs 22111
Recording density
BPI (bits/inch max) 477,800
Track density
TPI (tracks/inch) 31,100
Areal density
(Mbits/inch
2
max) 14,860
Spindle speed
(RPM) 5,400
Internal data-trans-
fer rate (Mbits/sec
max)
376
I/O data-transfer
rate (Mbytes/sec
max)
100
ATA data-transfer
modes supported
PIO modes 0–4
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
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