Product manual

Barracuda ATA V Product Manual, Rev. E 7
2.5 Recording and interface technology
2.6 Physical characteristics
Interface ATA
Recording method 16/17 EPRML
Recording density BPI (bits/inch max) 542,000
Track density TPI (tracks/inch max) 78,000
Areal density (Mbits/inch
2
max) 42,200
Spindle speed (RPM) (± 0.2%) 7,200
Max. Internal transfer rate (Mbits/sec) 570
Sustained transfer rate
(Mbytes/sec)
27 to 44
I/O data transfer rate
(Mbytes/sec max)
16.6 (PIO mode 4)
100 (Ultra DMA mode 5)
Interleave 1:1
Cache buffer 2 Mbytes (2,048 kbytes)
Drive specification
ST3120023A
ST380023A
ST360015A
ST340017A
ST330013A
Maximum height (mm)
(inches)
26.1
1.028
26.1
1.028
Maximum width (mm)
(inches)
101.85
4.01
101.85
4.01
Maximum length (mm)
(inches)
147.0
5.787
147.0
5.787
Typical weight (grams)
(pounds)
635
1.40
635
1.40