Seagate ULTRA ATA ST320423A - Manual (Page 14)

6 U10 Family Product Manual, Rev. A
1.3 Recording and interface technology
1.4 Physical characteristics
Interface ATA
Recording method 24/26 EPRML
Recording density BPI (bits/inch) 396,067
Track density TPI (tracks/inch) 20,107
Areal density (Mbits/inch 2 max) 7,964
Spindle speed (RPM) (
±
0.2%) 5,400
Internal data-transfer rate
(Mbits/sec max)
308
I/O data-transfer rate
(Mbytes/sec max) 16.6 (PIO mode 4)
66.6 (Ultra DMA mode 4)
Interleave 1:1
Cache buffer (Kbytes) 512
Drive Specification ST320423A, ST315323A
ST310212A
Maximum height (mm)
(inches)
26.1
1.028
Maximum width (mm)
(inches) 101.85
4.00
Maximum length (mm)
(inches)
147.0
5.78
Typical weight (grams)
(pounds) 544
1.2