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6 U Series CE Family Product Manual, Rev. A
1.2 Physical organization
1.3 Recording and interface technology
1.4 Physical characteristics
Drive Model Read/Write heads (GMR) Number of discs
ST380020ACE 4 2
ST360020ACE 3 2
ST340810ACE 2 1
ST320410ACE 1 1
Interface ATA
Recording method 96/102 GPRML
Recording density BPI (bits/inch) 562,436
Track density TPI (tracks/inch) 58,000
Areal density (Mbits/inch
2
max) 32,622
Spindle speed (RPM) (
±
0.2%) 5,400
Internal data-transfer rate
(Mbits/sec max) 436
I/O data-transfer rate
(Mbytes/sec max)
16.6 (PIO mode 4)
100 (Ultra DMA mode 5)
Interleave 1:1
Cache buffer (Mbytes) 2
Drive Specification ST380020ACE, ST360020ACE
ST340810ACE, ST320410ACE
Maximum height
(mm)
(inches)
26.1
1.028
Maximum width
(mm)
(inches)
101.8
4.020
Maximum length (mm)
(inches)
147.0
5.78
Typical weight (grams)
(pounds)
680
1.5