Seagate ST3000DM001 Barracuda 7200.9 SATA Product Manual - Page 17

Recording and interface technology, Physical characteristics

Page 17 highlights

2.4 Recording and interface technology Interface Recording method Recording density KBPI (kbits/inch max) Track density KTPI (ktracks/inch avg) Areal density (Gbits/inch2 avg) Spindle speed (RPM) (± 0.2%) Average latency (msec) Internal data-transfer rate (Mbits/sec max) Sustained data transfer rate OD (Mbytes/sec max) I/O data-transfer rate (Mbytes/sec max) Interleave Cache buffer ST3160811AS ST3120811AS ST380811AS ST3160211AS ST3120211AS ST380211AS ST340211AS 2.5 Physical characteristics Maximum height Maximum width Maximum length Max weight (mm) (inches) (mm) (inches) (mm) (inches) 160 and 120 GB models 80 and 40 GB model Serial ATA (SATA) 16/17 EPRML 756.09 141.95 103.8 7,200 4.16 867.2 80 300 1:1 8 Mbytes (8,192 kbytes) 2 Mbytes (2,048 kbytes) 19.99 0.787 101.6 4.000 +/- 0.010 146.99 5.787 380 grams (0.838 pounds) 365 grams (0.805 pounds) Barracuda 7200.9 Serial ATA Product Manual, Rev. C 11

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Barracuda 7200.9 Serial ATA Product Manual, Rev. C
11
2.4
Recording and interface technology
2.5
Physical characteristics
Interface
Serial ATA (SATA)
Recording method
16/17 EPRML
Recording density KBPI (kbits/inch max)
756.09
Track density KTPI (ktracks/inch avg)
141.95
Areal density (Gbits/inch
2
avg)
103.8
Spindle speed (RPM) (± 0.2%)
7,200
Average latency (msec)
4.16
Internal data-transfer rate (Mbits/sec max)
867.2
Sustained data transfer rate OD (Mbytes/sec max)
80
I/O data-transfer rate (Mbytes/sec max)
300
Interleave
1:1
Cache buffer
ST3160811AS
ST3120811AS
ST380811AS
8 Mbytes (8,192 kbytes)
ST3160211AS
ST3120211AS
ST380211AS
ST340211AS
2 Mbytes (2,048 kbytes)
Maximum height
(mm)
(inches)
19.99
0.787
Maximum width
(mm)
(inches)
101.6
4.000 +/- 0.010
Maximum length
(mm)
(inches)
146.99
5.787
Max weight
160 and 120 GB models
80 and 40 GB model
380 grams (0.838 pounds)
365 grams (0.805 pounds)