Recording And Interface Technology; Physical Characteristics; Start/Stop Times - Seagate Barracuda ST3160811AS Product Manual

2.4

Recording and interface technology

Interface
Recording method
Recording density KBPI (kbits/inch max)
Track density KTPI (ktracks/inch avg)
2
Areal density (Gbits/inch
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
(mm)
(inches)
Maximum width
(mm)
(inches)
Maximum length
(mm)
(inches)
Max weight
160 and 120 GB models
80 and 40 GB model
2.6

Start/stop times

Power-on to Ready (sec)
Standby to Ready (sec)
Ready to spindle stop (sec)
Barracuda 7200.9 Serial ATA Product Manual, Rev. A
avg)
<10
<10
12 (max)
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)
11