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DiamondMax 20 Serial ATA Product Manual, Rev. A
9
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
STM3160811AS
STM380811AS
8 Mbytes (8,192 kbytes)
STM3160211AS
STM380211AS
STM340211AS
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 GB models
80 and 40 GB model
380 grams (0.838 pounds)
365 grams (0.805 pounds)