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Momentus 7200.1 SATA Product Manual, Rev. B
2.4 Physical organization
2.5 Recording and interface technology
2.6 Physical characteristics
Drive model Read/write heads Number of discs
ST910021AS 4 2
ST980825AS 4 2
ST96023AS 3 2
ST94015AS 2 1
Interface Serial ATA (SATA)
Recording method 16/17 EPRML
Recording density BPI (bits/inch max) 700,000
Track density TPI (tracks/inch max) 114,000
Areal density (Mbits/inch
2
max) 81
Spindle speed (RPM) (± 0.2%) 7,200
Maximum Internal transfer rate (Mbits/sec) 539
Sustained transfer rate OD (Mbytes/sec max) 45.8
I/O data-transfer rate (Mbytes/sec max) 150 (SATA 1.0)
Interleave 1:1
Cache buffer 8 Mbytes (8,192 kbytes)
Drive specification
Height (mm)
(inches)
9.5 +/-0.2
0.374 +/-0.0078
Width (mm)
(inches)
69.85 +/-0.25
2.75 +/-0.0098
Length (mm)
(inches)
100.5+/-1.6
3.957 +/- 0.063
Typical weight (grams)
(pounds)
115 grams
(0.254 lb)