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Momentus 5400.3 SATA Removable Drive Cartridge Product Manual, Rev. D
3
2.0 Removable Drive Cartridge specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal
power. For convenience, the words and phrases RDC, removable drive cartridge, drive, and this drive are used
throughout this manual to indicate the 160GB Momentus 5400.3 SATA Removable Drive Cartridge (RDC).
2.1 Specification summary
The specifications listed below are for quick reference. For details on specification measurement or definition,
see the appropriate section of this manual.
Drive specification 160GB RDC (using ST9160821AS drive)
Formatted Gbytes (512 bytes/sector) 160
Guaranteed sectors 312,581,808
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Physical read/write heads 4
Discs 2
Recording density in BPI (bits/inch max) 870k
Track density TPI (tracks/inch max) 150k
Areal density (Gbits/inch
2
max) 132
Spindle speed (RPM) 5,400
Internal transfer rate (Mbits/sec max) 352
I/O data transfer rate (Mbytes/sec max) 150
ATA data-transfer modes supported SATA 1.0, Serial ATA Revision 2.5 Specification; PIO modes
0–4; Multiword DMA modes 0–2; UDMA modes 0–6
Cache buffer 8 Mbytes
Height (max) 24.50 +/- 0.2 mm (0.965 +/- .0078 inches)
Width (max) 85.7 +/- 0.3 mm (3.374 +/- 0.0118 inches)
Length (max) 111.88 +/- 0.3 mm (4.40 +/- 0.0118 inches)
Weight (typical) 170 grams +/- 3 grams (0.3747 lbs +/- 0.0066 lbs)
Average latency (msec) 5.6
Power-on to ready (typical) 3.0 sec
Standby to ready (typical) 3.0 sec
Startup current, (typical, peak) +5V: 1.0A
Track-to-track seek time (msec typical) 1.0 (read), 1.5 (write)
Average seek, read (msec typical) 12.5
Average seek, write (msec typical) 14.5