Filter
Top Products
Momentus 7200 FDE.1 SATA Product Manual, Rev. A
5
2.0 Drive specifications
Unless otherwise noted, all specifications are measured under ambient conditions, at 25°C, and nominal
power.
2.1 Specification summary table
The specifications listed in this table are for quick reference. For details on specification measurement or defi-
nition, see the appropriate section of this manual.
Table 2: Drive specifications
Drive specification
ST9320424AS
ST9320424ASG
ST9250424AS
ST9250424ASG
ST9160414AS
ST9160414ASG
ST9120414AS
ST9120414ASG ST980414ASG
Formatted Gbytes (512 bytes/sector)* 320 250 160 120 80
Guaranteed sectors 625,142,448 488,397,168 312,581,808 234,441,648 156,301,488
Bytes per sector 512
Physical read/write heads 4 3 2 2 1
Discs 2 2 1 1 1
Cache (Mbytes) 16
Recording density in BPI (bits/inch max) 1,334k
Track density TPI (tracks/inch max) 190k
Areal density (Gbits/inch
2
max) 253
Spindle speed (RPM) 7.200
Internal transfer rate (Gbits/sec max) 1.1
I/O data transfer rate (Gbits/sec max) 3.0
ATA data-transfer modes supported SATA 1.5/3.0, Serial ATA Revision 2.6
PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Height (max) 9.5 +/- 0.2 mm (0.374 +/- .0078 inches)
Width (max) 69.85 +/- .249 mm (2.75 +/- .0098 inches)
Length (max) 100.33 +/- 0.25 mm (3.95 +/- .010 inches)
Weight (typical) 110 grams (0.238 lb) 105 grams (0.227 lb)
Average latency (msec) 4.17
Power-on to ready (sec typical) 4.0
Standby to ready (sec typical) 3.0
Track-to-track seek time, read (msec typical) 1.0
Average seek, read (msec typical) 11.0
Average seek, write (msec typical) 13.0
Startup current, +5V (max) 1.0 amps
Seek power (typical) 2.3 watts