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4 SV35.3 Series Serial ATA Product Manual, Rev. B
Table 1: Drive specifications summary for 1000, 750 and 500 Gbyte models
Drive specification ST31000340SV ST3750330SV ST3500320SV
Formatted capacity (512 bytes/sector)* 1000 Gbytes 750 Gbytes 500 Gbytes
Guaranteed sectors 1,953,525,168 1,465,149,168 976,773,168
Heads 8 6 4
Discs 4 3 2
Bytes per sector 512
Default sectors per track 63
Default read/write heads 16
Default cylinders 16,383
Recording density 1,090 kbits/in max
Track density 150 ktracks/in avg
Areal density 164 Gbits/in
2
avg
Internal data transfer rate 1,287 Mbits/sec max
Sustained data transfer rate OD 105 Mbytes/sec max
I/O data-transfer rate 300 Mbytes/sec max
ATA data-transfer modes supported PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–6
Cache buffer 32 Mbytes
Height (max) 26.11 mm (1.028 inches)
Width (max) 101.6 mm (4.000 inches) +/- 0.010 inches
Length (max) 146.99 mm (5.787 inches)
Weight (typical) 677 grams 633 grams 544 grams
Power-on and Standby to ready 17 sec max 15 sec max 13 sec max
Track-to-track seek time <0.5 msec typical read;
<1.5 msec typical write
Average seek, read <16.0 msec typical
Average seek, write <16.5 msec typical
Startup current (typical) 12V (peak) 2.0 amps
Voltage tolerance (including noise) 5V +10% / -7.5%
12V +10% / -7.5%
Operating temperature (Drive Case) 0° to 70°C
Non-operating temperature (Drive Case) –40° to 70°C
Temperature gradient 20°C per hour max (operating)
30°C per hour max (nonoperating)
Relative humidity 5% to 90% (operating)
5% to 95% (nonoperating)
Relative humidity gradient 30% per hour max
Wet bulb temperature 37.7°C max (operating)
40.0°C max (nonoperating)
Altitude, operating –60.96 m to 3,048 m
(–200 ft. to 10,000+ ft.)
Altitude, nonoperating
(below mean sea level, max)
–60.96 m to 12,192 m
(–200 ft. to 40,000+ ft.)
Operational Shock 63 Gs at 2 msec max
Non-Operational Shock 300 Gs at 2 msec max
Vibration, operating 5–22 Hz: 0.25 Gs, Limited displacement
22–350 Hz: 0.50 Gs
350–500 Hz: 0.25 Gs