Seagate BARRACUDA ST3500830AS User Manual download pdf (Page 12)

6 Barracuda 7200.10 Serial ATA Product Manual, Rev. J

Table 2: Drive specifications summary for 500 Gbyte models

Drive specification ST3500630AS ST3500830AS

Formatted capacity (512 bytes/sector)* 500 Gbytes

Guaranteed sectors 976,773,168

Heads 6

Discs 3

Bytes per sector 512

Default sectors per track 63

Default read/write heads 16

Default cylinders 16,383

Recording density 769 kbits/in avg

Track density 141 ktracks/in avg

Areal density 109 Gbits/in

avg

Spindle speed 7,200 RPM

Internal data transfer rate 1,030 Mbits/sec max

Sustained data transfer rate OD (read) 72 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 16 Mbytes 8 Mbytes

Height (max) 26.1 mm (1.028 inches)

Width (max) 101.85 mm (4.010 inches)

Length (max) 146.99 mm (5.787 inches)

Weight (typical) 635 grams (1.40 lbs)

Average latency 4.16 msec

Power-on to ready 15 sec max

Standby to ready 15 sec max

Track-to-track seek time <0.8 msec typical read; <1.0 msec typical write

Average seek, read <8.5 msec typical

Average seek, write <10.0 msec typical

Startup current (typical) 12V (peak) 2.8 amps

Voltage tolerance (including noise) 5V ± 5%

12V ± 10%

Ambient temperature 0° to 60°C (operating)

–40° to 70°C (nonoperating)

Temperature gradient (max) 20°C per hour (operating)

30°C per hour (nonoperating)

Relative humidity 5% to 90% (operating)

5% to 95% (nonoperating)

Relative humidity gradient 30% per hour max

Wet bulb temperature (max) 37.7 °C (operating)

37.7 °C (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 68 Gs max at 2 msec

Non-Operational Shock 300 Gs max at 2 msec

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 ... 67 68

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Seagate BARRACUDA ST3500830AS User Manual Page 12

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