Seagate SV35.4 User Manual

4

SV35.4 Series SATA Product Manual, Rev. B

Formatted capacity

 

(512 bytes/sector)*

320 Gbytes

Guaranteed sectors

625,142,448

Heads

2

Discs

1

Bytes per sector

512

Default sectors per track

63

Default read/write heads

16

Default cylinders

16,383

Recording density

1,242 kbits/in max

Track density

173 ktracks/in avg

Areal density

215 Gbits/in

2 

avg

Internal data transfer rate

1,201 Mbits/sec max

Sustained data transfer rate

90 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

Height (max)

20.20 mm (0.795 inches)

Width (max)

101.85 mm (4.010 inches)

Length (max)

146.99 mm (5.787 inches)

Weight (typical)

380 grams (0.838 lb.)

Power-on to ready

16 sec max

Track-to-track seek time

<1.0 msec typical read;

 

<1.2 msec typical write

Average seek, read

<14.0 msec typical

Average seek, write

<15.0 msec typical

Startup current (typical) 12V (peak)

2.0 amps

Voltage tolerance (including noise)

5V ± 5%

 

12V ± 10%

Operating temperature

 

(Drive Case temperature)

0° to 75°C

Nonoperating temperature (Ambient)

–40° to 70°C

Temperature gradient (max)

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 (max)

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

70 Gs at 2 msec max

Non-Operational Shock

350 Gs at 2 msec max