Seagate ST3200827ACE ユーザーズマニュアル

6

DB35 Series 7200.2 Product Manual, Rev. C

Formatted Gbytes (512 bytes/sector)*

300

250

200

Guaranteed sectors

586,072,368

488,397,168

390,721,968

Bytes per sector

512

Default sectors per track

63

Default read/write heads

16

Default cylinders

16,383

Recording density, KBPI (kbits/in max)

790.1

Track density, KTPI (ktracks/in max)

124.5

Areal density, (Gbits/in

2 

max)

97.69

Spindle speed (RPM)

7,200

Internal data transfer rate (Mbits/sec max)

867.2

Sustained data transfer rate (Mbytes/sec max)

76.6

I/O data-transfer rate (Mbytes/sec max)

100

ATA data-transfer modes supported

PIO modes 0–4
Multiword DMA modes 0–2
Ultra DMA modes 0–5

Cache buffer

8 Mbytes

Height (mm max)

26.1 mm (1.028 inches)

Width (mm max)

101.6 mm (4.000 inches) +/- 0.010 inches

Length (mm max)

146.99 mm (5.787 inches)

Weight (typical) 

655 grams (1.44 lb.)

580 grams (1.28 lb.)

Average latency (msec)

4.16

Power-on to ready (sec max)

16 sec

Standby to ready (sec max)

16 sec

Track-to-track seek time (msec typical)

<0.8 (read),  <1.0 (write)

Average seek (msec typical)

18 (read), 20 (write)

Startup current (typical) 12V (peak)

2.0 amps

Seek power (typical)

12.40 watts

Operating (Consumer Storage Profile)

9.25 watts

Operating (PVR Storage Profile

4.88 watts

Idle mode (typical)

8.00 watts

Standby mode (typical)

0.80 watts

Sleep mode (typical)

0.80 watts

Voltage tolerance (including noise)

5V ± 5%
12V ± 10%

Ambient temperature

0° to 60°C (operating)
–40° to 70°C (nonoperating)

Temperature gradient (°C per hour max)

20°C (operating)
30°C (nonoperating)

Relative humidity

5% to 90% (operating)
5% to 95% (nonoperating)

Relative humidity gradient

30% per hour max

Wet bulb temperature (°C max)

37.7 (operating)
40 (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.)