Seagate ST3250824SCE 用户手册

8

DB35.2 Serial ATA Product Manual, Rev. C

Formatted Gbytes (512 bytes/sector)*

160

120

80

Guaranteed sectors

312,581,808

234,441,648

156,301,488

Bytes per sector

512

Default sectors per track

63

Default read/write heads

16

Default cylinders

16,383

Recording density in BPI (kbits/inch max)

840.0

Track density TPI (ktracks/inch avg)

141.5

Areal density (Gbits/inch

2 

avg)

119.0

Spindle speed (RPM)

7,200

Internal data transfer rate (Mbits/sec max)

867.2

Sustained transfer rate (Mbytes/sec max)

83.0

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

300

ATA data-transfer modes supported

PIO modes 0–4

 

Multiword DMA modes 0–2

 

Ultra DMA modes 0–6

SATA data-transfer modes supported

3.0 Gbits/sec

 

1.5 Gbits/sec

Cache buffer 

2 Mbytes

Height (max)

26.1 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)

580 grams (1.28 lb.)

Average latency (msec)

4.16

Power-on to ready (typical)

16 secs

Standby to ready (typical)

16 secs

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 Profile)

4.91 watts

5.25 watts

Idle mode (typical)

8.00 watts

Standby mode (typical)

0.800 watts

Sleep mode (typical)

0.800 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)