Твърд диск 750GB Seagate, ATA/100, 7200rpm, 8MB

DB35 Series™ 7200.3 Ultra ATA/100 750-GB Hard Drive

ST3750840ACE
The Seagate® DB35.3 Series™ hard drive features perpendicular recording technology for maximum capacity and reliability. Designed specifically for use in DVRs, these drives deliver the performance, power efficiency and reliability DVR manufacturers need to design superior products.

Specifications 750 GB
Model Number ST3750840ACE
Interface Ultra ATA/100
Cache 8 MBytes
Capacity 750 GB
Guaranteed Sectors 1,465,149,168
Number of pins on the I/O connector 40

PHYSICAL
Height (max) 26.1 mm (1.028 inches)
Width (max) 101.6 mm (4.010 inches)
Length (max) 146.99 mm (5.787 inches)
Weight (typical) 720 grams (1.59 pounds)

COMPLIANCE
European Union Restriction of Hazardous Substances Y

PERFORMANCE
Spindle Speed 7200 rpm
Sustained data transfer rate 78 Mbytes/sec.
Average latency 4.16 msec
Random read seek time <11.0 msec
Random write seek time <12.0 msec
Maximum interface transfer rate 100 Mbytes/sec.

RELIABILITY
Annual Failure Rate 0.68%
Unrecoverable read errors 1 in 10^14

POWER
Average idle current 9.30 watts
Average seek power 8.20 watts
Standby power 0.80 watts
Sleep power 0.807 watts
Maximum start current, DC 2.00 amps

ENVIRONMENT

Ambient Temperature
Operating 0 to 60 degrees C
Nonoperating -40 to 70 degrees C
Maximum operating temperature change 20 degrees C per hour
Maximum nonoperating temperature change 30 degrees C per hour
Maximum operating case temperature 75 degrees C

Relative Humidity
Operating 5 to 90
Nonoperating 5 to 95
Maximum allowable humidity change 30 per hour

Altitude
Operating altitude (min) -60.96 meters (-200 feet)
Operating altitude (max) 3,048 meters (10,000 feet)
Nonoperating altitude (min) -60.96 meters (-200 feet)
Nonoperating altitude (max) 12,192 meters (40,000 feet)

Shock
Operating Shock (max) 63 Gs at 2 msec
Nonoperating Shock (max) 300 Gs at 2 msec

Vibration
Operating vibration 0.25 Gs at5-22 Hz
Operating vibration 0.50 Gs at 22-350 Hz
Operating vibration 0.25 Gs at 350-500 Hz
Nonoperating vibration 0.25 Gs at 5-22 Hz
Nonoperating vibration 5.0 Gs at 22-350 Hz
Nonoperating vibration 1.0 Gs at 350-500 Hz

ACOUSTICS
Acoustics (Idle Volume) 2.8 bels
Acoustics (Seek Volume) 3.0 bels

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