Seagate Barracuda ST34573LC 4.5GB 80-PIN = GWAR FV

13-04-2015, 0:53
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Cena kup teraz: 350 zł

Użytkownik A-PRESS

numer aukcji: 5084114638

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Stan: Nowy

Dysk SCSI
Seagate Barracuda ST34573LC 4.5Gb SCSI 80-pin

General

Manufacturer

Seagate

Model number

ST34573LC

Model name

Barracuda 4LP

Interface

SCSI Ultra-2

Functionality

Formatted capacity

4.55 GB

Rotational speed

7200 rpm

Average rotational latency

4.17 ms

Interleave factor

1:1

Spin-up time

25 sec (maximum)

Stop time

<20 sec

Cache

1 MB

Seek time (Average, including controller overhead):

Read

7.4 ms (typical)

Write

8.2 ms (typical)

Internal Drive Characteristics

Read/write heads

Bytes per track

155,000

Megabytes per surface

1,165

Tracks per surface

7,501

Reliability

MTBF

1,000,000 POH

Service life

5 years

Preventive maintenance

none required

Data errors:

Seek error rate

<10 in 10⁸

Unrecovered data

<1 sector in 10¹⁵ bits transferred

Miscorrected data

<1 sector in 10²¹ bits transferred

SMART-compliant

yes

Electrical

Voltages

+5 VDC (� 5%)
+12 VDC (� 5%)

Heat/Power Dissipation

Typical seek/read DC power dissipation

16.8 W (57.3 BTU/hr)

Typical power dissipation (idle state)

9.75 W (33.3 BTU/hr)

Shock*

Operating:

Normal (error-free operation)

5 G

Abnormal (damage-free operation)

10 G

Nonoperating

75 G

* Half-sine wave, 11-ms maximum duration

Physical

Height

25.4 mm (1.0 inches)

Width

101.6 mm (4.0 inches)

Depth

146.05 mm (5.75 inches)

Weight

0.589 kg (1.3 lb)

Environmental
Temperature:
Operating¹	5�C to 50�C (41�F to 122�F) ambient
Nonoperating¹	-40�C to 70�C (-40�F to 158�F)
Humidity:
Operating	5% to 95% RH (noncondensing)
Nonoperating	5% to 95% RH (noncondensing)
Altitude:
Operating	-305 to 3048 m (-1000 to 10,000 ft)
Nonoperating	-305 to 12,210 m (-1000 to 40,000 ft)
¹ Maximum gradient of 20�C (36�F) per hour

Regulatory

UL 1950
CSA standard C22.2 No. 950-95
VDE 0805 and EN60950

Features

Integrated SCSI controller
Asynchronous and synchronous data transfer protocols
Firmware downloadable via SCSI interface
Programmable sector reallocation scheme
Programmable auto write and read allocation
Reallocation of defects on command (post format)
Enhanced ECC correction capability up to 185 bits
Sealed head and disc assembly
No preventive maintenance or adjustments required
Dedicated head-landing zone
Embedded servo design
Self-diagnostics performed when power is applied to the drive
1:1 interleave factor
Zoned bit recording (ZBR)
Vertical, horizontal, or top-down mounting
Dynamic spindle brake
1-MB data buffer
Hot plug compatibility
Low audible noise for office environment
Low power consumption

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