Seagate Barracuda IDE ATA/100 Hard Drive ST3400832A
Capacity: 400GB
Spindle Speed: 7,200RPM
Interface Type: IDE / ATA (3.5″)
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 65
Average Seek Time (read/write ms): 8 / 9
Electrical Interface Speed: EIDE / Ultra ATA/100 – 100MBps
On-Board Cache: 8MB
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Seagate Barracuda 7200.8 drives provide high-performance, highly- reliable storage for PCs and advanced applications, backed up by an industry-leading five-year warranty. Their best-in-class combination of capacity, performance, and support ideally suit them for such applications as high-performance PCs, media PCs, PATA-based servers and RAIDs, and cost-effective network attached storage (NAS).
- 7,200 RPM SoftSonic motor
Whisper-quiet acoustics and high reliability in a high-performance environment.
- RoHS-compliant
Significantly reduced levels of lead complies with all environmental legislation.
- Enhanced G-Force Protection
High nonoperating shock specification ensures top reliability and durability during shipment and integration.
Compatibility
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Specifications
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Drive specification
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ST3400832A
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ST3400632A
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Formatted Gbytes (512 bytes/sector)*
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400
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Guaranteed sectors
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781,422,768
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Bytes per sector
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512
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Default sectors per track
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63
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Default read/write heads
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16
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Default cylinders
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16,383
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Recording density in BPI (bits/inch max)
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763,000
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Track density TPI (tracks/inch avg)
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120,000
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Areal density (Mbits/inch2 avg)
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91,560
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Spindle speed (RPM)
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7,200
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Internal data transfer rate (Mbytes/sec max)
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95
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Sustained transfer rate OD (Mbytes/sec)
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65
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I/O data transfer rate (Mbytes/sec max)
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100
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ATA data-transfer modes supported
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PIO modes 0–4Multiword DMA modes 0–2Ultra DMA modes 0–5
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Cache buffer
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8 Mbytes
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16 Mbytes
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Height (max)
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26.11 mm (1.028 inches)
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Width (max)
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101.85 mm (4.010 inches)
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Length (max)
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146.99 mm (5.787 inches)
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Weight (max) grams / lb.
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635 / 1.39
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Average latency (msec)
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4.16
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Power-on to ready (typical)
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10 sec
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Standby to ready (typical)
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10 sec
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Track-to-track seek time (msec typical)
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0.8 (read), 1.0 (write)
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Average seek, read (msec typical)
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8.0
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Average seek, write (msec typical)
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9.0
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Startup current (typical) 12V (peak)
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2.8 amps
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Seek power (typical) watts
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9.9
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Operating power (typical) watts
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9.2
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Idle mode (typical) watts
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7.2
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Standby mode (typical) watts
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1.2
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Sleep mode
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1.2
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Voltage tolerance
(including noise)
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5V ± 5%
12V ± 10%
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Ambient temperature
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0° to 60°C (op.)
–40° to 70°C (nonop.)
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04 3550600
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