Seagate Barracuda ST3320820A IDE / ATA / PATA Hard Drive
Capacity: 320GB
Spindle Speed: 7,200RPM
Interface Type: IDE / ATA (3.5″)
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 78
Average Seek Time (read/write ms): 11 / 12
Electrical Interface Speed: EIDE / Ultra ATA/100 – 100MBps
On-Board Cache: 8MB
- Broad range of capacities, from 200 GB to 750 GB, the highest in the industry
- Available interfaces: SATA 3Gb/s, SATA 1.5Gb/s or Parallel ATA/100
- Perpendicular recording technology for maximum drive capacity and reliability
- 8- and 16-MB cache buffer options
- Ultra-fast performance
- Superb reliability
- Whisper-quiet operation
- Enhanced G-Force Protection against handling damage
- 78 MB/s maximum sustained data transfer rate
- Clean Sweep calibration and Directed Offline scan diagnostics
- RoHS (restriction of hazardous substances) compliant
Specifications | |
---|---|
Model number | ST3320820A |
Model Name | Barracuda 7200.10 |
Formatted Capacity | 320 Gbytes |
Guaranteed Sectors | 625,142,448 |
Rotational Speed | 7,200 rpm |
Default Buffer (cache) Size | 8 Mbytes |
Performance | |
External (I/O) Transfer Rate (max) | 100 MBytes/sec |
Average Seek Time (Read / Write) | 11 / 12 |
Average Latency | 4.16 msec |
Physical | |
Form Factor(width) | 3.5-inch |
Form Factor(height) | 1-inch |
Height | 26.1 mm |
Width | 101.6 mm |
Length | 147 mm |
Weight | 0.635 kg |
Electrical | |
Maximum start current | 2.80 |
Environmental | |
Operating Temperature (max) | 55 deg C |
Operating Temperature (min) | 5 deg C |
Nonoperating Temperature (max) | 70 deg C |
Nonoperating Temperature (min) | -40 deg C |
Acoustical | |
Acoustics, Idle (sound power, typ) | 2.8 Bels |
Reliability | |
MTBF | 700,000 hours |
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