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Hard Disk Drives, SATA, IDE, SAS, SSD, Storage
Seagate Barracuda 20GB IDE Hard Disk Drive ST320011A
د.إ399.00
Seagate Barracuda ATA IV 20GB 7.2K Ultra ATA / 100 IDE Hard Drive ST320011A – Refurbished
Alt MPN: 9T6004-733
Key features:
- 7,200-RPM spindle speed and 2-Mbyte buffer combine for superior desktop performance
- High instantaneous (burst) data-transfer rates (up to 100 Mbytes per second) using Ultra DMA mode 5
- Giant magnetoresistive (GMR) recording heads and GPRML technology, which provide the drives with increased areal density
- State-of-the-art cache and on-the-fly error-correction algorithms
- Full-track multiple-sector transfer capability without local processor intervention
- Quiet operation
- 350 Gs nonoperating shock
- SeaTools diagnostic software performs a drive self-test that eliminates unnecessary drive returns.
- Support for S.M.A.R.T. drive monitoring and reporting
- Support for drive self-test (DST) with S.M.A.R.T. Execute Off-line Immediate
- Support for Read Multiple and Write Multiple commands
- Support for autodetection of master/slave drives that use cable select (CSEL)
| Weight | 0.455 kg |
|---|
| Specifications | |
| Model number | ST320011A |
| Form Factor(width) | 3.5-inch |
| Form Factor(height) | 1-inch |
| Height | 19.9 mm |
| Width | 101.9 mm |
| Length | 147 mm |
| Weight | 0.455 kg |
| Formatted Capacity | 20 Gbytes |
| Rotational Speed | 7,200 rpm |
| Internal Transfer Rate (max) | 455 Mbits/sec |
| External (I/O) Transfer Rate (max) | 100 MBytes/sec |
| Average Seek Time, Read | 18 msec typical |
| Average Seek Time, Write | 24.9 msec typical |
| Track-to-Track Seek, Read | 1.2 msec typical |
| Track-to-Track Seek, Write | 2.0 msec typical |
| Default Buffer (cache) Size | 2 Mbytes |
| Number of Discs (physical) | 1 |
| Number of Heads (physical) | 1 |
| Startup Current (12VDC +/- 5%) | 1.9 amps |
| Startup Current (5VDC +/- 5%) | .5 amps |
| Max Operating Shock (2-msec) | 63 Gs |
| Max Nonoperating Shock (2-msec) | 350 Gs |
| Operating Vibration (max) | .5 Gs |
| Nonoperating Vibration (max) | 5.0 Gs |
| Operating Temperature (max) | 60 deg C |
| Operating Temperature (min) | 0 deg C |
| Nonoperating Temperature (max) | 70 deg C |
| Nonoperating Temperature (min) | -40 deg C |
| Acoustics, Idle (sound power, typ) | 2.7 Bels |
| MTBF (Hours) | 600,000 hours |
| Nonrecoverable Read Errors | 1 per 10^13 bits read |
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