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Seagate Barracuda 250GB SATA Hard Drive ST3250820AS
Item Number: SGT-ST3250820AS-FR-6M
Manufacturer's Part Number: ST3250820AS |
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Seagate Barracuda 7200.10 250GB 7.2K SATA 3.5" Hard Drive ST3250820AS - Factory Recertified
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Capacity: 250GB
Spindle Speed: 7,200RPM
Interface Type: SATA
Disk Size: 3.5"x1.0" (Low Profile Hard Drive)
Sustained Throughput (MBps): 65
Average Seek Time (read/write ms): 8 / 9
Electrical Interface Speed: SATA 300 - 3.0Gbps
On-Board Cache: 8MB |
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Key Features and Benefits - 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
- 5-year warranty
Applications - Gaming PCs
- Workstations
- High-end PCs
- Desktop RAID
- Mainstream PCs
- xATA servers
- USB/FireWire/eSATA external storage
Compatibility
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| Drive specification | ST3250820AS | ST3250623AS | ST3200826AS | | Formatted Gbytes (512 bytes/sector)* | 250 | 200 | | Guaranteed sectors | 488,397,168 | 390,721,968 | | Bytes per sector | 512 | | Default sectors per track | 63 | | Default read/write heads | 16 | | Default cylinders | 16,383 | | Recording density in BPI (bits/inch max) | 763,000 | | Track density TPI (tracks/inch avg) | 120,000 | | Areal density (Mbits/inch2 avg) | 91,560 | | Spindle speed (RPM) | 7,200 | | Internal data transfer rate (Mbytes/sec max) | 95 | | Sustained transfer rate OD (Mbytes/sec) | 65 | | I/O data transfer rate (Mbytes/sec max) | 150 | | ATA data-transfer modes supported | PIO modes 0–4Multiword DMA modes 0–2Ultra DMA modes 0–6 | | SATA data-transfer modes supported | 1.5 Gbits/sec | | Cache buffer | 8 Mbytes | 16 Mbytes | 8 Mbytes | | Height (max) | 26.11 mm (1.028 inches) | | Width (max) | 101.85 mm (4.010 inches) | | Length (max) | 146.99 mm (5.787 inches) | | Weight (max) grams / lb. | 635 / 1.39 | | Average latency (msec) | 4.16 | | Power-on to ready (typical) | 10 sec | | Standby to ready (typical) | 10 sec | | Track-to-track seek time (msec typical) | 0.8 (read), 1.0 (write) | | Average seek, read (msec typical) | 8.0 | | Average seek, write (msec typical) | 9.0 | | Startup current (typical) 12V (peak) | 2.8 amps | | Seek power (typical) watts | 9.9 | | Operating power (typical) watts | 9.2 | | Idle mode (typical) watts | 7.2 | | Standby mode (typical) watts | 1.2 | | Sleep mode | 1.2 | | Voltage tolerance (including noise) | 5V ± 5% 12V ± 10% | | Ambient temperature | 0° to 60°C (op.) –40° to 70°C (nonop.) | | Temperature gradient (°C per hour max) | 20°C (operating) 30°C (nonoperating) | | Relative humidity | 5% to 90% (operating) 5% to 95% (nonoperating) | | Relative humidity gradient | 30% per hour max | | Wet bulb temperature(°C max) | 37.7 (operating) 40.0 (nonoperating) | | Altitude, operating | –60.96 m to 3,048 m (–200 ft to 10,000+ ft) | | Altitude, nonoperating (meters below mean sea level, max) | –60.96 m to 12,192 m (–200 ft to 40,000+ ft) | | Shock, operating (max at 2 msec) | 63 Gs | | Shock, nonoperating (max at 2 msec) | 300 Gs | | Vibration, operating | 5–22 Hz: Limited displacement 23–350 Hz: 0.5 G acceleration | | Vibration, nonoperating | 5–22 Hz: Limited displacement 23–350 Hz: 5 Gs acceleration | | Drive acoustics, sound power (bels) | | Idle** | 2.8 (typical) 3.4 (max) | | Performance seek | 3.7 (typical)3.9 (max) | | Nonrecoverable read errors | 1 per 1014 bits read | | Annualized Failure Rate (AFR) | 0.34% | | Service life | 5 Years | | Contact start-stop cycles(25°C, 50% relative humidity) | 50,000 | | Supports Hotplug operation per SATA II specification | Yes | *One Gbyte equals one billion bytes when referring to hard drive capacity. Accessible capacity may vary depending on operating environment and formatting. **During periods of drive idle, some offline activity may occur according to the S.M.A.R.T. specification, which may increase acoustic and power to operational levels. Formatted capacity | Model | Formatted capacity | Guaranteed sectors | Bytes per sector | | ST3400832AS and ST3400632AS | 400 Gbytes | 781,422,768 | 512 | | ST3300831AS and ST3300631AS | 300 Gbytes | 586,072,368 | 512 | | ST3250823AS and ST3250623AS | 250 Gbytes | 488,397,168 | 512 | | ST3200826AS | 200 Gbytes | 390,721,968 | 512 |
Click here to view the manufacturers item description/brochure |
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