Seagate Barracuda 250GB EIDE Hard Drive ST3250823A
Capacity: 250GB
Spindle Speed: 7,200RPM
Interface Type: IDE / ATA (3.5″)
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps):
Average Seek Time (read/write ms): 4.16
Electrical Interface Speed: EIDE / Ultra ATA/100 – 100MBps
On-Board Cache: 8MB
7,200-RPM spindle speed
• 8-Mbyte buffer on: ST3400832A, ST3300831A, ST3250823A and ST3200826A.
• 16-Mbyte buffer on: ST3400632A, ST3300631A, and ST3250623A
• High instantaneous (burst) data transfer rates (up to 100 Mbytes per second) using Ultra DMA mode 5.
• Tunneling Giant magnetoresistive (TGMR) recording heads and EPRML 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.
• 300 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 Read Multiple and Write Multiple commands.
• Support for autodetection of master/slave drives that use cable select (CSEL).
Specifications | 250 GB |
---|---|
Model Number | ST3250823A |
Interface | EIDE ATA/100(PATA) |
Cache | 8 MBytes |
Capacity | 250 GB |
Guaranteed Sectors | 488,397,168 |
Number of pins on the I/O connector | 40 |
PHYSICAL | |
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 (typical) | 635 grams (1.39 pounds) |
COMPLIANCE | |
European Union Restriction of Hazardous Substances | Y |
PERFORMANCE | |
Spindle Speed | 7200 rpm |
Average latency | 4.16 msec |
Random read seek time | <11.0 msec |
Random write seek time | <12.0 msec |
Maximum interface transfer rate | 100 Mbytes/sec. |
RELIABILITY | |
Annual Failure Rate | 0.34 % |
Unrecoverable read errors | 1 in 10^14 |
POWER | |
Average idle current | 7.2 watts |
Average seek power | 12.40 watts |
Standby power | 0.80 watts |
Sleep power | 0.807 watts |
Maximum start current, DC | 2.80 amps |
ENVIRONMENT | |
Ambient Temperature | |
Operating | 0 to 60 degrees C |
Nonoperating | -40 to 70 degrees C |
Maximum operating temperature change | 20 degrees C per hour |
Maximum nonoperating temperature change | 30 degrees C per hour |
Maximum operating case temperature | 69 degrees C |
Relative Humidity | |
Operating | 5 to 90 |
Nonoperating | 5 to 95 |
Maximum allowable humidity change | 30 per hour |
Altitude | |
Operating altitude (min) | -60.96 meters (-200 feet) |
Operating altitude (max) | 3,048 meters (10,000 feet) |
Nonoperating altitude (min) | -60.96 meters (-200 feet) |
Nonoperating altitude (max) | 12,192 meters (40,000 feet) |
Shock | |
Operating Shock (max) | 63 Gs at 2 msec |
Nonoperating Shock (max) | 300 Gs at 2 msec |
Vibration | |
Operating vibration | 0.5 Gs at23-350 Hz |
Nonoperating vibration | 5.0 Gs at 23-350 Hz |
ACOUSTICS | |
Acoustics (Idle Volume) | 2.8 bels |
Acoustics (Seek Volume) | 3.7 bels |
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