Specifications
      Show Part Numbers

Following are the specifications for the Seagate® 300 GB Ultra320 SCSI SCA 10 K RPM hot swappable hard drive.
Specifications are subject to change without notice or obligation.

Feature Specification
General
Form Factor
  • Width: 3.5-inch
  • Height: 1-inch
    		•
    Dimensions (H × W × L) 1.00 × 4.00 × 5.75 inches (25.4 × 101.6 × 146.05 mm)
    Weight 1.60 lbs. (0.726 kg)
    Formatted Capacity 300 GB
    Interface Type 80-pin Ultra320 SCSI
    Performance
    Transfer Rates
  • Internal transfer rate: 472 Mbits/s min., 944 Mbits/s max.
  • Formatted internal transfer rate: 59 MBytes/s min., 118 MBytes/s max.
  • External (I/O) transfer rate: 320 MBytes/s max.
  • Average formatted transfer rate: 59.5 MBytes/s
    		•
    Seek Times
  • Average seek time, read: 4.7 ms typ.
  • Average seek time, write: 5.3 ms typ.
  • Track-to-Track seek, read: 0.2 ms typ.
  • Track-to-Track seek, write: 0.5 ms typ.
  • Full disc seek, read: 9.5 ms typ.
  • Full disc seek, write: 10.3 ms typ.
    		•
    Average Latency 3 ms
    Default Buffer (Cache) Size 8,192 KB
    Spindle Speed 10,000 RPM
    Spinup Time 25 sec
    Power-On to Ready Time 25 sec
    Configuration
    Number of Discs (Physical) 4
    Number of Heads (Physical) 8
    Total Cylinders 90,774
    Total Tracks 726,192
    Bytes Per Sector 512
    Track Density (TPI) 105,000 tracks per inch
    Recording Density (BPI) 658,000 bits per inch, max.
    Bytes Per Track 556 avg.
    Electrical Requirements
    Current (12VDC ±5%)
  • Typical: 1.09 amps
  • Startup: 1.1 amps
    		•
    Current (5VDC ±%)
  • Typical: 0.68 amps
  • Startup: 0.69 amps
    		•
    Idle Power 10.14 watts, typ.
    Environmental Specifications
    Shock (2-ms)
  • Operating: 60 Gs max.
  • Nonoperating: 225 Gs max.
    		•
    Vibration
  • Operating: 1 Gs max.
  • Non-operating: 3 Gs max.
    		•
    Temperature
  • Operating: 5° C to 55° C
  • Non-operating: -40° C to 70° C
    		•
    Temperature Change
  • Operating: 20° C/hr max.
  • Non-operating: 20° C/hr max.
    		•
    Humidity
  • Operating: 0 to 90%
  • Non-operating: 0 to 95%
    		•
    Operating Humidity Change 20% per hour max.
    Operating Wet Bulb Temperature 28° C max.
    Altitude
  • Operating: -1,000.66 to 10,000.00 (-305 m to 3,048 m)
  • Non-operating: -1,000.66 to 40,059.06 (-305 m to 12,210 m)
    		•
    Idle Acoustics (Sound Power) 3.3 Bels typ.
    Reliability
    MTBF 1,400,000 hours
    Read Errors
  • Recoverable: 10 per 1012 bits read
  • Non-recoverable: 1 per 1015 bits read
    		•
    S.M.A.R.T. Support Yes