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Seagate Cheetah 15K.5 73GB 15K 3.0Gbps Serial SCSI / SAS Hard Drive
Seagate Cheetah 15K.5 73GB 15K 3.0Gbps Serial SCSI / SAS Hard Drive
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Seagate Cheetah 15K 73GB 15K 3.0Gbps Serial SCSI / SAS Hard Drive

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Seagate ST373455SS Cheetah 15K 73GB 15K 3.0Gbps Serial SCSI / SAS Hard Drive

The Seagate® Cheetah 15K.5 hard drive is the first to break the 100-MB/s sustained transfer rate barrier. These drives lead the industry in reliability, performance and value by delivering higher throughput with fewer drives than conventional 10K-RPM solutions . The Cheetah 15K.5 enterprise hard drive sets a new standard for storage cost effectiveness with an unprecedented blend of storage performance, capacity and reliability.

Capacity: 73GB
Spindle Speed: 15,000RPM
Interface Type: SAS / Serial Attached SCSI
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 73 to 125
Average Seek Time (read/write ms): 3.5 / 4.0
Electrical Interface Speed: SAS / Serial Attached SCSI – 3.0Gbps
On-Board Cache: 16MB

SKU: ST373455SS Categories: ,
Weight 0.78 kg
Technical Specifications
 Description
Model number ST373455SS
Model Name Cheetah 15K.5
Form Factor(width) 3.5-inch
Form Factor(height) 1-inch
 Physical Specifications
Height 25.4 mm
Width 101.6 mm
Length 146.05 mm
Weight 0.68 kg
 Capacity/Interface
Formatted Capacity 73.4 Gbytes
 Performance
  Transfer Rates
Internal Transfer Rate (min) 960 Mbits/sec
Internal Transfer Rate (max) 1,607 Mbits/sec
Formatted Int Transfer Rate (min) 89 MBytes/sec
Formatted Int Transfer Rate (max) 150 MBytes/sec
External (I/O) Transfer Rate (max) 300 MBytes/sec
  Seek Times
Average Seek Time, Read 3.5 msec typical
Average Seek Time, Write 4 msec typical
Track-to-Track Seek, Read 0.2 msec typical
Track-to-Track Seek, Write 0.4 msec typical
Full Disc Seek, Read 7.4 msec typical
Full Disc Seek, Write 7.9 msec typical
Average Latency 2 msec
  Other
Default Buffer (cache) Size 16MB
Spindle Speed 15K RPM
Spinup Time 20 sec
Power-on to Ready Time 3 sec
 Configuration
Number of Discs (physical) 4
Number of Heads (physical) 8
Total Cylinders 50,864
Total Tracks 203,456
Bytes Per Sector 512
Track Density (TPI) 85,000 tracks/inch
Recording Density (BPI, max) 628,000 bits/inch
Bytes/Track (avg) 471,916
  Recording Components
 Electrical Requirements
  Current
Typical Current (12VDC +/- 5%) 0.95 amps
Startup Current (12VDC +/- 5%) 2.7 amps
Typical Current (5VDC +/- 5%) 1.12 amps
Startup Current (5VDC +/- 5%) 1.64 amps
  Power
Idle Power (typ) 11.8 watts
 Environmental Specifications
  Shock and Vibration
Max Operating Shock (2-msec) 65 Gs
Max Nonoperating Shock (2-msec) 250 Gs
Operating Vibration (max) 0.5 Gs
Nonoperating Vibration (max) 2 Gs
  Temperature and Humidity
Operating Temperature (max) 55 deg C
Operating Temperature (min) 5 deg C
Nonoperating Temperature (max) 70 deg C
Nonoperating Temperature (min) -40 deg C
Operating Temperature Change (max) 20 deg C/hr
Nonoperating Temperature Change (max) 20 deg C/hr
Operating Humidity (max) 95 percent
Nonoperating Humidity (max) 95 percent
Operating Humidity Change (max) 20 percent per hour
Operating Wet Bulb Temp (max) 28 deg C
  Altitude
Operating Altitude (max) 3,048 m
Operating Altitude (min) -305 m
Nonoperating Altitude (max) 12,210 m
Nonoperating Altitude (min) -305 m
  Acoustics
Acoustics, Idle (sound power, typ) 3.6 Bels
 Reliability
MTBF (Hours) 1,400,000 hours
Recoverable Read Errors 10 per 1012 bits read
Nonrecoverable Read Errors 1 per 1015 bits read
Seek Errors 10 per 108 bits read
Supports S.M.A.R.T. Yes
Service Life 5 year(s)
Limited Warranty Period 5 year(s)

 

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