General Information
Manufacturer Seagate Technology
Manufacturer Part Number ST318452LW
Product Line Cheetah
Product Name Cheetah X15-36LP 18GB Ultra160 SCSI Hard Drive
Technical Information
Storage Capacity 18.4GB
Heads 4 Physical
Cylinders 18497
Platter(s) 2
Bytes per Sector 512
Sectors per Track 617
Drive Performance
Data Transfer Rate 160MBps External
Data Transfer Rate 548Mbps to 706Mbps Internal
Rotational Speed 15000 rpm
Seek Time 3.6 ms Average Read Typical
Seek Time 4.2 ms Average Write Typical
Seek Time 0.3 ms Track-to-Track Read Typical
Seek Time 0.4 ms Track-to-Track Write Typical
Seek Time 7 ms Full-disc Read Typical
Seek Time 8 ms Full-disc Write Typical
Latency 2 ms Average
Buffer 8MB
Interfaces/Ports
Interfaces/Ports 1 x 68-pin Ultra160 SCSI SCSI
Reliability
MTBF 1200000 Hour(s)
Shock Tolerance 15Gs @ 11 ms Maximum Operating
Shock Tolerance 250Gs @ 2 ms Maximum Non-operating
Vibration Tolerance 0.5Gs Operating - Maximum
Vibration Tolerance 2Gs Non-operating - Maximum
Data Error Rate 10/10E12 bits Read Recoverable
Data Error Rate 1/10E15 bits Read Non-recoverable
Data Error Rate 10/10E8 bits Read Seek Error
Power Description
Input Voltage 5 V DC to 12 V DC ?5%
Input Current 0.79 A Typical @ 12V DC
Input Current 0.99 A @12V DC Startup
Input Current 0.88 A Typical @ 5V DC
Input Current 0.93 A @5V DC Startup
Power Consumption 10.3W Idle (Typical)
Environmental Conditions
Temperature 5 ?C (41 ?F) to 55 ?C (131 ?F) Operating
Temperature -40 ?C (-40 ?F) to 70 ?C (158 ?F) Non-operating
Humidity 95% Maximum Operating
Humidity 95% Maximum Non-operating
Altitude -1000.65 ft to 9999.97 ft Operating
Altitude -1000.65 ft to 40058.93 ft Non-operating
Sound Emission 37 dB Idle (Typical)
Physical Characteristics
Form Factor 3.5" 1/3H Internal
Dimensions 0.99" Height x 3.99" Width x 5.77" Depth
Weight 1.79 lb
Miscellaneous
Additional Information Formatted Int Transfer Rate:51.8 MBytes/sec(min)
Formatted Int Transfer Rate:68.1 MBytes/sec(max)
Formatted Transfer Rate:61 MBytes/sec(Avg)
Spinup Time:20 sec
Power-on to Ready Time:20 sec
Total Tracks:73,988
Areal Density:18,756 Mbits/square inch
Track Density:38,000 tracks/inch
Recording Density:493,568 bits/inch(max)
Bytes/Track:316,155(avg)
Recording Method:EPRML
Operating Temperature Change:20 deg C/hr(max)
Operating Humidity Change:20 percent per hour(max)
Operating Wet Bulb Temp:28 deg C(max)

Certifications & Standards S.M.A.R.T

Warranty refurbished drive
90 day warranty not new hard drive*