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Seagate ST318451LW / 49RKR 18GB SCSI Hard Drive

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Seagate Cheetah X15 ST318451LW / 49RKR 18GB 15K RPM 68-Pin U160 160MBps SCSI Hard Drive – Refurbished OEM

Seagate Cheetah X15 ST318451LW 18GB 15,000 RPM 68-Pin U160 160MBps SCSI Hard Drive – Refurbished OEM

DPNs: 49RKR, 049RKR

Cheetah X15 drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a wide Ultra160 SCSI interface to provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers.

Ultra160 SCSI uses negotiated transfer rates. These transfer rates will occur only if your host adapter supports these data transfer rates and is compatible with the required hardware requirements of the I/O circuit type. This drive also operates at SCSI-1 and SCSI-2 data transfer rates for backward compatibility with non-Ultra/Ultra2/Ultra160 SCSI host adapters

SKU: ST318451LW Category: Tags: , ,

Performance characteristics

  • Drive capacity – 18.35 GByte (formatted, rounded off values)
  • Read/write heads – 10
  • Bytes/track – 176,843 Bytes (average, rounded off values)
  • Bytes/surface – 1,835 Mbytes (unformatted, rounded off values)
  • Tracks/surface (total) – 10,377 Tracks (user accessible)
  • Tracks/inch – 21,400 TPI
  • Peak bits/inch – 343 KBPI
  • Internal data rate – 385-508 Mbits/sec (variable with zone)
  • Disc rotational speed – 15k r/min
  • Average rotational latency – 2.0 msec

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