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Seagate ST39175LC Barracuda 18LP 9.1GB
 Ultra SCSI-II 7200RPM Hard Drive



Description:

Barracuda 18LP drives combine magnetoresistive (MR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a SCSI-3 (Fast-20 and Fast-40) interface to provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers.


Features:

  • Integrated SCSI controller
  • SCSI multimode single-ended or low voltage differential drivers and receivers
  • 8 bit or 16 bit I/O data bus models available
  • Asynchronous and synchronous data transfer protocol
  • Firmware downloadable via SCSI interface
  • Selectable sector sizes from 512 to 2,048 bytes/sector in multiples of 2 bytes/sector
  • Programmable drive capacity
  • Programmable sector reallocation scheme
  • Flawed sector reallocation at format time
  • Programmable auto write and read reallocation
  • Reallocation of defects on command (post format)
  • Enhanced ECC correction capability up to 185 bits
  • Sealed head and disc assembly
  • No preventative maintenance or adjustment required
  • Dedicated laser textured head landing zone
  • Embedded servo data rather than a separate servo data surface
  • Self diagnostics performed when power is applied to the drive
  • 1:1 Interleave
  • Zoned bit recording (ZBR)
  • Vertical, horizontal, or top down mounting
  • Dynamic spindle brake
  • 1 MByte data buffer or 4 Mbyte optional
  • Hot plug compatibility
  • SCAM (SCSI Configured AutoMagically) plug-n-play level 2 compliant, factory set to level 1 (not user selectable)
  • Low audible noise for office environment
  • Low power consumption



Specifications:

FORMATTED CAPACITY (GB) 9.10
AVERAGE SECTORS PER TRACK 303 rounded down
ACTUATOR TYPE ROTARY VOICE COIL
TRACKS 58,605
CYLINDERS 11,721 user
HEADS (PHYSICAL) 5
DISCS (3.5 in) 3
MEDIA TYPE THIN FILM/MR
RECORDING METHOD PRML 16/17 EPR4
INTERNAL TRANSFER RATE (mbits/sec) 137 to 240
EXTERNAL TRANSFER RATE (mbyte/sec) 40 Sync
Low Voltage Differential(LVD) 80 Sync
SPINDLE SPEED (RPM) 7,200
AVERAGE LATENCY (mSEC) 4.17
BUFFER (/optional) 1024/4096 KByte
INTERFACE Ultra2 SCSI
BYTES PER TRACK 186 KByte avg
SECTORS PER DRIVE 17,783,240
TPI (TRACKS PER INCH) 12,580
BPI (PEAK KBITS PER INCH) 223
AVERAGE ACCESS (ms read/write) 6.9/7.7
SINGLE TRACK SEEK (ms read/write) 0.9/1.2
MAX FULL SEEK (ms read/write) 15/16
MTBF (power-on hours) 1,000,000
POWER REQUIREMENTS:
  • +12V START-UP (amps) _1.6
  • +12V TYPICAL (amps) __0.5 idle
  • +5V START-UP (amps) __1.05
  • +5V TYPICAL (amps) ___0.75 idle
  • Physical:
  • Height (inches/mm): 1.0/25.4
  • Width (inches/mm): 4.00/101.6
  • Depth (inches/mm): 5.75/146
  • Weight (lbs/kg): 1.3/0.589


  • Product Content:

    • Seagate ST39175LC Barracuda 18LP 9.1GB Ultra SCSI-II 7200RPM Hard Drive
    Before you purchase this item, please ensure that you have verified compatibility with system by visiting the manufacturer's web site.
    We assume no responsibility and will not accept full refunds for items purchased that are not compatible with your system configuration
    .


    Conditions:




    Warranty:
    • 30 Day



    Availability: Usually ships the same business day

    Seagate ST39175LC Barracuda 18LP 9.1GB Ultra SCSI-II 7200RPM Hard Drive
    ST39175LCP.O & Phone Orders: $219.00ON-LINE SPECIAL: $199.00
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