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Seagate ST39173WC Barracuda 9LP 
9.1GB Ultra SCSI 7200RPM Hard Drive


Description:

Barracuda 9LP 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
  • Single-ended or high voltage differential SCSI drivers and receivers, or low voltage differential drivers and receivers (LC and LW models only)
  • 8 bit or 16 bit I/O data bus models available
  • Asynchronous and synchronous data transfer protocol
  • Firmware downloadable via SCSI interface
  • Selectable even byte sector sizes from 512 to 4,096 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
  • Active IC terminators enabled by jumpers (N and W models only)
  • 512 Kbyte data buffer or 2 Mbyte optional; LW and LC model drives have 1 Mbyte, or optional 4 Mbyte data buffer
  • Hot plug compatibility (section 9.6.4.3 lists proper host connector needed) for WC and LC model drives
  • 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) 9.105
AVERAGE SECTORS PER TRACK 237 rounded down
ACTUATOR TYPE ROTARY VOICE COIL
TRACKS 75,010
CYLINDERS 7,501 user
HEADS (PHYSICAL) 10
DISCS (3.5 in) 5
MEDIA TYPE THIN FILM/MR
RECORDING METHOD EPR4 16/17
INTERNAL TRANSFER RATE (mbits/sec) 120 to 190
EXTERNAL TRANSFER RATE (mbyte/sec) 40 Sync
Low Voltage Differential(LVD) 80 Sync
SPINDLE SPEED (RPM) 7,200
AVERAGE LATENCY (mSEC) 4.17
INTERFACE Ultra SCSI
BYTES PER TRACK 155,000 average
SECTORS PER DRIVE 17,783,240
TPI (TRACKS PER INCH) 8,250
BPI (PEAK KBITS PER INCH) 180
AVERAGE ACCESS (ms read/write) 7.4/8.2
SINGLE TRACK SEEK (ms read/write) 1.1/1.4
MAX FULL SEEK (ms read/write) 16/18
MTBF (power-on hours) 1,000,000
POWER REQUIREMENTS:
  • +12V START-UP (amps) - 1.7
  • +12V TYPICAL (amps) - 0.5 idle
  • +5V START-UP (amps) - 1.2
  • +5V TYPICAL (amps) - 0.75 idle
  • IDLE (watts) - 10
  • Physical:
  • Height (inches/mm): 1.0/25.4
  • Width (inches/mm): 4.00/101.6
  • Depth (inches/mm): 5.47/146
  • Weight (lbs/kg): 1.3/0.589


  • Product Content:

    • Seagate ST39173WC Barracuda 9LP 9.1GB Ultra SCSI 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 ST39173WC Barracuda 9LP 9.1GB Ultra SCSI 7200RPM Hard Drive
    ST39173WCP.O & Phone Orders: $119.00ON-LINE SPECIAL: $99.00
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