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Seagate ST318437LC - Barracuda 36ES 18.4GB 
80-Pin 7200RPM Ultra SCSI Wide Hard Drive




Description:

Barracuda 36ES drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a wide SCSI Ultra160 interface to provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers.



Features:

  • Integrated Ultra160 SCSI controller
  • Multimode SCSI drivers and receivers—single-ended (SE) and low voltage differential (LVD)
  • 16 bit I/O data bus on W, LW and LC models. 8 bit I/O data bus on the N model.
  • Asynchronous and synchronous data transfer protocol
  • Firmware downloadable via SCSI interface
  • Selectable even byte sector sizes from 512 to 4,096 bytes/sector
  • 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 maximum burst correction length of 240 bits with a guaranteed burst correction length of 233bits.
  • Sealed head and disc assembly
  • No preventative maintenance or adjustment required
  • Dedicated head landing zone
  • Embedded servo design
  • 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
  • 2,048 kbyte data buffer
  • Hot plug compatibility (Section 9.6.4.3 lists proper host connector needed) for “LC” model drives
  • Drive Self Test (DST)



Specifications:


FORMATTED CAPACITY (GB) 18.400
AVERAGE SECTORS PER TRACK 601 rounded down
ACTUATOR TYPE ROTARY VOICE COIL
TRACKS 59,700
CYLINDERS 29,850 user
HEADS (PHYSICAL) 2
DISCS (3.5 in) 1
MEDIA TYPE THIN FILM/GMR
RECORDING METHOD PRML 16/17 EPR4
INTERNAL TRANSFER RATE (mbits/sec) 308 to 498
INTERNAL FORMATTED TRANSFER RATE (MB/sec) 28.1 to 50.7
EXTERNAL TRANSFER RATE (mbyte/sec)
Low Voltage Differential(LVD)
40 Sync
80/160 Sync
SPINDLE SPEED (RPM) 7,200
AVERAGE LATENCY (mSEC) 4.17
BUFFER
Read Look-Ahead, Adaptive, Multi-Segmented Cache
2048KB
INTERFACE
Low Voltage Differential
Ultra SCSI Wide
Ultra3-SCSI Wide
BYTES PER TRACK 384Kbytes avg
SECTORS PER DRIVE 35,937,500
TPI (TRACKS PER INCH) 32,197
BPI (PEAK KBITS PER INCH) 490.9
AVERAGE ACCESS (ms read/write) 8.5/9.1
SINGLE TRACK SEEK (ms read/write) 0.4/0.5
MAX FULL SEEK (ms read/write) 14.9/15.5
MTBF (power-on hours) 800,000
POWER REQUIREMENTS: +12V START-UP (amps) = 1.64
+12V TYPICAL (amps) = 0.22 idle
+5V START-UP (amps) = 0.92
+5V TYPICAL (amps) = 0.72 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): 1.2/0.544



Product Content:


  • Seagate ST318437LC - Barracuda 36ES 18.4GB 80-Pin 7200RPM Ultra SCSI Wide Hard Drive
  • - SOFTWARE NOT INCLUDED -

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 ST318437LC - Barracuda 36ES 18.4GB 80-Pin 7200RPM Ultra SCSI Wide Hard Drive
ST318437LCP.O & Phone Orders: $219.00ON-LINE SPECIAL: $199.00
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