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Seagate Medalist Pro 9140 - ST34520N 4.55GB 
SCSI-3 Ultra 7200RPM 9.5ms 50-Pin Hard Drive




Description:

Medalist Pro 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 high-end desktop systems, workstations,and entry level servers.

Fast-20 and Fast-40 (also known as Ultra SCSI and Ultra-2 SCSI) are negotiated transfer rates. These transfer rates will occur only if your host adapter also supports Fast-20 and Fast-40 data transfer rates. This drive also operates at SCSI-2/SCSI-3 data transfer rates for backward compatibility with non-Fast-20/Fast-40 capable SCSI host adapters.



Features:


  • Integrated SCSI controller
  • Single-ended and multimode single-ended/low voltage differential SCSI drivers and receivers
  • 8 bit and 16 bit I/O data bus models available
  • Asynchronous and synchronous data transfer protocol
  • Firmware downloadable via SCSI interface
  • Sector size 512 bytes/sector
  • Programmable drive capacity
  • Flawed sector reallocation at format time
  • Programmable auto write and read reallocation
  • Reallocation of defects on command (Post format)
  • 256-bit Reed-Solomon error correcting code
  • 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 K byte data buffer
  • Hot plug compatibility (Section 9.6.4.3 lists the proper host connector needed) for WC and LC drives
  • SCAM (SCSI Configured Automatically) plug-n-play level 2 compliant, factory set to level 1 (not user selectable)
  • Low audible noise for office environment
  • Low power consumption
  • Audio Visual (A/V) ready
  • Supports industry standard Ultra SCSI interface (also called Fast-20 SCSI) and Ultra-2 SCSI (Fast-40)
  • Programmable 1 or 3 segment cache buffer
  • 7200 RPM spindle. Average latency = 4.17 ms
  • Command queuing of up to 64 commands
  • Background processing of queue
  • Supports start and stop commands (spindle stops spinning)



Specifications:



FORMATTED CAPACITY (GB) 4.55
AVERAGE SECTORS PER TRACK 246 rounded down
ACTUATOR TYPE ROTARY VOICE COIL
TRACKS 36,024
CYLINDERS 9,006 user
HEADS PHYSICAL 4
DISCS (3.5 in) 2
MEDIA TYPE THIN FILM/MR
RECORDING METHOD ZBR EPRML (16/17)
INTERNAL TRANSFER RATE (mbits/sec) 110 to 193.88
INTERNAL FORMATTED TRANSFER RATE (MB/sec) 14.0
EXTERNAL TRANSFER RATE (mbyte/sec) 20 Sync
SPINDLE SPEED (RPM) 7,200
AVERAGE LATENCY (mSEC) 4.17
INTERFACE SCSI-3 Ultra
BYTES PER TRACK 115,078 average
SECTORS PER DRIVE 8,888,924
TPI (TRACKS PER INCH) 9570
AVERAGE ACCESS (ms read/write) 9.5/10.5
SINGLE TRACK SEEK (ms read/write) 2.5/3.5
MAX FULL SEEK (ms) 21.0/23.5
MTBF (power-on hours) 800,000
Physical: Height (inches/mm): 1.007/26.9
Width (inches/mm): 4.000/101.6
Depth (inches/mm): 5.754/146.15
Weight (lbs/kg): 1.5/0.68




Product Content:


  • Seagate Medalist Pro 9140 - ST34520N 4.55GB SCSI-3 Ultra 7200RPM 9.5ms 50-Pin 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 Medalist Pro 9140 - ST34520N 4.55GB SCSI-3 Ultra 7200RPM 9.5ms 50-Pin Hard Drive
ST34520NP.O & Phone Orders: $319.00ON-LINE SPECIAL: $299.00
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