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Seagate ST318438LW SCSI Hard Drive

Item Number: SGT-ST318438LW-RF-OE
Manufacturer's Part Number: ST318438LW
Contact us about ST318438LWGet help regarding ST318438LW
 

Seagate Barracuda 36ES2 18GB 7.2K U160 68pin SE LVD SCSI Hard Drive ST318438LW-Refurbished

 
ST318438LW SCSI Hard Drive Photo

ST318438LW SCSI Hard Drive Photo ST318438LW SCSI Hard Drive Photo ST318438LW SCSI Hard Drive Photo ST318438LW SCSI Hard Drive Photo
     
 
Price: $99.00
Condition: Refurbished - What does this mean?
Warranty: 1 Year - Reseller - What does this mean?
 
 
     
 
Drive Summary

Capacity: 18GB
Spindle Speed: 7,200RPM
Interface Type: SCSI 68pin / HD68 Female
Disk Size: 3.5"x1.0" (LFF Hard Drive)
Sustained Throughput (MBps):
Average Seek Time (read/write ms): 8.5 / 9.3
Electrical Interface Speed: SCSI LVD U160 - 160MBps 16-bit
On-Board Cache: 2MB

 
ST318438LW SCSI Hard Drive Description  ST318438LW SCSI Hard Drive Specifications  ST318438LW SCSI Hard Drive Condition  ST318438LW SCSI Hard Drive Warranty  ST318438LW SCSI Hard Drive Photographs
 
Condition
Refurbished - What does this mean?
 
Warranty
1 Year - Reseller - What does this mean?
 
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Detailed Description

Barracuda 36ES2 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.

• Integrated Ultra160 SCSI controller

• Multimode SCSI drivers and receivers—single-ended (SE) and low voltage differential (LVD)

• 16 bit I/O data bus on LW 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

233 bits.

• 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

• Drive Self Test (DST)


Compatibility

 
Specifications

                         
SEAGATE TECHNOLOGY LLC
                              1-800-SEAGATE
                          http://www.seagate.com
                            (C)opyright 2002


ST-318438LW



       UNFORMATTED CAPACITY (GB) ________________
       FORMATTED CAPACITY (GB) __________________19.923
       AVERAGE SECTORS PER TRACK ________________748 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________52,000
       CYLINDERS ________________________________26,000 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)________434 to 500
       INTERNAL FORMATTED TRANSFER RATE (MB/sec)_32.3 to 52.2
       EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync
            Low Voltage Differential(LVD) _______80/160 Sync
       SPINDLE SPEED (RPM) ______________________7,200
       AVERAGE LATENCY (mSEC) ___________________4.17
       BUFFER ___________________________________2048KB
         Read Look-Ahead, Adaptive,
         Multi-Segmented Cache
       INTERFACE ________________________________Ultra SCSI Wide
              Low Voltage Differential __________Ultra3-SCSI Wide
              ASA II, SCAM level 2 (1 default)
       BYTES PER TRACK __________________________401Kbytes avg
       SECTORS PER DRIVE ________________________38,914,048
       TPI (TRACKS PER INCH) ____________________58,480
       BPI (PEAK KBITS PER INCH) ________________480
       AVERAGE ACCESS (ms read/write)____________8.5/9.3
         Drive level without controller overhead4
       SINGLE TRACK SEEK (ms read/write) ________0.6/1.0
       MAX FULL SEEK (ms read/write) ____________10.0/10.7
       MTBF (power-on hours) ____________________800,000
       SHOCK (G's, 11/2/.5 ms):
                operating (Read/Write) __________/63/
                abnormal ________________________
                nonoperating (single event) _____/350/
       ACOUSTICS (Bels typical) ________Idle ____2.0
                                         Max ____
       POWER DISSIPATION (watts/BTUs) Active ____/
                                      Idle ______8.0/27.3
       POWER REQUIREMENTS: +12V START-UP (amps) _2.05
                           +12V TYPICAL (amps) __0.31 idle
                           +5V START-UP (amps) __0.82
                           +5V TYPICAL (amps) ___0.78 idle
                           IDLE (watts) _________
       LANDING ZONE (cyl) _______________________AUTO PARK
       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:
                        Height (inches/mm):      1.0/25.4
                        Width  (inches/mm):     4.00/101.6
                        Depth  (inches/mm):     5.75/146
                        Weight    (lbs/kg):      1.2/0.54


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