Seagate ST318404LW SCSI Hard Drive

Seagate Part #/MPN: ST318404LW

DiscTech Item #: SGT-ST318404LW-RF-OE

  • Special Order - Ships in 5-10 business days
    Special Order - Ships in 5-10 business days

    This item has a lead time for fulfilment (as listed), this is approximate. Your credit card will be authorized in full on the day of ordering; it will not be charged until the day of shipment.


Enterprise Grade

Capacity: 18GB

Speed: 10,000RPM

Interface Types: SCSI 68pin HD68

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 52 to 68

Average Seek Time: 5.2 / 6.2

Electrical Interface: SCSI LVD U160 - 160MBps 16-bit

On-Board Cache: 4MB

Seagate Cheetah 18XL 18GB 10K U160 68pin SCSI Hard Drive ST318404LW - Refurbished

Standard features

The Cheetah 18XL family has the following standard features:

  • Integrated Ultra160 SCSI controller
  • Multimode SCSI drivers and receivers—single-ended (SE) and low voltage differential (LVD)
  • 16 bit I/O data bus
  • 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
  • 4,096 kbyte data buffer
  • Hot plug compatibility (Section lists proper host connector needed) for “LC” model drives
  • Drive Self Test (DST)
ST-318404LW UNFORMATTED CAPACITY (GB) ________________ FORMATTED CAPACITY (GB) __________________18.351 AVERAGE SECTORS PER TRACK ________________415 rounded down ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________86,304 CYLINDERS ________________________________14,384 user HEADS ______PHYSICAL______________________6 DISCS (3.5 in) ___________________________3 MEDIA TYPE _______________________________THIN FILM/GMR RECORDING METHOD _________________________PRML 16/17 EPR4 INTERNAL TRANSFER RATE (mbits/sec)________285 to 424 INTERNAL FORMATTED TRANSFER RATE (MB/sec)_26 to 40 EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync Low Voltage Differential(LVD) _______80/160 Sync SPINDLE SPEED (RPM) ______________________10,033 AVERAGE LATENCY (mSEC) ___________________2.99 BUFFER (/optional) _______________________4MB/16MB 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 __________________________203,008 avg SECTORS PER DRIVE ________________________35,843,669 TPI (TRACKS PER INCH) ____________________18,145 BPI (PEAK KBITS PER INCH) ________________339 AVERAGE ACCESS (ms read/write)____________5.2/5.8 Drive level without controller overhead SINGLE TRACK SEEK (ms read/write) ________0.6/0.9 MAX FULL SEEK (ms read/write) ____________10.0/11.0 MTBF (power-on hours) ____________________1,200,000 SHOCK (G's, 11/2/.5 ms): operating (Read/Write) __________15 abnormal ________________________15 nonoperating ____________________150/250/ ACOUSTICS (Bels typical) ________Idle ____3.8 Max ____ POWER DISSIPATION (watts/BTUs) Active ____/ Idle ______8.5/29.0 POWER REQUIREMENTS: +12V START-UP (amps) _1.7 +12V TYPICAL (amps) __0.40 idle +5V START-UP (amps) __0.7 +5V TYPICAL (amps) ___0.70 idle IDLE (watts) _________9 IBM AT DRIVE TYPE ________________________0 or NONE Physical: Height (inches/mm): 1.02/26.13 Width (inches/mm): 4.01/101.98 Depth (inches/mm): 5.77/146.68 Weight (lbs/kg): 1.5/0.680 

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Alternate MPNs: 9N9002-002

Weight: 1.8 lb

Warranty: 1 Year DiscTech


Condition Levels Explained

These products have had NO problems or failures, they merely have some usage. The product has been professionally returned to excellent condition. These items have been fully tested, formatted (if appropriate) &repackaged. Hard drives are fully vetted for surface defects and wear, only healthy disks are approved for resale to our customers. Please see our refurbishing process for more details. Watch a video about our refurbishing process

1 Year DiscTech Warranty

Product Warranties Explained

The product has a DiscTech warranty for the time period specified. View our limited warranty