Seagate ST318432LW SCSI Hard Drive

Seagate Part #/MPN: ST318432LW

DiscTech Item #: SGT-ST318432LW-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: 15,000RPM

Interface Types: SCSI 68pin HD68

Form Factor: 3.5inx1.0in LFF Hard Drive

Sector Size: 512 / 512e

Sustained Throughput: 56

Average Seek Time: 3.6 / 4.2

Electrical Interface: SCSI LVD U320 - 320MBps 16-bit

On-Board Cache: 8MB

Seagate Cheetah X15 36LP 18GB 15K U320 68pin SCSI Hard Drive ST318432LW - Refurbished

Cheetah X15 36LP SCSI drives combine giant magnetoresistive (GMR) heads, partial response/maximum likelihood (PRML) read channel electronics, embedded servo technology, and a wide Ultra320 SCSI interface to provide high performance, high capacity data storage for a variety of systems including engineering workstations, network servers, mainframes, and supercomputers.


UNFORMATTED CAPACITY (GB) ________________23.7 FORMATTED CAPACITY (GB) __________________18.4 ACTUATOR TYPE ____________________________ROTARY VOICE COIL TRACKS ___________________________________73,988 CYLINDERS ________________________________18,497 user HEADS ______PHYSICAL______________________4 DISCS (3.0 in) ___________________________2 MEDIA TYPE _______________________________THIN FILM/GMR RECORDING METHOD _________________________PRML 16/17 EPR4 INTERNAL TRANSFER RATE (mbits/sec)________548 to 706 INTERNAL FORMATTED TRANSFER RATE (MB/sec)_51.8 to 68.1 EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync Low Voltage Differential(LVD) _______80/160 Sync SPINDLE SPEED (RPM) ______________________15k AVERAGE LATENCY (mSEC) ___________________2.0 BUFFER ___________________________________8MB 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 __________________________316,155 SECTORS PER DRIVE ________________________35,843,670 TPI (TRACKS PER INCH) ____________________38,000 BPI (PEAK KBITS PER INCH) ________________482 AVERAGE ACCESS (ms read/write)____________3.6/4.2 Drive level without controller overhead SINGLE TRACK SEEK (ms read/write) ________0.4/0.8 MAX FULL SEEK (ms read/write) ____________7.0/8.0 MTBF (power-on hours) ____________________1,200,000 SHOCK (G's, 11/2/.5 ms): operating (Read/Write) __________15 abnormal ________________________40 nonoperating ____________________75/250/100 ACOUSTICS (Bels typical, sound power) ____3.7 POWER DISSIPATION (watts/BTUs) Active ____/ Idle ______10.3/35.18 POWER REQUIREMENTS: +12V START-UP (amps) _1.44 +12V TYPICAL (amps) __0.51 idle +5V START-UP (amps) __0.90 +5V TYPICAL (amps) ___0.83 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): 1.5/0.68 

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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