Seagate ST318406LW SCSI Hard Drives

Capacity: 18GB
Spindle Speed: 10,000RPM
Interface Type: SCSI 68pin / HD68 Female
Disk Size: 3.5″x1.0″ (LFF Hard Drive)
Sustained Throughput (MBps): 52 to 68
Average Seek Time (read/write ms): 5.2 / 6.2
Electrical Interface Speed: SCSI LVD U160 – 160MBps 16-bit
On-Board Cache: 4MB

UNFORMATTED CAPACITY (GB) ________________
       FORMATTED CAPACITY (GB) __________________18.35
       AVERAGE SECTORS PER TRACK ________________681 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________52,604
       CYLINDERS ________________________________26,302 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)________530 to 674
       INTERNAL FORMATTED TRANSFER RATE (MB/sec)_52 to 68
       EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync
            Low Voltage Differential(LVD) _______80/160 Sync
       SPINDLE SPEED (RPM) ______________________10,028
       AVERAGE LATENCY (mSEC) ___________________2.99
       BUFFER _______________________ ___________4MB
         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 __________________________348,900 avg
       SECTORS PER DRIVE ________________________35,843,669
       TPI (TRACKS PER INCH) ____________________38,000
       BPI (PEAK KBITS PER INCH) ________________460
       AVERAGE ACCESS (ms read/write)____________5.2/6.2
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms read/write) ________0.5/0.9
       MAX FULL SEEK (ms read/write) ____________6.3/7.3
       MTBF (power-on hours) ____________________1,200,000
       SHOCK (G's, 11/2/.5 ms):
                operating (Read/Write) __________15
                abnormal ________________________15
                nonoperating ____________________/250/150
       ACOUSTICS (Bels typical) ________Idle ____3.2
                                         Max ____
       POWER DISSIPATION (watts/BTUs) Active ____/
                                      Idle ______9.6/32.8
       POWER REQUIREMENTS: +12V START-UP (amps) _2.0
                           +12V TYPICAL (amps) __ idle
                           +5V START-UP (amps) __0.83
                           +5V TYPICAL (amps) ___ idle
                           IDLE (watts) _________
       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:
                        Height (inches/mm):     1.00/25.4
                        Width  (inches/mm):     4.00/101.6
                        Depth  (inches/mm):     5.75/146.05
                        Weight    (lbs/kg):      1.76/0.798