Жёсткий диск HDD Seagate ST318405LW 18GB, 7200 prm, SCSI Ultra160 (U3), 68-pin

Характеристики

UNFORMATTED CAPACITY (GB) ________________
       FORMATTED CAPACITY (GB) __________________18.35
       AVERAGE SECTORS PER TRACK ________________470 rounded down
       ACTUATOR TYPE ____________________________ROTARY VOICE COIL
       TRACKS ___________________________________76,144
       CYLINDERS ________________________________19,036 user
       HEADS ______PHYSICAL______________________4
       DISCS (3.5 in) ___________________________2
       MEDIA TYPE _______________________________THIN FILM/GMR
       RECORDING METHOD _________________________PRML 16/17 EPR4
       INTERNAL TRANSFER RATE (mbits/sec)________320 to 490
       INTERNAL FORMATTED TRANSFER RATE (MB/sec)_31 to 50
       EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync
            Low Voltage Differential(LVD) _______80/160 Sync
       SPINDLE SPEED (RPM) ______________________10,022
       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 __________________________241,128 avg
       SECTORS PER DRIVE ________________________35,843,669
       TPI (TRACKS PER INCH) ____________________24,406
       BPI (PEAK KBITS PER INCH) ________________381.28
       AVERAGE ACCESS (ms read/write)____________5.4/6.2
         Drive level without controller overhead
       SINGLE TRACK SEEK (ms read/write) ________0.8/1.2
       MAX FULL SEEK (ms read/write) ____________10.5/11.0
       MTBF (power-on hours) ____________________1,200,000
       SHOCK (G's, 11/2/.5 ms):
                operating (Read/Write) __________15
                abnormal ________________________15
                nonoperating ____________________125/250/
       ACOUSTICS (Bels typical) ________Idle ____3.8
                                         Max ____
       POWER DISSIPATION (watts/BTUs) Active ____/
                                      Idle ______8.0/27.3
       POWER REQUIREMENTS: +12V START-UP (amps) _2.3
                           +12V TYPICAL (amps) __0.37 idle
                           +5V START-UP (amps) __1.0
                           +5V TYPICAL (amps) ___0.71 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):      1.5/0.680

Already low-level formatted at the factory with x spare sectors at
the end of each x cylinder region. 

ZBR = Zone Bit Recording = Variable sectors per track