Seagate ST318452LC SCSI Hard Drives

Seagate Cheetah X15 36LP 15K.2 18GB 15K U320 80pin SCA-2 SCSI Hard Drive ST318452LC - Refurbished

Capacity: 18GB
Spindle Speed: 15,000RPM
Interface Type: SCSI 80pin SCA-2 (Hot-Swap)
Disk Size: 3.5"x1.0" (Low Profile Hard Drive)
Sustained Throughput (MBps): 56
Average Seek Time (read/write ms): 3.6 / 3.9
Electrical Interface Speed: SCSI LVD U320 - 320MBps 16-bit
On-Board Cache: 8MB

Seagate Cheetah X15 36LP 15K.2 18GB 15K U320 80pin SCA-2 SCSI Hard Drive ST318452LC - Refurbished

Compatibility

ST-318452LW



       UNFORMATTED CAPACITY (GB) ________________23.7
       FORMATTED CAPACITY (GB) __________________18.35
       AVERAGE SECTORS PER TRACK ________________484 rounded down
       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