Жесткий диск HotPlug Hot swap HDD Seagate Barracuda ST150176LC, 50GB, 7200 rpm, Ultra2 SCSI, SCA 80 pin, 1.6"/w HP tray

Описание и характеристики:  

Capacity: 50GB

Speed: 7,200RPM

Interface Types: SCSI 80pin SCA-2 Hot-Swap

Form Factor: 3.5inx1.6in (Rare)

Sector Size: 512 / 512e

Sustained Throughput: 19.1 to 33.0

Average Seek Time: 7.6 / 8.4

Electrical Interface: SCSI LVD U80 - 80MBps 16-bit

On-Board Cache: 1MB

UNFORMATTED CAPACITY (GB) ________________63.1

       FORMATTED CAPACITY (GB) __________________50.01

       AVERAGE SECTORS PER TRACK ________________369 rounded down

       ACTUATOR TYPE ____________________________ROTARY VOICE COIL

       TRACKS ___________________________________264,528

       CYLINDERS ________________________________12,024 user

       HEADS ______PHYSICAL______________________22

       DISCS (3.5 in) ___________________________11

       MEDIA TYPE _______________________________THIN FILM/MR

       RECORDING METHOD _________________________PRML 8/9 EPR4

       INTERNAL TRANSFER RATE (mbits/sec)________153 to 264

       INTERNAL FORMATTED TRANSFER RATE (MB/sec)_19.1 to 33.0

       EXTERNAL TRANSFER RATE (mbyte/sec) _______40 Sync

            Low Voltage Differential(LVD) _______80 Sync

       SPINDLE SPEED (RPM) ______________________7,184

       AVERAGE LATENCY (mSEC) ___________________4.17

       BUFFER (/optional) _______________________1MB/4MB

         Read Look-Ahead, Adaptive,

         Multi-Segmented Cache

       INTERFACE ________________________________Ultra-SCSI Wide

              Low Voltage Differential __________Ultra2-SCSI Wide

              ASA II, SCAM level 2 (1 default)

       BYTES PER TRACK __________________________189.28 KB avg

       SECTORS PER DRIVE ________________________97,693,755

       TPI (TRACKS PER INCH) ____________________12,905

       BPI (KBITS PER INCH) _____________________252

       AVERAGE ACCESS (ms read/write)____________7.6/8.4

         Drive level with controller overhead

       SINGLE TRACK SEEK (ms read/write) ________0.9/1.2

       MAX FULL SEEK (ms read/write) ____________16/17

       MTBF (power-on hours) ____________________1,000,000

       SHOCK (G's, 11/2 ms):

                operating (Read/Write) __________5

                abnormal ________________________10

                nonoperating ____________________50/135

       ACOUSTICS (Bels typical, sound power) ____4.0

       POWER DISSIPATION (watts/BTUs) Active ____/

                                      Idle ______11.6/39.6

       POWER REQUIREMENTS: +12V START-UP (amps) _2.6

                           +12V TYPICAL (amps) __0.68 idle

                           +5V START-UP (amps) __0.77

                           +5V TYPICAL (amps) ___0.69 idle

                           IDLE (watts) _________

       LANDING ZONE (cyl) _______________________AUTO PARK

       IBM AT DRIVE TYPE ________________________0 or NONE

       Physical:

                        Height (inches/mm):     1.62/41.1

                        Width  (inches/mm):     4.00/101.6

                        Depth  (inches/mm):     5.75/146.1

                        Weight    (lbs/kg):      2.2/0.99

Already low-level formatted at the factory with x spare sectors

per cylinder and x spare cylinder per unit.

ZBR = Zone Bit Recording = Variable sectors per track