SEAGATE 68 PIN 18.4GB 7200RPM BARRACUDA 36ES
FORM FACTOR(WIDTH) 3.5-INCH
FORM FACTOR(HEIGHT) LOW-PROFILE

PHYSICAL SPECIFICATIONS

HEIGHT 25.4 MM
WIDTH 101.6 MM
LENGTH 146.05 MM
WEIGHT 0.544 KG

CAPACITY/INTERFACE

FORMATTED CAPACITY 18.4 GBYTES
INTERFACE TYPE 68-PIN

PERFORMANCE

TRANSFER RATES

INTERNAL TRANSFER RATE (MIN) 308 MBITS/SEC
INTERNAL TRANSFER RATE (MAX) 498 MBITS/SEC
FORMATTED INT TRANSFER RATE (MIN) 28.1 MBYTES/SEC
FORMATTED INT TRANSFER RATE (MAX) 50.7 MBYTES/SEC
EXTERNAL (I/O) TRANSFER RATE (MAX) 160 MBYTES/SEC
AVG FORMATTED TRANSFER RATE 42 MBYTES/SEC
SEEK TIMES

AVERAGE SEEK TIME, READ 8.5 MSEC TYPICAL
AVERAGE SEEK TIME, WRITE 9.1 MSEC TYPICAL
TRACK-TO-TRACK SEEK, READ 0.4 MSEC TYPICAL
TRACK-TO-TRACK SEEK, WRITE 0.5 MSEC TYPICAL
FULL DISC SEEK, READ 14.9 MSEC TYPICAL
FULL DISC SEEK, WRITE 15.5 MSEC TYPICAL
AVERAGE LATENCY 4.17 MSEC
OTHER

DEFAULT BUFFER (CACHE) SIZE 2,048 KBYTES
SPINDLE SPEED 7200 RPM
SPINUP TIME 20 SEC
POWER-ON TO READY TIME 20 SEC

CONFIGURATION

NUMBER OF DISCS (PHYSICAL) 1
NUMBER OF HEADS (PHYSICAL) 2
TOTAL CYLINDERS 29,850
TOTAL TRACKS 59,700
BYTES PER SECTOR 512
AREAL DENSITY (MBITS/SQ IN) 16,185 MBITS/SQUARE INCH
TRACK DENSITY (TPI) 32,197 TRACKS/INCH
RECORDING DENSITY (BPI, MAX) 502,682 BITS/INCH
SECTORS/TRACK (AVG) 768
BYTES/TRACK (AVG) 393,216
RECORDING COMPONENTS

RECORDING METHOD EPRML

ELECTRICAL REQUIREMENTS

CURRENT

TYPICAL CURRENT (12VDC +/- 5%) 0.3 AMPS
STARTUP CURRENT (12VDC +/- 5%) 0.31 AMPS
TYPICAL CURRENT (5VDC +/- 5%) 0.78 AMPS
STARTUP CURRENT (5VDC +/- 5%) 0.83 AMPS
POWER

IDLE POWER (TYP) 6.25 WATTS

ENVIRONMENTAL SPECIFICATIONS

SHOCK AND VIBRATION

MAX OPERATING SHOCK (2-MSEC) 63 GS
MAX NONOPERATING SHOCK (2-MSEC) 200 GS
OPERATING VIBRATION (MAX) 0.5 GS
NONOPERATING VIBRATION (MAX) 5 GS
TEMPERATURE AND HUMIDITY

OPERATING TEMPERATURE (MAX) 55 DEG C
OPERATING TEMPERATURE (MIN) 5 DEG C
NONOPERATING TEMPERATURE (MAX) 70 DEG C
NONOPERATING TEMPERATURE (MIN) -40 DEG C
OPERATING TEMPERATURE CHANGE (MAX) 20 DEG C/HR
NONOPERATING TEMPERATURE CHANGE (MAX) 20 DEG C/HR
OPERATING HUMIDITY (MAX) 95 PERCENT
NONOPERATING HUMIDITY (MAX) 95 PERCENT
OPERATING HUMIDITY CHANGE (MAX) 10 PERCENT PER HOUR
OPERATING WET BULB TEMP (MAX) 28 DEG C
ALTITUDE.

* REFURBISHED NOT NEW *
** 90 DAY WARRANTY **