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BARRACUDA ATA
F O R M AT T E D C A P A C I T I E S O F 6 . 8 T O 2 8 G B Y T E S
HIGHEST-CAPACITY DESKTOP DISC DRIVES IDEALLY SUITED
ULTRA ATA/66
TO HANDLE TODAY'S MOST EXCITING APPLICATIONS
> ULTRA ATA /66
> 300 GS NONOPERATING SHOCK FOR OUTSTANDING
7,200 RPM
RELIABILITY
> 7,200 RPM AND 7.6 MSEC AVERAGE SEEK TIME
> SHIPS WITH SEAGATE'S EXCLUSIVE 3D DEFENSE SYSTEM
> QUIET DESKTOP OPERATION
w w w. s e a g a t e . c o m
> ULTRA ATA/66
> 300 GS NONOPERATING SHOCK FOR OUTSTANDING RELIABILITY
> 7,200 RPM AND 7.6-MSEC AVERAGE SEEK TIME
> SHIPS WITH SEAGATE'S EXCLUSIVE 3D DEFENSE SYSTEM
> QUIET DESKTOP OPERATION
Barracuda ATA Barracuda ATA Barracuda ATA Barracuda ATA Barracuda ATA
3.5 INCH DISC DRIVE
ST36810A ST310220A ST313620A ST320430A ST328040A
C A P A C I T Y A N D I N T E R FA C E
Formatted Gbytes (512 bytes/sector) 6.8 10.2 13.6 20.4 28.0
Interface Ultra ATA/66 Ultra ATA/66 Ultra ATA/66 Ultra ATA/66 Ultra ATA/66
PERFORMANCE
Maximum Internal Transfer Rate (Mbits/sec) 323 323 323 323 323
Maximum External Transfer Rate (Mbytes/sec) 66.6 66.6 66.6 66.6 66.6
Average Sustained Transfer Rate (Mbytes/sec) >15 >15 >15 >15 >15
Multisegmented Cache (Kbytes) 512 512 512 512 512
Average Seek, Read (msec) 7.6 7.6 7.6 7.6 8.0
Average Latency (msec) 4.16 4.16 4.16 4.16 4.16
Spindle Speed (RPM) 7,200 7,200 7,200 7,200 7,200
C O N F I G U R AT I O N / O R G A N I Z AT I O N
Discs/Heads 1/2 2/3 2/4 3/6 4/8
Bytes per Sector 512 512 512 512 512
Logical CHS 14,123/15/63 16,383/16/63 16,383/16/63 16,383/16/63 16,383/16/63
Recording Method (PRML) EPRML (16/17) EPRML (16/17) EPRML (16/17) EPRML (16/17) EPRML (16/17)
R E L I A B I L I T Y / D AT A I N T E G R I T Y
Contact Start-Stops (40