Computer Drive - Hard Disk Drive User Manual

16 Barracuda 36 Installation Guide, Rev. B
Table 1. Drive characteristics
Interface UltraSCSI [1]
Capacity
Formatted [2] 36 Gbyte [2]
Max. data blocks 71132960
Recording
Cylinders (user) 11,721
Read/write data heads 20
Access time [3]
Average read 7.6 msec
Average write 8.4 msec
Disk rotation
RPM 7,200 r/min
Average latency 4.17 msec
Internal transfer rate
(variable with zone) 137–240 Mbits/sec
Maximum synchronous SCSI transfer rate
LW/LC 80 Mbytes/sec
[1] Can also be operated according to SCSI-2 and SCSI-3 protocols.
Referred to also as “SCSI Fast-80.”
[2] Standard factory units are formatted 512 data bytes per sector with
spare tracks reserved for reallocating bad sectors.
[3] Includes controller overhead.