Barracuda 4LP Installation Guide, Rev. B 13
Table 1. Drive characteristics
Interface UltraSCSI [1]
Capacity Formatted [2] Unformatted
ST34371 4.35 Gbyte [2] 5.31 Gbyte
ST32171 2.16 Gbyte [2] 2.65 Gbyte
ST34571 4.55 Gbyte [2] 5.54 Gbyte
ST32271 2.26 Gbyte [2] 2.77 Gbyte
Recording
Cylinders (user) 5,178
Read/write data heads
ST32171/ST32271 5
ST34371/ST34571 10
Access time [3]
Average read 9.4 msec
Average write 10.4 msec
Disk rotation
RPM 7,200 r/min
Average latency 4.17 msec
Internal transfer rate (variable with zone)
ST32171/ST34371 80–122 Mbits/sec
ST32271/ST34571 80–126 Mbits/sec
Maximum synchronous SCSI transfer rate
N model 20 Mbytes/sec
W/WD/WC/DC models 40 Mbytes/sec
Multi-segmented cache 442 Kbytes
[1] Can also be operated according to SC SI-1 and SCSI-2 protocols.
Referred to also as “SCSI Fast-20.”