Seagate ST31250W/WD/WC/DC, ST32550W/WD/WC/DC, ST31250N/ND manual Characteristics ST31250 ST32550

14	Barracuda 2LP Installation Guide, Rev. E
Characteristics		ST31250	ST32550
Interface		Fast SCSI-21	Fast SCSI-21
Capacity
Unformatted		1,205.3 Mbytes	2,541.3 Mbytes
Formatted2		1,020.9 Mbytes	2,147.4 Mbytes
Recording
Cylinders (user)		3,711	3,510
Read/write data heads		5	11
Servo heads		1	1
Avg bytes/track		64,160	64,160
Seek time3
Average read		8.0 msec	8.0 msec
Average write		9.0 msec	9.0 msec
Disc rotation
RPM		7,200	7,200
Average latency		4.17 msec	4.17 msec
Internal transfer rate		47.5 to 72.0	49.4 to 72.0
(Mbits/sec)
Max sync. SCSI transfer rate
N/ND		10 Mbytes/sec	10 Mbytes/sec
W/WD/WC/DC		20 Mbytes/sec	20 Mbytes/sec
Multi-segmented cache		512 Kbytes	512 Kbytes