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Barracuda 50 Installation Guide, Rev. A 15
Characteristics ST150176LW/LC
Interface Ultra2 SCSI
1
Capacity
Formatted (Gbytes)
2
50.0
Recording
Cylinders (user)
Read/write data heads
Avg bytes/track
12,024
22
189.28
Access time
3
Average read (msec)
Average write (msec)
7.6
8.4
Disc rotation
RPM
Average latency (msec)
7,184
4.17
Synchronous data transfer rate
Maximum instantaneous (Mbytes/
sec)
40 (SE mode)
80 (LVD mode)
Asynchronous data transfer rate
Maximum instantaneous
(2 bytes wide) (Mbytes/sec) 10.0
Multi-segmented cache (kbytes) 1,024 standard
4,096 optional
1. Also operates per SCSI-1/SCSI-2/SCSI-3 protocols.
2. The specified formatted capacities are calculated with the standard
OEM sector size (512 bytes per logical block) and sparing.
3. Includes on-board controller overhead.