Seagate BARRACUDA 18LP FC ST39175FC - Manual (Page 17)

Barracuda 18LP FC Installation Guide, Rev. A 15
Characteristics ST39175FC ST318275FC
Interface Fibre Channel Fibre Channel
Capacity
Unformatted (Gbytes)
Formatted (Gbytes)
1
10.8
9.1 21.6
18.2
Recording
Cylinders (user)
Read/write data heads
Avg bytes/track 11,721
5
186,000 11,721
10
186,000
Access time
Average read (msec)
Average write (msec) 6.9
7.8 6.9
7.8
Disc rotation
RPM
Average latency (msec) 7,200 (+/- 0.5%)
4.17 7,200 (+/- 0.5%)
4.17
Data transfer rate
Maximum instantaneous
(Mbytes/sec, per port)
106 106
1. The specified formatted capacities are calculated with the standard OEM sector
size (512 bytes per logical block) and sparing.
ST39175FC ST318275FC
DC power requirements(±5%) 1 +5 V +12 V +5 V +12 V
Maximum start current
Maximum operating current
Average idle current 0.75A
0.75A
0.70A 2.0A
0.90A
0.55A 0.75A
0.75A
0.70A 2.0A
1.0A
0.65A
1. For more detailed power information, refer to the Barracuda 18LP FC Product
Manual, publication number 77767541.