Cheetah NS 10K.2 SAS Product Manual, Rev. B
27
6.3
Power dissipation
ST3600002SS
Typical power dissipation under idle conditions in 3Gb operation is
6.22 watts (21.22 BTUs per hour) To obtain
operating power for typical random read operations, refer to the following I/O rate curve (see Figure 3). Locate
the typical I/O rate for a drive in your system on the horizontal axis and read the corresp5 volt current,
+12 volt current, and total watts on the vertical axis. To calculate BTUs per hour, multiply watts by 3.4123.
Figure 3.
ST3600002SS (3 Gbit) DC current and power vs. input/output operations per second
ST3450802SS
Typical power dissipation under idle conditions in 3Gb operation is 5.74 watts (19.59 BTUs per hour). To obtain
operating power for typical random read operations, refer to the following I/O rate curve (see Figure 3). Locate
the typical I/O rate for a drive in your system on the horizontal axis and read the corresp5 volt current,
+12 volt current, and total watts on the vertical axis. To calculate BTUs per hour, multiply watts by 3.4123.
Figure 4.
ST3450802SS (3 Gbit) DC current and power vs. input/output operations per second
Summary of Contents for CHEETAH NS 10K.2 ST3450802SS
Page 1: ...Product Manual Cheetah NS 10K 2 SAS 100516228 Rev B July 2009 ST3600002SS ST3450802SS ...
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