Seagate ST300MM0026 Savvio 10K.4 FC Product Manual - Page 34
ST9450404FC
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ST9450404FC Typical power dissipation under idle conditions in 4Gb operation is 8.19 watts (27.94 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 corresponding +5 volt current, +12 volt current, and total watts on the vertical axis. To calculate BTUs per hour, multiply watts by 3.4123. Figure 4. ST9450404FC DC current and power vs. input/output operations per second 28 Savvio 10K.4 FC Product Manual, Rev. A
28
Savvio 10K.4 FC Product Manual, Rev. A
ST9450404FC
Typical power dissipation under idle conditions in 4Gb operation is 8.19 watts (27.94 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 corresponding +5
volt current, +12 volt current, and total watts on the vertical axis. To calculate BTUs per hour, multiply watts by
3.4123.
Figure 4.
ST9450404FC DC current and power vs. input/output operations per second