Seagate ST300MP0014 Savvio 15K.2 SAS Product Manual - Page 36

GB models in 6.0 Gbit operation, 73GB models in 3.0 Gbit operation

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73GB models in 6.0 Gbit operation Typical power dissipation under idle conditions in 6.0 Gb operation is 4.01 watts (13.68 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 5. 73GB models (6.0 Gbit) DC current and power vs. input/output operations per second 73GB models in 3.0 Gbit operation Typical power dissipation under idle conditions in 3.0 Gbit operation is 3.96 watts (13.51 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 6. 73GB models (3.0 Gbit) DC current and power vs. input/output operations per second 28 Savvio 15K.2 SAS Product Manual, Rev. G

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Savvio 15K.2 SAS Product Manual, Rev. G
73GB models in 6.0 Gbit operation
Typical power dissipation under idle conditions in 6.0 Gb operation is 4.01 watts (13.68 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 5.
73GB models (6.0 Gbit) DC current and power vs. input/output operations per second
73GB models in 3.0 Gbit operation
Typical power dissipation under idle conditions in 3.0 Gbit operation is 3.96 watts (13.51 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 6.
73GB models (3.0 Gbit) DC current and power vs. input/output operations per second