Seagate ST800FM0012 Pulsar.2 SAS Product Manual - Page 41

Seagate ST800FM0012 Manual

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200GB models in 6Gb operation Typical power dissipation under idle conditions in 6Gb operation is 3.47 watts (11.84 BTUs per hour). To obtain operating power for typical random write operations, refer to the following I/O rate curve (see Figure 7). 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 7. 200GB (at 6Gb) DC current and power vs. input/output operations per second 100GB models in 6Gb operation Typical power dissipation under idle conditions in 6Gb operation is 3.59 watts 12.25 BTUs per hour). To obtain operating power for typical random write operations, refer to the following I/O rate curve (see Figure 8). 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 8. 100GB (at 6Gb) DC current and power vs. input/output operations per second Pulsar.2 SAS Product Manual, Rev. B 33

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Pulsar.2 SAS Product Manual, Rev. B
33
200GB models in 6Gb operation
Typical power dissipation under idle conditions in 6Gb operation is 3.47 watts (11.84 BTUs
per hour).
To obtain operating power for typical random write operations, refer to the following I/O rate curve (see Figure
7). 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 7.
200GB (at 6Gb) DC current and power vs. input/output operations per second
100GB models in 6Gb operation
Typical power dissipation under idle conditions in 6Gb operation is 3.59 watts 12.25 BTUs
per hour).
To obtain operating power for typical random write operations, refer to the following I/O rate curve (see Figure
8). 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 8.
100GB (at 6Gb) DC current and power vs. input/output operations per second