Seagate ST91000641SS Manuel D’Utilisation
32
Constellation.2 SAS Product Manual, Rev. H
500GB model drive in 6Gb operation
To obtain operating power for typical random read operations, refer to the following I/O rate curve (see Figure
6.). 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.
6.). 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.
500GB Models (6Gb) DC current and power vs. input/output operations per second
For power details about SED vs. non-SED drive, please refer to section 7.8.