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Note: This additional testing is only required for TEC qualification (Desktops, Integrated Desktops, Notebooks, Workstations) and Idle qualification (Small-Scale Servers, Thin Clients) – only one unit is required to be tested for Sleep and Off if such requirements apply. The following examples further illustrate this approach:

  • Example 1 – Category A Desktop must meet a TEC level of 148.0 kWh or less, making 133.2 kWh the 10 % threshold for additional testing.

    • If the first unit is measured at 130 kWh, no more testing is needed and the model qualifies (130 kWh is 12 % more efficient than the specification and is therefore "outside" the 10 % threshold).

    • If the first unit is measured at 133.2 kWh, no more testing is needed and the model qualifies (133.2 kWh is exactly 10 % more efficient than the specification).

    • If the first unit is measured at 135 kWh, then an additional unit must be tested to determine qualification (135 kWh is only 9 % more efficient than the specification and is "within" the 10 % threshold).

    • If the two units are then tested at 135 and 151 kWh, the model does not qualify as ENERGY STAR—even though the average is 143 kWh — because one of the values exceeds the ENERGY STAR specification.

    • If the two units are then tested at 135 and 147 kWh, the model does qualify as ENERGY STAR because both values meet the ENERGY STAR specification of 148.0 kWh.

  • Example 2 – A Category A Small-Scale Server must meet an Idle level of 50 watts or less, making 45 Watts the 10 % threshold for additional testing. The following scenarios could then occur when testing a model for qualification:

    • If the first unit is measured at 44 watts, no more testing is needed and the model qualifies (44 watts is 12 % more efficient than the specification and is therefore "outside" the 10 % threshold).

    • If the first unit is measured at 45 watts, no more testing is needed and the model qualifies (45 watts is exactly 10 % more efficient than the specification).

    • If the first unit is measured at 47 watts, then an additional unit must be tested to determine qualification (47 Watts is only 6 % more efficient than the specification and is "within" the 10 % threshold).

    • If the two units are then tested at 47 and 51 watts, the model does not qualify as ENERGY STAR—even though the average is 49 watts— because one of the values (51) exceeds the ENERGY STAR specification.

    • If the two units are then tested at 47 and 49 watts, the model does qualify as ENERGY STAR because both values meet the ENERGY STAR specification of 50 watts.