SilverStone ST40NF [11/12] Mechanical requirements

SilverStone SST-ST40F-ESB (V1) [11/12] Mechanical requirements
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8. MTBF
9. MECHANICAL REQUIREMENTS
8.1 MTBF (MEAN TIME BETWEEN FAILURES) CALCULATION
9.1 Physical Dimension : 150mm x 140mm x 86mm
The demonstrated MTBF shall be 100,000 hours of continuous operation at 25oC,full load, 80%
confidence limit and nominal line. The MTBF of the power supply shall be calculated in accordance
with MIL-STD-217D/E. The DC FAN is not included.
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