SFX12V Specific Guidelines 4.0
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14 SFX12V Specific Guidelines 4.0
For Small Form Factor with 12-volt connector power supplies.
Mechanical dimension of power supplies has not changed from Multi Rail Desktop
Power Supplies, so chassis do need not to change. Below are the current specifications
for each size:
PSU DG CFX12V LFX12V ATX12V SFX12V TFX12V Flex ATX
2.0 2.0 2.0 3.0 4.0 3.0 2.0
14.1 Lower Profile Package – Physical Dimensions
(Required)
The power supply shall be enclosed and meet the physical outline shown in Figure
14-1.
14.2 Fan Requirements (Required)
The fan will draw air from the computer system cavity pressurizing the power supply
enclosure. The power supply enclosure shall exhaust the air through a grill located on
the rear panel. Refer to Figure 14-2
. The movement of the fan to the computer
system cavity is to help limit the acoustic noise of the unit.
The fan will be 40 mm.
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