Broadcom P411W-32P-UG104
14
P411W-32P PCIe 4.0 User Guide NVMe Switch Adapter
8.3 Electrical Characteristics
All power is supplied to the adapter through the PCIe 3.3V rails and the 12V rail. Onboard switching regulator circuitry that
operates from the 3.3V rails and the 12V rail provides the necessary voltages.
The supply voltages supplied by the PCIe edge connector are 12V ± 8% and 3.3V ± 9%.
Typical power is measured with maximum I/O traffic, typical silicon process material, and nominal voltages operating the
card at an ambient temperature of 45°C with required airflow.The power requirements for the adapter under normal operation
are shown in the following table.
8.4 Thermal and Atmospheric Limits
The atmospheric limits for the adapter are as follows:
Temperature range: 0°C to +55°C (+32°F to +131°F) (dry bulb)
Relative humidity range: 5% to 90% noncondensing
Maximum dew point temperature: 32°C (89.6°F)
Minimum airflow: 200 linear feet per minute at 55°C inlet temperature
A20 PERp0 B20 PETp0
A21 PERn0 B21 PETn0
A22 GND B22 GND
A23 PERp1 B23 PETp1
A24 PERn1 B24 PETn1
A25 GND B25 GND
A26 BP_TYPEB B26 2W-CLKB
A27 2W_RESETB B27 2W-DATAB
A28 GND B28 GND
A29 REFCLKB+ B29 PERSTB#
A30 REFCLKB- B30 CPRSNTB#
A31 GND B31 GND
A32 PERp2 B32 PETp2
A33 PERn2 B33 PETn2
A34 GND B34 GND
A35 PERp3 B35 PETp3
A36 PERn3 B36 PETn3
A37 GND B37 GND
Table 8 P411W-32P NVMe Switch Adapter Power Consumption
Power Mode Typical Power
3.3V Supply 5.93W
+12V Supply 15.45W
Total Power 21.38W
Table 7 Internal Connector Pinout (Continued)
Pin Signal Name Pin Signal Name
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