9 Monitoring
9.1 Thermal Sensors
The thermal threshold definitions are described in the "NVIDIA BlueField-3 DPU and SuperNIC
Electrical and Thermal Specifications" document. You can access the document either by logging
into NVOnline or by contacting your NVIDIA representative.
9.2 Heatsink
The heatsink is attached to the DPU by three screws to dissipate the heat from the SoC.
The DPU SoC has a thermal shutdown safety mechanism that automatically shuts down the DPU in
cases of high-temperature events, improper thermal coupling, or heatsink removal.
Refer to the table below for heatsink details per card configuration. For the required airflow (LFM)
per OPN, please refer to Specifications.
DPU/SmartNIC Configuration OPN Maximum Dimensions
Single-slot 900-9D3B4-00EN-EA0,
900-9D3B4-00PN-EA0,
900-9D3B6-00CV-AA0,
900-9D3B6-00SV-AA0,
900-9D3B6-00CC-AA0,
900-9D3B6-00SC-AA0,
900-9D3B6-00CC-EA0,
900-9D3B6-00SC-EA0
Length, Width, Height:139.6mm
x 92.7mm x 10.2mm
Dual-slot 900-9D3B6-00CN-AB0,
900-9D3B6-00SN-AB0
Length, Width, Height:139.6mm
x 92.7mm x 29.3mm
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