Nvidia BlueField-2 InfiniBand User Manual

NVIDIA BlueField-2 InfiniBand/Ethernet DPU User Guide 79
The below table provides the External Power Supply pins of the external power supply
interfaces on the DPU. For further details, please refer to External PCIe Power Supply
Connector.
Pin# Signal Name Description
1 12V ATX Supplied 12V
2 12V ATX Supplied 12V
3 12V ATX Supplied 12V
4 GND Power Return
5 Not connected Unused
6 GND Power Return
NC-SI Management Interface
The below tables list the NC-SI management interface pinout descriptions per card type.
Please follow the link to the table coinciding with the OPN you have purchased.
OPN Link to NC-SI connector mapping
MBF2M345A-HECOT
Table A - NC-SI Connector Pins
MBF2M345A-HESOT
MBF2M516A-EECOT Table B - NC-SI Connector Pins
Important
The mechanical pinout of the 6-pin external +12V power connector is
shown below. The +12V connector is a GPU power PCIe standard
connector. Care should be taken to ensure the power is applied to
the correct pins as some 6-pin ATX-type connectors can have
different pinouts.

Nvidia BlueField-2 InfiniBand Specifications

General

Processor	Arm Cortex-A72
Connectivity	InfiniBand, Ethernet
Security	Hardware Root of Trust, Secure Boot
Crypto Acceleration	Yes
Architecture	Arm
PCIe Interface	PCIe 4.0 x16
Security Acceleration	Yes
Network Acceleration	Yes
Network Interface	InfiniBand
Memory	16GB DDR4
Form Factor	PCIe
Product Type	DPU (Data Processing Unit)
Ethernet Speed	200Gbps
Storage	NVMe over Fabric support
Networking Features	RDMA, RoCE, SR-IOV
Cores	8x Arm A72 cores