15DDR4 SDRAM On-Board MemoryThe BF1500 Controller Card incorporates a single channel DDR4 SDRAM memory with 8 components of 8 bit + ECC (64bit + 8bit ECC), 16GB @2400MT/s.NC-SI Management InterfaceThe BlueField Controller Card enables the connection of a Baseboard Management Controller (BMC) to a set of Network Interface Controller (NICs) for thepurpose of enabling out-of-band remote manageability. The NC-SI management is supported over RMII and has a connector on the Controller Card. Pleaserefer to NC-SI Management Interface for pins.

Nvidia BlueField BF1500 User Manual