Nvidia BlueField-3 User Manual

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11 PCIe Auxiliary Card Kit
Down Stream Port (DSP)
The self-hosted BlueField-3 DPU controllers with downstream port extension option integrate a
single network adapter silicon on a primary board, and an auxiliary PCIe connection card and
Cabline SA-II Plus Harness connecting the two. Utilizing the Down Stream Port (DSP) extension
option, where the PCIe extension card is connected to the BlueField-3 DPU, used as a root complex
for storage devices.
This enables direct access from each CPU to the network through its dedicated PCIe interface as the
card's 32-lane PCIe bus is split into two 16-lane buses, with one bus accessible through a PCIe x16
edge connector and the other bus through an x16 Auxiliary PCIe Connection card. The two cards
should be installed into two PCIe x16 slots and connected using two Cabline SA-II Plus harnesses.
The PCIe auxiliary kit can be purchased separately to allow downstream port extension. The table
below lists the available PCIe auxiliary kit ordering part numbers, depending on the desired length
of the Cabline SA-II Plus harnesses and the PCI Express interface, Gen 4.0 or Gen 5.0.
OPN Description
930-9DAX5-0015-000 NVIDIA BlueField-3 Auxiliary Kit for additional self-hosted PCIe Gen
5.0/4.0 x16 connection, two 150mm Cabline SA-II Plus Harnesses
930-9DAX4-0035-000 NVIDIA BlueField-3 Auxiliary Kit for additional self-hosted PCIe Gen
4.0 x16 connection, two 350mm Cabline SA-II Plus Harnesses
930-9DHAR-0001-000 NVIDIA BlueField-3 150mm Gen 5.0 FRU harness, Cabline SA-II Plus
60-pin micro coax 38AWG
11.1 PCIe Auxiliary Card Package Contents
Category Qty Item
Cards 1 930-9DAX5-0015-000:PCIe x16 Gen5.0/4.0Auxiliary
Connection Card
930-9DAX4-0035-000: PCIe x16 Gen 4.0 Auxiliary Connection
Card
Harnesses 1 Cabline CA-II Plus harness (white) - Length according to kit
OPN
1 Cabline CA-II Plus harness (black) - Length according to kit
OPN
Accessories 2 Retention Clip for Cabeline harness (shipped assembled on
the harnesses - optional)
1 PCIe Auxiliary card short bracket
1 PCIe Auxiliary card tall bracket (shipped assembled on the
Auxiliary card)

Nvidia BlueField-3 Specifications

General

Product Type	DPU (Data Processing Unit)
Power Consumption	Up to 75W
Manufacturing Process	7nm
Operating Temperature	0°C to 70°C
Virtualization	SR-IOV, Virtio
Target Applications	Cloud, Networking, Storage
Memory	Up to 16 GB DDR4
Memory Bandwidth	Up to 200 GB/s
Networking	Up to 400 GbE
PCIe	PCIe Gen4 x16
Storage Acceleration	NVMe over Fabrics (NVMe-oF)
Security	Hardware root of trust, Secure boot
Form Factor	PCIe Card
Acceleration Engines	Networking, Storage, Security
Software Support	NVIDIA DOCA
Cache	L1, L2, L3 caches