NVIDIA Mellanox MBF2M322A-AENET BlueField-2 E-Series SmartNIC DPU, Dual 25GbE SFP56: This is a programmable BlueField-2 Data Processing Unit (DPU) with two 25GbE SFP56 network ports for infrastructure offload and acceleration in enterprise data centers. The card pairs an 8-core Arm SoC with on-board memory and a PCIe Gen4 host interface; it is not a standard NIC. This variant has on-card crypto disabled. This is a refurbished unit.
Engineering Context
The MBF2M322A-AENET integrates an 8-core BlueField-2 Arm SoC at up to 2.0 GHz with 16 GB of on-board DDR4 memory, allowing it to host a software stack for network, storage, and security functions independent of the host CPU. The PCIe Gen4 x16 host interface (operable as x8) supplies up to 32 GT/s per lane. A dedicated 1GbE out-of-band (OOB) management port enables provisioning of the DPU separately from the data plane. Crypto offload is disabled in this SKU, simplifying export and compliance handling.
Deployment & Use Cases
Bare-metal cloud and managed-hosting infrastructure where the DPU runs the hypervisor data path and isolates tenant workloads. NVMe-over-Fabrics initiator and target offload, storage virtualization, and software-defined networking with OVS hardware offload and connection tracking. Cloud-native security functions, micro-segmentation, and stateful firewalling in regions where on-card crypto is not required.
Technical Specifications
OEM: NVIDIA Mellanox
Part Number: MBF2M322A-AENET
Series: BlueField-2 E-Series SmartNIC DPU
Network Ports: 2 × SFP56 (25GbE)
Processor: 8-core Arm A72 BlueField-2 SoC, up to 2.0 GHz
On-board Memory: 16 GB DDR4
Host Interface: PCIe 4.0 x16 (also x8)
OOB Management: 1 × 1GbE
Crypto: Disabled
Form Factor: Half-Height Half-Length (HHHL), Tall Bracket
Condition: Refurbished — Tested by T.E.S IT-SOLUTIONS
Compatibility & Constraints
Requires a host platform with a free PCIe Gen4 (or Gen3 fallback) x16 or x8 slot and BIOS/UEFI support for large BAR / above-4G decoding. Supported on the NVIDIA DOCA software framework on standard x86_64 Linux distributions; verify kernel and OS levels against the DOCA release you intend to run. Optical and DAC cables must be 25GbE-rated and SFP56-compatible. Because crypto is disabled on this SKU, it is not suitable for workloads that require on-card IPsec or TLS encryption acceleration. Some BlueField-2 features (such as NVMe SNAP and RegEx) depend on licensing and host OS support — confirm with NVIDIA documentation.
Why TES
T.E.S IT-SOLUTIONS power-cycles every BlueField DPU, validates link-up on both 25GbE ports, and confirms ARM-side boot before shipment. Visit tes-itsolutions.com for technical pre-sales support, full warranty terms, and 1–3 day handling on in-stock units.