Mellanox BlueField-2 DPU 25GbE 2-Port SFP56 PCIe 4.0 x8
MBF2H332A-AECOT / BF2H332A
The Mellanox BlueField-2 Data Processing Unit (DPU), model MBF2H332A-AECOT, is a high-performance, Arm-based SmartNIC/DPU designed to offload, accelerate, and isolate infrastructure services such as networking, storage, and security. Combining an 8-core Arm CPU with dual 25GbE SFP56 connectivity, BlueField-2 enables advanced software-defined data center architectures using the NVIDIA DOCA framework.
Part Number Identification
The following part numbers refer to the same BlueField-2 DPU platform:
Device Type & Classification
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Device Type: Data Processing Unit (DPU) / SmartNIC
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Series: Mellanox BlueField-2 (P-Series)
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Primary Use: Infrastructure offload, SDN, SDS, and zero-trust security
Network & Host Interface
| Attribute |
Specification |
| Network Ports |
2 × 25GbE SFP56 |
| Supported Speeds |
1GbE / 10GbE / 25GbE |
| Host Interface |
PCI Express 4.0 x8 (backward compatible with PCIe 3.0 / 2.0 / 1.1) |
| Form Factor |
Half-Height, Half-Length (HHHL) |
| Bracket |
Full-height (tall) bracket included |
Compute & Memory
| Component |
Specification |
| Processor |
8-core Armv8-A72, 64-bit, 2.5 GHz |
| System Memory |
16 GB DDR4 ECC (3200 MT/s) |
| On-Board Storage |
64 GB eMMC |
Offload & Acceleration Features
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NVMe-over-Fabrics (NVMe-oF) offloads
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RoCE (RDMA over Converged Ethernet)
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ASAP² accelerated switching and packet processing
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TCP/IP & UDP/IP offloading
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VLAN and SR-IOV support
Security Capabilities
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Crypto-enabled DPU
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IPsec / TLS data-in-motion encryption
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Secure Boot & Hardware Root of Trust
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AES-GCM, AES-XTS, SHA hardware acceleration
Management & Power
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Out-of-Band Management: 1 × 1GbE OOB port
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Power Source: PCIe slot (12V)
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Operating Temperature: 0°C to 55°C (32°F to 131°F)
Software & Ecosystem
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Supported via: NVIDIA DOCA software framework
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Compatible with Linux-based Arm ecosystems for custom application development, infrastructure services, and cloud-native workloads
