Add-on Card AOC-A25G-b2S / AOC-A25G-b2SM / AOC-A25G-b2SB / AOC-A25G-b2SG
Products Accessories [ AOC-A25G-b2S / AOC-A25G-b2SM / AOC-A25G-b2SB / AOC-A25G-b2SG ]
Add-on Card

Advanced 25Gb Ethernet controller in Supermicro Advanced I/O Module (AIOM)

Supermicro® Advanced I/O Modules (AIOM) is the latest form factor designed to provide a wide range of networking options as well as other I/O technologies. The AOC-A25G-b2S(M/B/G) is one of the most feature rich and low power consumption 25GbE controllers in the market. Based on the Broadcom® BCM57414 with features such as VXLAN, NVGRE and NIC Partitioning, it provides unparalleled density, performance, and functionality. The Supermicro® AOC-A25G-b2S(M/B/G) is the most versatile 25GbE controller in the market and an excellent choice to enhance network connectivity in Data Centers and Enterprise environments.


To order, contact your distributor. This product is only available through Supermicro.
Key Features
  • Advanced I/O Module (AIOM) Form Factor
  • Broadcom® BCM57414 25GbE controller
  • Support for 25GbE and 10GbE Speed
  • Dual SFP28 connectors
  • VXLAN, NVGRE and Geneve
  • NIC Partitioning (NPAR)
  • Broadcom® TruFlow™ flow processing engine
  • Asset Management Features with thermal sensor
  • NC-SI for Remote Management
  • RoHS compliant 6/6
  • RoHS Compliant 6/6
User's Guide [ Download ]
Datasheet [ Download ]
Driver Choose the latest CDR-NIC folder, and then click on Broadcom folder for driver [ Download ]
Driver CD Click on the latest CDR-NIC ISO file to download [ Download ]

  • General:
    • Advanced I/O Module (AIOM) Form Factor
    • Broadcom® BCM57414 25GbE controller
    • 2 SFP28 ports

  • Networking Features:
    • Jumbo frames (up to 9.6 KB)
    • IEEE 802.3x flow control
    • IEEE 1588 and Time Sync
    • IEEE 802.3ad Link Aggregation
    • Virtual LANs- 802.1q VLAN tagging
    • Configurable Flow Acceleration
    • PXE, UEFI, and iSCSI remote boot
    • vSAN/RDMA

  • Stateless Offload Features:
    • TCP, UDP and IP checksum offloads
    • IPv4 and IPv6 offloads
    • Large Send Offload
    • Receive Segment Coalescing
    • TCP Segmentation Offload
    • Large Receive Offload
    • Receive Side Scaling (RSS)
    • Transmit Side Scaling (TSS)
    • Accelerate Received Flow Steering (RFS)

  • NIC Partitioning (NPAR):
    • 16 Physical Functions
    • QoS per partition
    • Partitioning control via sideband communication
    • Up to 64 MAC/VLAN filter per partition
    • Per partition statistics support
    • Stateless offloads configuration per partition
    • VEB/VEPA support

  • Virtualization Features:
    • NetQueue, VMQueue, and Multiqueue
    • SR-IOV with up to 128 Virtual Functions (VFs)
    • VXLAN, NVGRE, and Geneve
    • Edge Virtual Bridging (EVB)

  • Flow Processing:
    • Exact/Wildcard Match Flow Lookup
    • VLAN insertion/deletion
    • NAT/NAPT/Mirroring

  • Data Center Bridging:
    • Priority-based flow control (PFC; IEEE 802.1Qbb)
    • Enhanced transmission selection (ETS; IEEE 802.1Qau)
    • Quantized Congestion Notification (QCN; IEEE 802.1Qau)
    • Data Center Bridging Capability eXchange (DCBX; IEEE 802.1Qaz)
    • 8 traffic classes per port; fully DCB compliant per 802.1Qbb

  • Power Savings:
    • ACPI compliant power management
    • PCI Express Active State Power Management (ASPM)
    • Ultra-low-power mode

  • Power Consumption:
    • Maximum: 7.7W

  • Operating Conditions:
    • Storage temperature: -40°C to 70°C (-40°F to 158°F)
    • Storage humidity: 90% non-condensing relative humidity at 35°C

  • Physical Dimensions:
    • Card PCB dimensions: 76mm x 115mm (W x D)

Please note that this product is sold only as part of an integrated solution with Supermicro server systems.

Available SKUs
SKU Bracket Included Description
AOC-A25G-b2S BKT-0165L 2-port 25 Gigabit Ethernet Adapter with a 1U height bracket (for Embedded Edge system only)
AOC-A25G-b2SM BKT-0166L 2-port 25 Gigabit Ethernet Adapter with a 0.5U height pull-tab bracket (for all other AIOM systems)
AOC-A25G-b2SB BKT-0180L 2-port 25 Gigabit Ethernet Adapter with a 0.5U height internal lock bracket (for Blade system only)
AOC-A25G-b2SG BKT-0209L 2-port 25 Gigabit Ethernet Adapter with a 0.5U height Narrow bracket (for GrandTwin® front IO system only)

Information in this document is subject to change without notice.
Other products and companies referred to herein are trademarks or registered trademarks of their respective companies or mark holders.

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