Supermicro AOC-S100G-b2C - PCIe - QSFP28 - Low profile - PCIe 4.0 - 100 Gbit/s - 19,51 W

Experience wire-speed 100 Gigabit Ethernet with the Supermicro AOC-A100G-B2CM-O, a dual-port QSFP28 network adapter engineered for the most demanding data center and enterprise workloads. Built on the Broadcom BCM57508 controller and leveraging PCIe 4.0 x16 bandwidth, this low-profile card delivers up to 200 Gbps of aggregate throughput with advanced offloads and virtualization support.

Overview

The AOC-A100G-B2CM-O is a high-performance, low-profile PCIe 4.0 x16 network interface card featuring two QSFP28 ports, each capable of 100 Gbps. It is designed for high-density server environments where space and power efficiency are critical. The card supports a wide range of operating systems including Windows Server, Linux (RHEL, SLES, Ubuntu), and VMware ESXi, ensuring seamless integration into existing infrastructures. With support for both Direct Attach Copper (DAC) cables and optical transceivers, it offers flexible connectivity options for top-of-rack or end-of-row deployments.

What stands out

• Dual 100GbE ports with QSFP28 connectors for maximum throughput and redundancy.
• Broadcom BCM57508 controller with hardware offloads for TCP/UDP/IP checksum, Large Send Offload (LSO), Receive Side Scaling (RSS), FCoE, and iSCSI.
• Advanced virtualization features including SR-IOV, VMDq, and NetQueue for efficient VM networking.
• Low-profile form factor with included full-height bracket for versatile server compatibility.
• Support for jumbo frames up to 9 KB, PXE boot, and management via NC-SI, SMBIOS, and IPMI pass-through.
• Compliant with IEEE 802.3bj, 802.3bm, 802.3cd, 802.3ae, 802.1Q, 802.1p, and 802.3x standards.

Technical details

• Host Interface: PCI Express 4.0 x16
• Network Interface: 100 Gigabit Ethernet
• Number of Ports: 2
• Connector Type: QSFP28
• Controller Chipset: Broadcom BCM57508
• Data Transfer Rate: 100 Gbps per port
• Form Factor: Low Profile PCIe Card (full-height bracket included)
• Power Consumption: 19.51 W
• Supported Standards: IEEE 802.3bj, 802.3bm, 802.3cd, 802.3ae, 802.1Q, 802.1p, 802.3x
• Virtualization Features: SR-IOV, VMDq, NetQueue
• Offload Capabilities: TCP/UDP/IP Checksum Offload, LSO, RSS, FCoE, iSCSI
• Jumbo Frame Support: Up to 9 KB
• PXE Support: Yes
• Operating System Support: Windows Server, Linux (RHEL, SLES, Ubuntu), VMware ESXi
• LED Indicators: Link/Activity
• Cable Support: Direct Attach Copper (DAC), Optical Transceivers (QSFP28)
• Management Features: NC-SI, SMBIOS, IPMI Pass-through
• RoHS Compliance: Yes

Our verdict

The Supermicro AOC-A100G-B2CM-O is a top-tier 100GbE adapter that combines high throughput, low latency, and advanced features in a compact, power-efficient design. It is an excellent choice for modern data centers requiring high-speed networking for virtualized environments, cloud computing, and storage applications.