NVIDIA Mellanox MCX631102AN‑ADAT
Product Detailed Description
The MCX631102AN‑ADAT belongs to NVIDIA ConnectX‑6 Lx EN series, a high‑performance SmartNIC Ethernet adapter optimized for cloud datacenters, enterprise virtualization, NVMe‑oF storage, big‑data and high‑density server environments. This dual‑port SFP28 network card delivers 25GbE per‑port bandwidth, robust hardware offloads, RoCE v1/v2 RDMA acceleration and excellent total cost‑of‑ownership for mainstream 25G network deployments.
Key Hardware Specifications
- Host Interface: PCI‑Express 4.0 x8, backward compatible with PCIe 3.0 x8
- Ports: 2 × SFP28 sockets, auto‑negotiate 1 GbE / 10 GbE / 25 GbE; supports optical transceivers and DAC direct‑attach copper cables, Ethernet‑only (no InfiniBand VPI)
- Form Factor: HHHL half‑height half‑length; includes full‑height and low‑profile mounting brackets
- Aggregate bi‑directional throughput: 50 Gbps; line‑rate packet processing up to 75 Mpps with DPDK driver
- Typical power consumption: 11.53W (PCIe 4.0 with passive DAC cables)
- Physical dimension: 96.30 mm × 68.90 mm
- OCP3.0 compliant design for hyperscale server platforms
Acceleration & Protocol Features
- RoCE v1 / RoCE v2 RDMA over Converged Ethernet: Offload RDMA operations onto silicon, drastically reduce CPU overhead for storage, database and high‑speed messaging workloads.
- Advanced storage acceleration: T10‑DIF signature hand‑off for end‑to‑end data integrity, optimized for NVMe‑oF over TCP/RoCE deployments.
- Native DPDK poll‑mode driver support for high‑speed packet processing, NFV and software‑defined networking.
- Hardware‑based RSS, hash steering, jumbo frame support.
- Tunnel offload: VXLAN, Geneve, GRE overlay network encapsulation / decapsulation offloaded to hardware.
Virtualization & Offload Capabilities
- SR‑IOV virtualization: Large quantity of hardware Virtual Functions for guest partition isolation.
- Multi‑queue, MSI‑X interrupt generation, interrupt coalescing for high‑VM‑density servers.
- VirtIO‑Net hardware offload for KVM virtual machines.
- VLAN tagging, Q‑in‑Q double VLAN insertion and stripping.
- PXE / UEFI network remote boot support.
Supported Operating Systems
Linux (RHEL, Ubuntu, Debian, SUSE), VMware ESXi, Windows Server. Full OFED driver software stack available from NVIDIA networking support portal.
Main Application Scenarios
Cloud computing & virtualized datacenter, NVMe‑oF storage fabrics, distributed databases, big‑data analytics, container/K8s infrastructure, telco NFV, enterprise high‑density rack servers.
Compliance
CE, FCC certified; RoHS compliant.
Note: MCX631102AN‑ADAT is pure Ethernet adapter, does not support InfiniBand IB protocol.
On Aug 23, 2026 at 23:37:45 PDT, seller added the following information:
On Aug 26, 2026 at 01:23:59 PDT, seller added the following information:
