Upgrade your data center, HPC cluster, virtualization host, or enterprise server with the Mellanox NVIDIA ConnectX-4 VPI MCX455A-ECAT, a high-performance single-port QSFP28 network interface card engineered for ultra-low latency and up to 100Gb/s connectivity. Designed for demanding Ethernet and InfiniBand environments, this adapter delivers industry-leading throughput, advanced hardware offloads, and efficient CPU utilization for cloud, storage, AI, virtualization, and high-performance computing workloads.
The ConnectX-4 VPI architecture supports both 100GbE Ethernet and EDR 100Gb InfiniBand, providing unmatched deployment flexibility across modern enterprise networks. Featuring a PCIe 3.0 x16 host interface, SR-IOV virtualization, NVGRE and VXLAN acceleration, and intelligent traffic management, the MCX455A-ECAT enables maximum application performance while reducing server overhead.
Whether you're building a high-speed storage network, low-latency compute cluster, virtualization environment, or enterprise backbone, the NVIDIA ConnectX-4 delivers reliable, scalable networking performance.
Key Features
✔ Mellanox NVIDIA ConnectX-4 VPI Adapter
✔ Model: MCX455A-ECAT
✔ Single-Port QSFP28 Interface
✔ Supports Up to 100GbE Ethernet and 100Gb EDR InfiniBand
✔ PCI Express 3.0 x16 Host Interface
✔ Hardware-Based SR-IOV Virtualization
✔ NVGRE & VXLAN Offload Acceleration
✔ Low-Latency Networking for HPC & AI Workloads
✔ Supports TCP/IP, UDP/IP, and IP over InfiniBand (IPoIB)
✔ Passive Cooling Design with Integrated Heatsink
✔ Includes Full Height and Low Profile Brackets
✔ Enterprise, Cloud, Virtualization & Storage Ready
Specifications
Manufacturer: NVIDIA / Mellanox
Series: ConnectX-4 VPI
Model: MCX455A-ECAT
Part Numbers:
- MCX455A-ECAT
- 900-9X4AC-0016-ST0
Interface:
- PCI Express 3.0 x16
- Backward compatible with PCIe Gen2 and Gen1
Port Configuration:
Maximum Throughput:
Network Protocols:
- 100GbE Ethernet
- EDR InfiniBand
- FDR InfiniBand
- QDR InfiniBand
- DDR InfiniBand
- SDR InfiniBand
Supported Ethernet Speeds:
- 1GbE
- 10GbE
- 25GbE
- 40GbE
- 50GbE
- 56GbE
- 100GbE
Advanced Network Features
- SR-IOV Virtualization
- RDMA Support
- VXLAN Hardware Offload
- NVGRE Hardware Offload
- QoS and Congestion Control
- PeerDirect Acceleration
- Storage Traffic Optimization
- T10-DIF Signature Handover
- Ethernet over InfiniBand (EoIB)
- CPU Offloading Technology
- Up to 150 Million Messages Per Second
Operating System Compatibility
Compatible with:
- Microsoft Windows Server
- Ubuntu Linux
- Red Hat Enterprise Linux (RHEL)
- CentOS
- SUSE Linux Enterprise Server (SLES)
- Proxmox VE
- KVM
- TrueNAS
- VMware ESXi (Ethernet Mode)
Server & Workstation Compatibility
Compatible with systems featuring an available PCIe x16 slot, including:
- Dell PowerEdge Servers
- HPE ProLiant Servers
- Lenovo ThinkSystem Servers
- Supermicro Servers
- Cisco UCS Servers
- Custom AMD EPYC Platforms
- Intel Xeon Server Platforms
- HPC Clusters
- AI & Machine Learning Infrastructure
- Enterprise Storage Servers
- Virtualization Hosts
QSFP28 Cable & Transceiver Compatibility
Supports:
- NVIDIA / Mellanox LinkX DAC Cables
- Active Optical Cables (AOC)
- QSFP28 SR4 Optical Modules
- QSFP28 LR4 Optical Modules
- 100GbE Direct Attach Copper Cables
- QSFP+ 40GbE Cables
- QSFP28 Breakout Cables (4x25GbE)
- QSFP28 Breakout Cables (4x10GbE)
Note: For full 100Gb EDR InfiniBand performance, NVIDIA/Mellanox LinkX cables and optics are recommended.
Ideal Applications
- High Performance Computing (HPC)
- Artificial Intelligence (AI)
- Machine Learning Clusters
- Data Centers
- Cloud Infrastructure
- Hyper-Converged Storage
- Software Defined Networking
- Virtualization Platforms
- Enterprise Networking
- High-Speed Storage Fabrics
Package Includes
- Mellanox NVIDIA ConnectX-4 VPI Network Adapter
- Full Height Bracket
- Low Profile Bracket (where applicable)
Model: MCX455A-ECAT
Port Type: Single QSFP28
Speed: Up to 100GbE / 100Gb EDR InfiniBand
Interface: PCIe 3.0 x16
Condition: Enterprise-Grade Network Adapter Ready for Deployment
This professional-grade 100Gb network adapter is an excellent choice for organizations seeking low-latency, high-bandwidth connectivity for modern server, storage, cloud, and AI environments.
