Name: Connectx-5 EX VPI 100GB QSFP 2-Port
Brand: Mellanox
Price: 337.95 USD
Availability: InStock

Mellanox CX556A Connectx-5 EX VPI 100GB QSFP 2-Port

The Mellanox Connectx-5 EX VPI CX556A is a high-performance 100Gb Ethernet adapter that delivers two QSFP28 ports in a single PCIe 3.0 x8 form factor. Designed for modern data centers, this dual-port network interface provides ultra-low latency, high... Read More

price

$337.95

In Stock: 37
Manufacturer: Mellanox
Model or Part: CX556A
Condition: Refurbished
Weight: 3.00lb

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Product Information

Item Condition

New - Sealed or Open Box Condition
Excellent - Almost-New, Missing Original Packaging
Refurbished - Seller Refurbished, Good Condition, Previously Used Item

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Description

Overview
The Mellanox Connectx-5 EX VPI CX556A is a high-performance 100Gb Ethernet adapter that delivers two QSFP28 ports in a single PCIe 3.0 x8 form factor. Designed for modern data centers, this dual-port network interface provides ultra-low latency, high throughput and advanced offload capabilities that accelerate demanding workloads such as cloud, virtualization, high-frequency trading and AI/ML training.

Key Features

Dual 100Gb QSFP28 ports with full duplex operation
PCIe 3.0 x8 interface for maximum bandwidth utilization
Hardware offload for RDMA, RoCE v2, iWARP and TCP/IP
Advanced congestion management and flow control
Energy Efficient Ethernet (EEE) support for reduced power consumption
Hot-plug capable for non-disruptive maintenance
Supports Mellanox firmware and driver ecosystem for easy integration

Technical Specifications

Model/Part Number: CX556A
Form Factor: PCIe 3.0 x8, low profile
Port Type: 2 x QSFP28 (100Gb Ethernet)
Supported Protocols: Ethernet, InfiniBand, RoCE v2, iWARP, NVGRE, Geneve
Latency: sub-microsecond (typical)
Maximum Power Consumption: 30 watts
Operating Temperature: 0 to 70 degrees Celsius
Compliance: FCC, CE, RoHS

Typical Applications

High-performance computing clusters and AI/ML workloads
Cloud infrastructure and virtualized environments
Financial services requiring ultra-low latency trading platforms
Storage area networks and data replication
Enterprise data center interconnect and spine-leaf architectures
Edge computing nodes that need high bandwidth and low power draw

The Connectx-5 EX VPI CX556A combines speed, efficiency and flexibility, making it an ideal choice for organizations looking to future-proof their network infrastructure while delivering the performance required by today's most demanding applications.