Name: CX453A Mellanox ConnectX-4 40/56GbE InfiniBand Single-Port HBA
Brand: Mellanox
SKU: CX453A
Price: 182.85 USD
Availability: InStock
Rating: 4.8 (119 reviews)

Product Overview
The CX453A Mellanox ConnectX-4 InfiniBand Host Bus Adapter offers high-speed connectivity tailored for demanding data center environments. It integrates seamlessly with existing infrastructure to provide a balance of speed, efficiency, and versatility for both Ethernet and InfiniBand networks.

General Information
Brand	Mellanox
Part Number	CX453A

Technical Information
Port Count	1-Port (Single)
Bus Interface	PCIe 3.0 x8
Generation	Gen 4
Chipset / Controller	Mellanox ConnectX-4
Network Topology	Switched Fabric (N-Port)
Bracket Height	Both Brackets Included

Advanced Features & Compatibility
Management Features	Full Fabric Support
OS Compatibility	Windows Server 2019, Windows Server 2022, VMware ESXi 7.x, VMware ESXi 8.x, RHEL 8, RHEL 9, SLES 15

Physical Characteristics
Form Factor	Standard PCIe add-in card (Full-height / Low-profile with brackets)
Weight	3.00
Condition	Refurbished

Miscellaneous
Compliance Standards	WEEE, RoHS, CE, FCC, UL, TUV

Product Description
The CX453A Mellanox ConnectX-4 is a Host Bus Adapter designed to provide fast and reliable network connectivity. Often found in high-performance computing environments and data centers, it supports both InfiniBand and Ethernet protocols, making it versatile for different networking needs. Built for servers and storage systems that require efficient data transfer, this adapter is commonly used in environments where low latency and high bandwidth are critical, such as scientific research, cloud infrastructure, and enterprise networking. Key Features Delivers 40/56GbE speeds to handle demanding workloads Supports RDMA for faster data access and reduced CPU load Compatible with multiple operating systems and drivers Includes advanced offload capabilities to optimize network performance Low latency design suitable for real-time applications This adapter is typically deployed in data centers that require robust network performance for tasks like virtualization, storage networking, and high-speed data transfers. Its ability to streamline traffic and reduce bottlenecks helps maintain smooth operation in busy environments.

Use Cases
The CX453A Mellanox ConnectX-4 single-port Host Bus Adapter is primarily utilized in high-performance computing clusters and data centers that require low latency and high throughput. It is ideal for IT professionals managing storage clusters, virtualization environments, and large-scale network infrastructure demanding robust InfiniBand and Ethernet connectivity. How It's Used: Enabling high-speed interconnects in HPC clusters to accelerate scientific simulations and analytics workloads. Supporting virtualization platforms within enterprise data centers to ensure consistent network performance for multiple virtual machines. Driving storage area network (SAN) traffic in storage clusters for efficient data replication and backup processes. Facilitating low-latency communication in financial services data centers for real-time transaction processing. Integrating into converged network architectures to unify Ethernet and InfiniBand traffic in cloud service provider infrastructures. This adapter enhances operational efficiency by delivering reliable, scalable network performance essential for demanding workloads. Its dual-protocol support helps streamline infrastructure management while accommodating evolving data center requirements.