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    Mellanox MCX455A-ECAT ConnectX-4 VPI Network Adapter PCI Express 3.0 x16 100 Gigabit Ethernet

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    ConnectX-4 adapter cards with Virtual Protocol Interconnect (VPI), supporting EDR 100 Gb/s InfiniBand and 100 Gb/s Ethernet connectivity, provide the highest performance and most flexible solution for high-performance, web 2.0, data analytics, database, and storage platforms. With the exponential growth of data being shared and stored by applications and social networks, the need for high-speed and high performance compute and storage data centers is skyrocketing. ConnectX-4 provides exceptional high performance for the most demanding data centers, public and private clouds, web 2.0 and big data applications, as well as High-Performance Computing (HPC) and Storage systems, enabling today's corporations to meet the demands of the data explosion.

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Please contact the Seller directly for warranty information. Warranty information may also be found on the Manufacturer's website.
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    Return Policies

    • Return for refund within: 30 days
    • Return for replacement within: 30 days
    • This item is covered by NEXBUILD Return Policy

    Manufacturer Contact Info

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    The Mellanox MCX455A-ECAT is a single-port ConnectX-4 VPI network adapter with PCIe 3.0 x16 connectivity and support for 100Gb Ethernet and EDR InfiniBand, suited to servers and data-center networks that need high-bandwidth interconnects.

    Recommended For

    • Server and storage-cluster builders who need a single QSFP28 connection for 100GbE or EDR InfiniBand links, including high-bandwidth data transfers between systems.
    • Homelab users linking servers or a NAS over 40–100GbE who are prepared to build around QSFP cabling and compatible network hardware; community discussions describe ConnectX-4 cards in these setups.
    • Technical teams running mixed Ethernet and InfiniBand environments that want one adapter family for either fabric; the card supports both protocols, with its operating mode and network equipment needing to match the intended setup.
    • Virtualization and compute-lab operators seeking high-bandwidth links for server networking, storage traffic, or clustered workloads, provided their host and software stack support the adapter.

    Spec Summary

    AttributeValue
    First Listed on NeweggOctober 09, 2026