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Dell Mellanox 100Gb CX516A Network Card

Dell Mellanox 100Gb CX516A Network Card
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Dell Mellanox 100Gb CX516A Network Card
  • Product id:  1565
  • Stock: In Stock
  • Brand: Dell
  • Model: 100Gb CX516A
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Key Features

  • Adapter Type: Enterprise High-Speed Ethernet Network Interface Card (NIC)
  • Ports: 1 x QSFP56 100GbE Port
  • Speed: Up to 100 Gigabit Ethernet (100GbE)
  • Bus Interface: PCIe 4.0 x16
  • Chipset: NVIDIA Mellanox CX516A
  • Cable Type: QSFP56 DAC / AOC / Fiber Optic Supported
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Description

Dell Mellanox 100Gb CX516A Network Card - High Performance 100GbE Enterprise NIC

The Dell Mellanox CX516A 100Gb Network Card is a high-performance enterprise network adapter designed for modern data centers, cloud computing, and high-performance computing (HPC) environments. Built on the Mellanox ConnectX-5 architecture, it delivers ultra-fast 100GbE connectivity via QSFP28 interface, ensuring maximum bandwidth and ultra-low latency for demanding workloads. With advanced features such as RDMA, SR-IOV, and hardware offloading, it improves server efficiency, reduces CPU usage, and enhances overall network performance. This adapter is ideal for virtualization, storage networking, and large-scale enterprise applications that require reliable and high-speed data transfer.

Dell Mellanox CX516A 100Gb Network Card (ConnectX-5) Specification Table:

SpecificationDetails
Product NameDell Mellanox CX516A 100Gb Network Card
ChipsetMellanox ConnectX-5 (MT28800)
Adapter Type100 Gigabit Ethernet / InfiniBand Network Interface Card
Ports2 × QSFP28 (100GbE each)
Data RateUp to 100 Gbps per port
Total BandwidthUp to 200 Gbps full duplex
InterfacePCI Express 3.0 x16
Form FactorLow-profile / Full-height PCIe card
Connector TypeQSFP28
Supported ProtocolsEthernet, RoCE, RDMA, InfiniBand (depending on mode)
Cable SupportDAC, AOC, Fiber QSFP28 transceivers
VirtualizationSR-IOV, VMware NetQueue, Microsoft VMQ
Offload FeaturesTCP/IP checksum offload, TSO, LRO, RSS
Advanced FeaturesVXLAN, NVGRE, overlay network offload
Boot SupportPXE Boot, UEFI Boot
Power Consumption~15W – 25W (typical ~22W)
Operating Temperature0°C to 55°C
OS SupportWindows Server, Linux, VMware ESXi
Server CompatibilityDell PowerEdge, HPE ProLiant, Supermicro
Use CaseData center, cloud computing, HPC, AI workloads

Dell Mellanox CX516A 100Gb Network Card Full Description

The Dell Mellanox CX516A 100Gb Network Card is a cutting-edge enterprise-grade network interface card designed for ultra-high-speed data transmission, low latency computing, and next-generation data center performance. Built on the powerful Mellanox ConnectX-5 architecture, this advanced NIC delivers exceptional reliability and scalability for modern IT infrastructures, cloud computing environments, and high-performance computing (HPC) systems.

Featuring dual 100GbE QSFP28 ports, the CX516A provides a total aggregated bandwidth of up to 200Gbps, enabling extremely fast data transfer between servers, storage systems, and network switches. This makes it an ideal solution for organizations that require heavy bandwidth handling, including virtualization platforms, AI/ML workloads, big data analytics, and enterprise cloud services.

The card is designed with a PCIe 3.0 x16 interface, ensuring maximum data throughput and minimal bottlenecks in server communication. It supports advanced networking technologies such as RDMA (Remote Direct Memory Access), RoCE (RDMA over Converged Ethernet), SR-IOV virtualization, and hardware offloading, which significantly reduce CPU usage and improve overall system efficiency.

One of the biggest advantages of the Dell Mellanox CX516A is its ability to deliver ultra-low latency networking performance, which is critical for real-time applications such as financial trading systems, distributed databases, and high-speed computing clusters. Its intelligent hardware offloading capabilities allow network tasks like checksum processing, packet segmentation, and data routing to be handled directly by the NIC, freeing up server resources for core applications.

Built for enterprise reliability, this network card ensures stable and consistent performance even under heavy workloads and continuous 24/7 operation. It is engineered for data center environments where uptime, speed, and efficiency are critical. The robust thermal design also ensures proper heat management during high-bandwidth operations.

The CX516A is widely compatible with major operating systems including Windows Server, Linux distributions, and VMware ESXi, making it a flexible choice for IT administrators managing heterogeneous environments. It also integrates seamlessly with Dell PowerEdge servers and other PCIe-compatible server systems.

Best Applications in Bangladesh:

The Dell Mellanox CX516A is perfect for data centers, enterprise servers, cloud infrastructure, virtualization environments, AI processing systems, HPC clusters, and storage networking solutions. In Bangladesh, it is widely used by IT companies, hosting providers, and enterprises upgrading to 100GbE high-speed networking infrastructure.

Why Choose Dell Mellanox CX516A:

If your business requires maximum network performance, scalability, and future-ready infrastructure, the CX516A is one of the best 100Gb network cards available. It delivers enterprise-grade stability, extremely high throughput, and advanced networking features that support modern digital transformation needs.

FAQ – Dell Mellanox CX516A 100Gb Network Card

1. What is Dell Mellanox CX516A 100Gb Network Card?

Dell Mellanox CX516A is a high-performance 100GbE dual-port network interface card (NIC) designed for enterprise servers, data centers, cloud computing, and HPC (High Performance Computing) workloads. It is based on Mellanox ConnectX-5 technology and delivers ultra-low latency and very high throughput.

2. What is the speed of CX516A NIC?

This network card supports up to 100Gbps per port, providing extremely fast data transfer for heavy workloads like virtualization, AI, storage, and big data systems.

3. How many ports does Dell Mellanox CX516A have?

It comes with 2 x QSFP28 100GbE ports (dual-port design), allowing higher bandwidth and redundancy for server networking.

4. What interface does this NIC use?

The CX516A uses a PCIe 3.0 x16 interface, ensuring maximum bandwidth between the server and network card for high-speed performance.

5. Is CX516A suitable for data centers in Bangladesh?

Yes, it is ideal for:

  • Data centers in Bangladesh
  • Cloud hosting providers
  • ISP backbone networks
  • Enterprise virtualization systems
  • AI / ML and HPC servers

Where to buy Dell Mellanox 100Gb CX516A Network Card in Bangladesh?

You can buy your desired Dell Mellanox 100Gb CX516A Network Card at Datacom Technologies BD. We are the authorized Server Network Card Supplier in Bangladesh. You buy online and enjoy free home delivery.

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What is the price of Dell Mellanox 100Gb CX516A Network Card in Bangladesh 2026?

The latest price of Dell Mellanox 100Gb CX516A Network Card in Bangladesh is available on request. Product prices may vary depending on brand, model, specification, stock availability, warranty, and current market condition. Please call or WhatsApp Datacom Technologies (BD) to get the updated price, availability, and official quotation.

You can buy original Dell Mellanox 100Gb CX516A Network Card in Bangladesh from Datacom Technologies (BD) with expert guidance, genuine product assurance, and after-sales support. For the best deal, current stock status, and product recommendation, contact our sales team today.