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Mellanox Network Adapter Card MCX516A-BDAT 40GbE 2x Port QSF


Brand Name:Mellanox
Model Number: MCX516A-BDAT

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PRODUCTS

Mellanox MCX516A-BDAT ConnectX-5 Ex EN Network Card - 40 GbE - 2x Port - QSFP28 - PCIe 4.0 x16

ConnectX-5 EN supports two ports of 100Gb Ethernet connectivity, while delivering low sub-600ns latency, extremely high message rates, PCIe switch and NVMe over Fabric offloads. ConnectX-5 providing the highest performance and most flexible solution for the most demanding applications and markets: Machine Learning, Data Analytics, and more.

HPC ENVIRONMENTS

ConnectX-5 delivers high bandwidth, low latency, and high computation efficiency for high performance, data intensive and scalable compute and storage platforms. ConnectX-5 offers enhancements to HPC infrastructures by providing MPI and SHMEM/PGAS and Rendezvous Tag Matching offload, hardware support for out-of-order RDMA Write and Read operations, as well as additional Network Atomic and PCIe Atomic operations support.

ConnectX-5 EN utilizes RoCE (RDMA over Converged Ethernet) technology, delivering low-latency and high performance. ConnectX-5 enhances RDMA network capabilities by completing the Switch AdaptiveRouting capabilities and supporting data delivered out-of-order, while maintaining ordered completion semantics, providing multipath reliability and efficient support for all network topologies including DragonFly and DragonFly+.


ConnectX-5 also supports Burst Buffer offload for background checkpointing without interfering in the main CPU operations, and the innovative transport service Dynamic Connected Transport (DCT) to ensure extreme scalability for compute and storage systems
.

STORAGE ENVIRONMENTS

NVMe storage devices are gaining popularity, offering very fast storage access. The evolving NVMe over Fabric (NVMf) protocol leverages the RDMA connectivity for remote access. ConnectX-5 offers further enhancements by providing NVMf target offloads, enabling very efficient NVMe storage access with no CPU intervention, and thus improved performance and lower latency.

Moreover, the embedded PCIe switch enables customers to build standalone storage or Machine Learning appliances. As with the earlier generations of ConnectX adapters, standard block and file access protocols can leverage RoCE for high-performance storage access. A consolidated compute and storage network achieves significant cost-performance advantages over multi-fabric networks.

ConnectX-5 enables an innovative storage rack design, Host Chaining, by which different servers can interconnect directly without involving the Top of the Rack (ToR) switch. Alternatively, the Multi-Host technology that was first introduced with ConnectX-4 can be used. Mellanox Multi-Host™ technology, when enabled, allows multiple hosts to be connected into a single adapter by separating the PCIe interface into multiple and independent interfaces. With the various new rack design alternatives, ConnectX-5 lowers the total cost of ownership (TCO) in the data center by reducing CAPEX (cables, NICs, and switch port expenses), and by reducing OPEX by cutting down on switch port management and overall power usage.


CLOUD AND WEB2.0 ENVIRONMENTS

Cloud and Web2.0 customers that are developing their platforms on Software Defined Network (SDN) environments are leveraging their servers' Operating System Virtual-Switching capabilities to enable maximum flexibility.

ConnectX-5 Ex EN Mellanox Network Adapter Card MCX516A-BDAT 40GbE 2x Port QSFP28 4.0 X16 0

 

Compatibility

PCI Express Interface – PCIe switch Downstream Port Operating Systems/Distributions* Connectivity
PCIe Gen 4.0 Containment (DPC) enablement for PCIe hot-plug RHEL/CentOS Interoperability with Ethernet switches (up to 100GbE)
 2.5, 5.0, 8.0, 16.0 GT/s link rate Access Control Service (ACS) for peer-to-peer secure communication FreeBSD Passive copper cable with ESD protection
Auto-negotiates to x16, x8, x4, x2, or x1 lane(s) Advance Error Reporting (AER) VMware  
PCIe Atomic Process Address Space ID (PASID) Address Translation Services (ATS) OpenFabrics Enterprise Distribution (OFED) – Powered connectors for optical and active cable support
 TLP (Transaction Layer Packet) Processing Hints (TPH) IBM CAPI v2 support (Coherent Accelerator Processor Interface) OpenFabrics Windows Distribution (WinOF-2)  
Embedded PCIe Switch: Up to 8 bifurcations Support for MSI/MSI-X mechanisms    

 

Storage Environments
NVMe storage devices are gaining popularity by offering very fast storage access. The evolving NVMe over Fabric (NVMe-oF) protocol leverages the RDMA connectivity for remote access. ConnectX-5 offers further enhancements by providing NVMe-oF target offloads, enabling very efficient NVMe storage access with no CPU intervention, and thus improving performance and reducing latency.ConnectX-5 Ex EN Mellanox Network Adapter Card MCX516A-BDAT 40GbE 2x Port QSFP28 4.0 X16 1ConnectX-5 Ex EN Mellanox Network Adapter Card MCX516A-BDAT 40GbE 2x Port QSFP28 4.0 X16 2
ConnectX-5 Ex EN Mellanox Network Adapter Card MCX516A-BDAT 40GbE 2x Port QSFP28 4.0 X16 3

FAQ

Q1.What can you buy from us?

      A:Mellanox, Aruba, Rukus, Extreme brand products, including switches, network cards, cables, Access Point, etc.

Q2.How about the delivery date?

      A:It usually takes 3-5 working days. For specific models, please contact us to check the stock. In the end, the actual consultation shall prevail. We will do our best to deliver as soon as possible.

Q3.What's your warranty terms?

     A: We supply 12 months warranty time.

Q4.How about the Shipping Method?

     A: We use Fedex/DHL/UPS/TNT and other air shipments,sea shipments are also workable. In one words, we could do any shipments that you wanted.

Q5.Can I get some samples?

      A:Yes, sample order is available for quality check and market test. You only need to pay the sample cost and express cost.

Q6.What are your core strengths?

     A:First-hand supply, Original and new products with the favorable price and perfect after-sales service.


 


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