Intel E835CQDA2M Dual Port 200/100/50/25/10GbE Ethernet Network Adapter

Name: Intel E835CQDA2M Dual Port 200/100/50/25/10GbE Ethernet Network Adapter
Brand: Intel
SKU: E835CQDA2M
Price: 750.40 USD
Availability: InStock
Rating: 5 (8 reviews)

Mfr. Part #: E835CQDA2M

Brand: Intel

Condition: New

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E835CQDA2M

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overview

specifications

faqs

reviews

overview

E835CQDA2M Overview

INTEL E835CQDA2M Dual Port 200/100/50/25/10gbe Ethernet Network Adapter

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specifications

Specifications

Overview

Condition	New
Brand	Intel
Stock	In Stock

Specifications

Product Type	Network Adapter
Form Factor	Pcie
Vertical Segment	Server
Cable Medium	Copper, Fiber
Cabling Type	Qsfp28 Ports - Dac, Optics, And Aocs
Port Configuration	Dual
Data Rate Per Port	200/100/50/25/10gbe
Transport Protocol	Gigabit Ethernet
Data Link Protocol	200 Gigabit Ethernet
INTEL Virtualization Technology For Connectivity (vt-c)	Yes
System Interface Type	Pcie 5.0, Pcie 4.0
Controller	INTEL Ethernet Controller E835
On-chip Qos And Traffic Management	Yes
Flexible Port Partitioning	Yes
Virtual Machine Device Queues (vmdq)	Yes
Pci-sig Sr-iov Capable	Yes
Iwarp/rdma	Yes
Rocev2/rdma	Yes
INTEL Data Direct I/o Technology	Yes
INTELLIGENT Offloads	Yes
Storage Over Ethernet	Iscsi, Nfs

faqs

Frequently Asked Questions

What primary interface and throughput speeds does the Intel E835CQDA2M support? +

The Intel E835CQDA2M is a high-performance Ethernet Network Interface Card designed for demanding data center environments. It features dual-port connectivity, typically supporting high-speed 25GbE data rates. It utilizes the PCIe interface to ensure low-latency communication between the network fabric and the server’s CPU, making it an ideal choice for bandwidth-intensive cloud, enterprise, and virtualization applications requiring consistent, high-throughput performance.

Is the Intel E835CQDA2M compatible with existing server infrastructure? +

This NIC is designed for standard PCIe-based server slots, offering broad compatibility with most enterprise-grade rackmount and blade servers. It integrates seamlessly into modern virtualization stacks and software-defined networking architectures. Before deployment, confirm that your server’s PCIe bus version and physical slot dimensions align with the card's form factor specifications to ensure proper mechanical and electrical seating for optimal data transmission.

Which specific use cases benefit most from the E835CQDA2M architecture? +

The E835CQDA2M excels in high-density virtualization, hyper-converged infrastructure, and cloud-native environments. Its robust packet-processing capabilities reduce CPU overhead, allowing servers to handle heavier workloads. Whether you are managing complex database clusters or high-traffic web services, this card provides the reliable connectivity and advanced traffic management features necessary to maintain high availability and performance across your distributed computing fabric.

How does this NIC handle traffic offloading and virtualization features? +

Intel’s design incorporates advanced hardware offloading engines that shift critical networking tasks—such as packet filtering, queuing, and checksum calculations—away from the main processor. This architecture reduces CPU utilization during peak traffic, enabling more efficient handling of virtualized workloads and containerized services. By streamlining the flow of network packets, the E835CQDA2M ensures that your infrastructure maintains low latency even under heavy multi-tenant traffic loads.

What type of physical cabling is required for the E835CQDA2M ports? +

The ports on the E835CQDA2M utilize SFP28/QSFP connectivity, which is the standard for 25GbE networking. Depending on your specific data center reach requirements, you can deploy this card using Direct Attach Copper (DAC) cables for short-range top-of-rack connections or optical transceivers with fiber-optic cabling for longer distances. Always verify that your chosen optics or cables are compatible with Intel’s validated hardware list for the best signal integrity.

Does the E835CQDA2M require specialized software or proprietary driver management? +

While the card functions with standard OS drivers, optimal performance is achieved by utilizing the latest Intel Network Adapter drivers for your specific operating system, such as Linux or Windows Server. Managing these updates ensures that the card takes full advantage of the latest performance enhancements and security patches. Comprehensive driver management through your standard server deployment tools remains the best practice for maintaining stability.

Can the E835CQDA2M be configured for high-availability bonding or teaming? +

Yes, this card fully supports standard NIC teaming, bonding, and link aggregation protocols. By configuring the dual ports in a failover or load-balancing mode, administrators can create resilient network paths that prevent downtime if one link fails. These features are easily managed within common network operating systems, allowing you to build a highly redundant storage or management network that meets the strict demands of enterprise-grade reliability.

What are the power requirements and cooling considerations for this card? +

The E835CQDA2M is engineered for efficient power consumption relative to its high-speed performance capabilities. However, like all high-performance PCIe NICs, it requires adequate airflow within the server chassis to maintain stable operating temperatures under heavy sustained loads. When planning your server rack density, ensure your chassis cooling configuration provides consistent, forced-air ventilation across the PCIe expansion area to prevent thermal throttling and ensure maximum longevity.

Can I request a bulk quote for the Intel E835CQDA2M through BuyRouterSwitch.com? +

Absolutely. For large-scale infrastructure projects requiring multiple units of the E835CQDA2M, we offer customized bulk pricing and procurement support. Simply reach out to our dedicated sales team with your project requirements or requested quantities. We specialize in assisting enterprise IT departments with large-volume hardware rollouts, ensuring you receive a professional quotation tailored to your business needs while maintaining a streamlined and efficient purchasing process.

Why should I choose BuyRouterSwitch.com for my networking hardware needs? +

BuyRouterSwitch.com is a premier provider of authentic networking components, dedicated to delivering high-quality equipment for enterprise environments. When you purchase from us, you benefit from our deep industry expertise, secure and reliable ordering platform, and a focus on providing exactly what your data center requires. We prioritize professionalism and efficient service, making us the preferred partner for procurement managers looking to source original hardware with confidence.

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