Intel Introduces Ethernet E835 Controllers and Network Adapters for Cloud and Data Centers

As data centers evolve to handle the massive workloads of artificial intelligence, machine learning, and hyper-scale cloud computing, the network infrastructure connecting these systems must keep pace. Bottlenecks in data movement can severely degrade application performance, making high-speed, low-latency networking more critical than ever.

To address these growing demands, Intel has introduced the Ethernet E835 controllers and network adapters. Designed specifically for modern cloud and data center environments, the E835 series delivers a powerful blend of performance, security, and efficiency. In this blog, we’ll explore what the E835 brings to the table, its key features, and how it can transform your data center’s networking capabilities.

What Is Intel Ethernet E835?

The Intel Ethernet E835 is a family of high-performance 10/25 Gigabit Ethernet (GbE) network controllers and adapters. Built on Intel’s advanced silicon architecture, the E835 is engineered to serve as the networking backbone for cloud service providers, enterprise data centers, and telecommunications infrastructure.

Succeeding previous generations of Intel’s 10/25G adapters, the E835 focuses heavily on reducing the Total Cost of Ownership (TCO) while maximizing throughput. It is designed to handle the rigorous demands of virtualized environments, software-defined networking (SDN), and high-performance computing (HPC) without breaking a sweat.

Key features of Intel Ethernet E835 include:

• Scalable bandwidth: Supports Ethernet connectivity from 10GbE up to 200GbE to meet different infrastructure requirements.
• Flexible port configurations: Supports options such as 2x25G, 4x25G, 2x100G, and 1x200G.
• High-speed host connectivity: Uses PCIe 5.0 and PCIe 4.0 interfaces for communication with compatible server platforms.
• RDMA support: Supports RoCEv2 and iWARP to reduce CPU involvement in supported data transfer operations.
• Intelligent packet processing: Uses Dynamic Device Personalization (DDP) to optimize packet handling for different applications.
• Hardware-based security: Includes a Hardware Root of Trust and standardized attestation capabilities.
• Flexible management: Supports the Intel Ethernet Port Configuration Tool to adjust supported port configurations.

Key E835 Capabilities

The E835 platform combines high bandwidth with features designed for demanding enterprise and data center environments. 

• High-Speed Ethernet Connectivity: Supports Ethernet speeds ranging from 10GbE to 200GbE, allowing businesses to handle demanding data transfers across enterprise networks, cloud infrastructure, and data centers.
• Flexible Port Configurations: Offers configurations such as 2x25G, 4x25G, 2x100G, and 1x200G, giving IT teams flexibility to match network connectivity with server and workload requirements.
• PCIe 5.0 and PCIe 4.0 Support: Provides high-speed host connectivity through supported PCIe interfaces, enabling efficient communication between the network adapter and compatible server processors.
• Remote Direct Memory Access (RDMA): Supports RoCEv2 and iWARP technologies, allowing compatible applications to transfer data with reduced CPU involvement and lower networking overhead.
• Dynamic Device Personalization (DDP): Enables flexible packet processing by optimizing how the adapter handles different network traffic types, supporting the needs of various enterprise and data center workloads.
• High Bandwidth per Core: Designed to support high-core-count processors by providing increased networking capacity, helping prevent network performance from becoming a bottleneck in dense server environments.
• Power Efficiency: Designed to deliver improved performance per watt, helping data centers manage energy consumption while supporting high-speed network traffic.
• Hardware-Based Security: Includes a Hardware Root of Trust to support secure hardware operations and strengthen infrastructure security.
• SPDM 1.2 Attestation: Supports signed attestation based on the Security Protocol and Data Model (SPDM) 1.2 standard, helping systems verify hardware identity and integrity.
• Network Management Support: Supports DMTF specifications, including NC-SI 1.2, to assist with out-of-band management in compatible server platforms.
• Port Configuration Management: Supports the Intel Ethernet Port Configuration Tool, allowing administrators to configure supported port speeds and arrangements based on deployment needs.
• Virtualization Support: Provides networking capabilities suited to virtualized environments, helping servers manage traffic across virtual machines and enterprise applications.
• Cloud and AI Workload Support: Offers high-bandwidth connectivity and hardware-assisted processing for data-intensive applications, including AI, cloud computing, and high-performance computing.
• Driver Compatibility: Offers compatibility with previous generations of Intel Ethernet drivers, subject to supported operating systems and driver versions, helping simplify infrastructure upgrades.
• Extended Product Lifecycle: Designed with long-term infrastructure deployments in mind, supporting organizations that require consistent networking hardware for enterprise and data center operations.

Intel E835 Network Adapter Lineup

E835 for AI and High-Performance Data Centers

AI infrastructure has increased the importance of high-speed data movement. GPUs, CPUs, storage systems, and other accelerators may need to exchange large volumes of data, making network throughput and latency important considerations alongside compute performance.  

The Intel E835 25GbE adapters provide the perfect "sweet spot" for AI node-to-switch connectivity. By delivering ultra-low latency and predictable throughput, the E835 ensures that training datasets and inference requests move seamlessly across the network. Furthermore, the adapter's ability to handle heavy packet processing via hardware offloads ensures that the host CPUs remain dedicated to AI computations rather than network overhead.

E835 Networking Features for Virtualized Infrastructure

Modern data centers rely heavily on virtualization and containerization. The E835 is built from the ground up to support these environments:

• SR-IOV (Single Root I/O Virtualization): Allows a single physical adapter to appear as multiple separate virtual adapters, providing near-bare-metal network performance directly to VMs and bypassing the hypervisor network stack.
• VMDq (Virtual Machine Device Queues): Hardware-sorts incoming network traffic into queues for specific VMs, drastically reducing the CPU overhead required for network switching.
• Tunneling Protocol Offloads: Native hardware support for VxLAN, NVGRE, and Geneve ensures that overlay networks in SDN environments run at line rate without software penalties.

E835 Software, Drivers, and Platform Compatibility

A network adapter is only as good as the software ecosystem supporting it. Intel ensures the E835 integrates seamlessly into existing IT environments:

• Broad OS Support: Fully supported drivers and software are available for all major operating systems, including Windows Server, various Linux distributions, and VMware ESXi.
• Intel Software Stack: The E835 is fully compatible with the Data Plane Development Kit (DPDK) and Storage Performance Development Kit (SPDK), allowing developers to build high-performance, user-space networking and storage applications.
• Platform Compatibility: While optimized for Intel Xeon processors, the E835 is fully compatible with AMD EPYC platforms and a wide range of server motherboards from top-tier OEMs like Dell, HPE, Lenovo, and Cisco.

Choosing the Right Intel E835 Network Adapter

Selecting an Intel E835 network adapter requires a clear understanding of the network's current capacity and future requirements. Businesses should consider the number of connected servers, expected data traffic, application requirements, and available network infrastructure.

• Bandwidth Requirements: Do you need 10GbE for general enterprise traffic, or 25GbE for high-density cloud and AI workloads?
• Server Form Factor: Check your server specifications. If you are using standard rack servers, a PCIe adapter is the way to go. If you are deploying OCP 3.0 compliant hardware, opt for the Mezzanine card.
• Cabling Infrastructure: Assess your current cabling. If you are using DAC (Direct Attach Copper) or optical fiber, choose the SFP28 models. If you are running traditional Cat6/Cat6a copper cables, select the RJ45 (Base-T) models.
• Port Density: Determine how many connections you need per server. 2-port adapters are the most common for redundancy and multi-pathing, while 4-port adapters are great for high-density virtualization hosts.

Intel E835 and the Future of Networking

The continued growth of AI, cloud computing, virtualization, and data-intensive applications is changing the role of network infrastructure. Servers are processing more data, while distributed applications increasingly depend on fast communication between compute, storage, and networking resources.

Intel's E835 family reflects this shift by combining high-speed Ethernet with RDMA, virtualization capabilities, configurable ports, modern security features, and support for current server platforms. Intel also highlights hardware-rooted security, standardized attestation, and manageability features as part of the platform. Key areas where Intel E835 aligns with evolving networking requirements include:

• AI infrastructure growth: High-bandwidth Ethernet supports communication between servers in AI and machine learning environments.
• Cloud computing expansion: Scalable connectivity accommodates growing data traffic across cloud infrastructure.
• High-density data centers: Increased bandwidth per core supports networking demands in servers with many processing cores.
• Virtualized workloads: RDMA and intelligent packet processing help optimize supported network operations.

Shop High-Speed Network Adapters at Compu Devices

If you are planning a data center upgrade, AI cluster expansion, or virtualization platform refresh, Compu Devices offers the full line of network adapters, covering standard PCIe and OCP 3.0 form factors with configurations from 2×25G to 200G. 

Our team can help match the right E835 model to your server platform, switch ports, and budget constraints. Whether for small-scale validation or large-scale deployment,

Compu Devices provides stable supply and technical support. Contact us today to select the right adapter for your next-generation network infrastructure.

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Best Network Adapters for PCs, Servers, and High-Speed Connectivity