Intel E835-CQDA2 Internal Fiber Network Card

Name: Intel E835-CQDA2 Internal Fiber Network E835CQDA2M
Brand: INTEL
SKU: 12434988
Price: 657.49 EUR
Availability: InStock

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Intel E835-CQDA2 Internal Fiber Network Card, 200000 Mbit/s, PCI Express, 2 x QSFP28

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Offer for legal entity, cashless payment. Why is an item available only for a legal entity?
This is due to long delivery times and limited product warranties.

Short description

The Intel E835-CQDA2 is a high-performance internal network interface card designed for demanding data center environments. Featuring a PCI Express host interface and dual QSFP28 ports, it supports fiber connectivity with a maximum data transfer rate of 200000 Mbit/s. This card ensures reliable high-speed networking and supports IEEE 1588 standards for precise time synchronization, making it ideal for scalable enterprise infrastructure and high-bandwidth applications.

Available at price 657.49 €: 15 pcs.

Total available for order: 30 pcs.

Warranty: 2 Years

SKU: 12434988

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2b. Kengaraga str., Riga, Latvia, LV-1063

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From 4.99 € (Weight: 0.18 kg)

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Leasing for legal entities: from 22.88 euros per month

Available for private customers at price 701.99 €: 15 pcs.

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Product information

Description

The Intel E835-CQDA2 is a high-performance internal network adapter designed to meet the demanding connectivity requirements of modern data centers and enterprise server environments. Utilizing advanced fiber optic technology and a PCI Express host interface, this card provides exceptional throughput and reliability for high-speed networking tasks. It is engineered to handle massive data loads, making it an essential component for infrastructure that requires consistent, low-latency communication across complex network architectures.

Advantages

This network adapter offers significant performance benefits through its support for iWARP and RDMA, which facilitate low-latency fabric services by bypassing traditional kernel overhead. The integration of Intel Data Direct I/O Technology allows the adapter to communicate directly with the processor cache, effectively reducing system memory usage and power consumption while increasing overall bandwidth. Furthermore, the inclusion of PCI-SIG SR-IOV and Flexible Port Partitioning enables efficient virtualization, allowing a single physical port to be divided into multiple virtual functions to optimize resource allocation and quality of service for virtual machines. The hardware-based Virtual Machine Device Queues further enhance performance by offloading switching tasks from the virtual machine monitor, resulting in superior throughput.

Suitable for

High-performance data center server clusters
Virtualization environments requiring high I/O density
Cloud computing infrastructure
Enterprise-grade network backbones
Applications requiring low-latency RDMA communication

This adapter may not be suitable for standard desktop computers or workstations that lack the necessary PCI Express slot configuration or server-grade cooling requirements. It is also not intended for home networking setups where 200 Gbit/s speeds exceed the capacity of existing local infrastructure.

Key specifications

Connectivity technology: Wired
Host interface: PCI Express
Interface: Fiber
Maximum data transfer rate: 200000 Mbit/s
Networking standards: IEEE 1588
Port configuration: 2 x QSFP28

How to use

Installation requires a compatible server motherboard with an available PCI Express slot. Once the card is physically seated, ensure the server is powered down and properly grounded. After installation, the operating system will typically require the latest Intel network drivers to recognize the device and enable advanced features like SR-IOV and RDMA. Configuration of virtual functions and port partitioning should be performed through the server's BIOS or the operating system's network management interface to align with your specific virtualization requirements.

What to consider before purchase

Verify that your server chassis supports the physical dimensions and thermal requirements of the card.
Ensure your network switch infrastructure supports 200 Gbit/s fiber connections.
Check for compatibility with your specific server operating system and virtualization platform.
Confirm that your motherboard provides sufficient PCI Express lanes to achieve maximum throughput.

Usage recommendations: For optimal performance and stability, always keep the firmware and drivers updated to the latest versions provided by Intel. Ensure proper airflow within the server rack to maintain operating temperatures during high-load operations.

Specifications

Connectivity technology:: Wired
Interface:: Fiber
Host interface:: PCI Express
Maximum data transfer rate:: 200000 Mbit/s
Networking standards:: IEEE 1588

All features

Component for:: Server
Compliance certificates:: CE, RoHS, Federal Communications Commission (FCC), BSMI, UKCA, RCM, KCC, ICES

Ports & interfaces

Connectivity technology:: Wired
Interface:: Fiber
Host interface:: PCI Express
Internal:: Yes
Fiber ports quantity:: 2
Fiber optic connector:: QSFP28

Bandwidth

Maximum data transfer rate:: 200000 Mbit/s

Network

Networking standards:: IEEE 1588
Ethernet LAN:: Yes
Ethernet interface type:: 2.5 Gigabit Ethernet, 200 Gigabit Ethernet, 50 Gigabit Ethernet, 10 Gigabit Ethernet, 100 Gigabit Ethernet

Performance

Intel Virtual Machine Device Queues (VMDq):: Yes
PCI-SIG* SR-IOV Capable:: Yes
On-chip QoS and Traffic Management:: Yes
Intel Flexible Port Partitioning:: Yes
Intelligent Offloads:: Yes
iWARP/RDMA:: Yes
Intel Data Direct I/O Technology:: Yes
Ethernet adapter ARK ID:: 245162

Technical details

Market segment:: Server

Design

PCI Card form factor:: Full-height (low-profile)

Operational conditions

Storage temperature (T-T):: -40 - 70
Operating temperature (T-T):: 0 - 65

Other features

Intel Virtualization Technology for Connectivity (VT-c):: Yes
Storage Over Ethernet:: iSCSI, NFS

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Warehouse	Stock	Delivery to the store	Store Price
WH354	15	08.07.2026	701.99 €

Available only for legal entities
Warehouse	Stock	Delivery to the store	Store Price
WH15	15	01.07.2026 Best delivery	657.49 € Best price

701.99 €

Stock: 15

Delivery Date: 08.07.2026

Warehouse: WH354

Available only for legal entities

657.49 €

Stock: 15

Delivery Date: 01.07.2026 Best delivery

Warehouse: WH15

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Customer questions

FAQ

How much does the Intel E835-CQDA2 Internal Fiber Network Card cost, and is it available for purchase?

The price is 657.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 30 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 01.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All INTEL products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized INTEL service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: connectivity technology, interface, host interface, maximum data transfer rate, networking standards, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

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