Server network cards

Server network cards, also known as Network Interface Cards (NICs), are essential hardware components that enable servers to connect to a network infrastructure. These devices facilitate the transmission and reception of data packets between the server and other network nodes, ensuring reliable communication within data centers and enterprise environments. They are selected based on specific bandwidth requirements, port density, and compatibility with existing server architecture. Modern network cards are designed to handle high traffic loads, reduce CPU overhead through offloading technologies, and support various protocols for optimized performance. By integrating these cards, administrators can achieve the necessary network throughput for demanding applications, virtualization, and storage solutions. Choosing the right network interface is critical for maintaining system uptime and operational efficiency in professional IT infrastructures.

Use cases of server network cards

Server network cards are utilized in various professional environments to ensure seamless data flow. Common use cases include:

• High-performance computing clusters requiring low-latency communication.
• Virtualization environments where multiple virtual machines share a single physical network connection.
• Enterprise-grade storage area networks (SAN) that demand high bandwidth for data backup and recovery.
• Cloud infrastructure hosting services that require scalable and reliable network connectivity.

Types of server network cards

Network cards are categorized based on their technical specifications and connection standards:

• Ethernet NICs: The most common type, supporting speeds from 1GbE to 100GbE and beyond.
• Fiber Optic Cards: Designed for long-distance data transmission and high-speed fiber connections.
• Converged Network Adapters (CNA): Combine Ethernet and Fibre Channel traffic on a single card.
• SmartNICs: Advanced cards that offload specific network processing tasks from the server CPU to improve overall system performance.

Key features to consider

When evaluating server network cards, consider the following technical parameters:

• Data Transfer Rate: Ensure the card supports the bandwidth required by your network infrastructure.
• Interface Type: Verify compatibility with the server's PCIe slot (e.g., PCIe 3.0, 4.0, or 5.0).
• Port Configuration: Determine the number of ports needed and the connector type (RJ45, SFP+, QSFP).
• Driver Support: Check for compatibility with your server operating system and virtualization platforms.

How to choose server network cards

Selecting the appropriate network card requires an assessment of your current and future network needs. First, identify the maximum bandwidth supported by your switches and cabling. Second, ensure the physical form factor of the card fits your server chassis, whether it is a standard height or low-profile slot. Third, consider the need for advanced features like hardware-based offloading or support for specific protocols such as iSCSI or FCoE if you are managing storage traffic. Finally, verify that the card is certified for use with your specific server hardware to ensure stability and optimal performance.

Which server parts & components are the most popular and affordable in 2026?

The full list of popular models at affordable prices is available on this page. In 2026, the following models show high demand and an excellent price-to-quality ratio:

• Eaton KT-5 Terminal Support 275447 for 3.99€
• Relpol MBA Spring Retaining Clip for GUC11 Socket and RUC Relay for 4.49€
• Relpol GZ2 Spring Retaining Clip for 4.99€
• Relpol RM50-3011-85-1012 Miniature Relay for 5.99€
• JetWorld V-clamp connector Type I/D for OVKS 300 terminal 35-240 mm² for 6.49€

Why is it worth buying server parts & components at AiO.lv?

At the AiO.lv online store, you can place an order at a great price with delivery across Latvia — to Riga, Daugavpils, Liepaja, Jurmala, Ventspils, and other cities, as well as throughout Europe. We offer products from leading manufacturers: ADAPTEC, APC, ASROCK, CHIEFTEC, Cisco, Dell, FUJITSU, HP, IBM, INTEL, Lenovo, Siemens, SYNOLOGY, Asus, Chenbro, acutake, DIGITUS, LOGILINK, LSI, OEM. When you shop with us, you get:

• official warranty and guaranteed quality;
• convenient payment options (including installment and credit);
• fast and reliable delivery across Latvia and to any EU country.

FAQ

Where can you find a server parts & components with cheap prices?

You can buy cheaper at the AiO.lv online store. We offer competitive prices and regular discounts, so you always have the chance to find a great deal.

What is the delivery time for server parts & components?

If you place your order today, delivery will take between 1 and 5 business days depending on the chosen method.

How long is the warranty period for server parts & components?

Our store provides an official manufacturer’s warranty ranging from 12 to 36 months, depending on the model and brand. If needed, you can always contact our customer service department or the manufacturer’s authorized service center for support.

Are server parts & components purchasable with leasing?

Yes, if the selected product costs more than €50. You can learn more about installment purchase options and the terms of application on the Payment page.

Can server parts & components be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and throughout Europe. All product prices are shown with VAT included. In certain cases, a 0% VAT rate may apply — for example, when purchasing from other EU countries with a valid VAT number. We issue an invoice immediately after the order is placed, support BIS electronic invoices, and automatically generate all required accounting documents. To complete a purchase for a company, simply select the company profile during checkout.