Network Cards

Network cards are hardware components that enable computers and other devices to connect to wired or wireless networks. They provide the physical and data-link layer interfaces required for sending and receiving network packets, integrating with system buses such as PCIe or with USB ports. Network cards are used in desktop PCs, servers, workstations, and some embedded systems to add or upgrade network capabilities, improve throughput, or enable specific functions like virtualization or hardware offload. Buyers typically choose network cards when built-in network interfaces are absent, when higher speeds or additional ports are needed, or when advanced features such as VLAN tagging, Jumbo Frames, or IP checksum offload are required. Selection is guided by the target environment: home and small office setups prioritize ease of use and compatibility, while data center and enterprise scenarios focus on throughput, low latency, and reliability.

Types of Network Cards

Common form factors and interfaces for network cards include several distinct types suited to different uses.

• PCIe Ethernet adapters: internal cards that install into PCI Express slots and support 1 GbE, 2.5 GbE, 10 GbE and higher speeds.
• USB Ethernet adapters: external devices that connect via USB to add wired network capability to laptops or small systems.
• Wireless network adapters: PCIe or USB devices that provide Wi‑Fi connectivity, supporting standards such as 802.11ac and 802.11ax.
• SFP/SFP+ and fiber NICs: adapters with optical transceivers or SFP cages used for fiber connectivity in servers and switches.
• Multi-port and server-class NICs: cards that offer multiple Ethernet ports and advanced features aimed at virtualization and high-density deployments.

What are Network Cards used for?

Network cards provide the interface between a device and a network, enabling communication, resource sharing, and access to internet services. They are used to add network connectivity to systems without built-in ports, to increase available bandwidth, to provide redundancy with multiple ports, or to enable specialized links such as fiber for campus and data center environments. In business and virtualization contexts, network cards often handle traffic segregation, offload CPU-intensive tasks, and support features that improve network management and performance. In home and office settings, they facilitate file sharing, printing, internet access, and streaming by connecting devices to routers, switches, and access points.

Key Differences between Network Cards

Network cards differ by interface, speed, supported media, features, and intended environment. These differences determine compatibility and performance.

• Interface and form factor: PCIe, USB, M.2, and external adapters affect installation and device compatibility.
• Connection type and speed: copper RJ45 (Ethernet) vs. fiber SFP/SFP+ and speeds from 100 Mbps to 100 Gbps influence throughput and cabling.
• Wireless vs. wired: Wi‑Fi adapters vary by standard and antenna configuration, impacting range and wireless throughput.
• Advanced features: VLAN support, SR‑IOV, TCP/UDP offload, and hardware timestamping affect performance in servers and virtualized environments.
• Driver and OS support: availability of drivers for specific operating systems determines practical compatibility with target systems.

How to Choose Network Cards?

Choosing a network card requires matching technical specifications to use-case requirements and system constraints.

• Determine required speed and media: choose Ethernet or fiber and the appropriate speed (e.g., 1 Gbps for general use, 10 Gbps+ for servers).
• Check interface compatibility: ensure the card’s form factor (PCIe lane width, USB type, or M.2) fits the host device.
• Consider features: identify needed capabilities such as VLAN tagging, offload features, link aggregation, or virtualization support.
• Verify driver and OS support: confirm vendor drivers or native OS compatibility for Windows, Linux, or other systems.
• Assess power and thermal constraints: server-class cards may require specific cooling or power budgets in compact systems.
• Plan for cabling and transceivers: match port types to existing infrastructure (copper RJ45, SFP modules, or direct-attach cables).

Which network cards 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:

• TP-Link TF-3200 10/100Mbps PCI Network Adapter for 3.99€
• Wireless Bluetooth adapter Riff RF-BT-5.0 — Bluetooth 5.0 USB for smartphones, tablets, laptops for 3.99€
• REPOTEC RP-3200R network card Internal Ethernet 1000 Mbit/s for 4.49€
• D-Link DGE-528T Internal PCI Ethernet Network Card, 2000 Mbit/s for 4.99€
• USB Bluetooth adapter SAVIO BT-040 — wireless interface, up to 50 m, black for 5.49€

Why is it worth buying network cards 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: allied telesis, APC, BenQ, Cisco, D-Link, Dell, Epson, FUJITSU, HAMA, HP, IBM, INTEL, Lenovo, Logitech, Netgear, NVIDIA, PLANET, RAIDSONIC, SANDBERG, SHUTTLE. 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 network cards 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 network cards?

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 network cards?

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 network cards 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 network cards 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.