了解网卡种类：网络产品中的必备知识 在构建网络产品或设计一个计算机网络时，网卡的重要性不容忽视。网络接口卡，即通常所说的“网卡”，负责数据在网络与设备之间的传输，它的类型与功能都极大地影响着整个网络系统的性能和功能。接下来，我们将深入了解一些常见的网卡种类。 一、按传输速度分类 1. 快速以太网网卡：快速以太网网卡使用光纤电缆进行传输，速度可达每秒数千兆字节。它通常用于高速网络环境，如大型企业或数据中心。 2. 千兆网卡：千兆网卡的速度更快，可以达到每秒数千万至数亿字节的传输速度。这种网卡广泛应用于高速数据传输和服务器连接。 3. 万兆网卡：万兆网卡的速度远超前两者，常用于高性能计算、大数据处理和云计算等场景。

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二、按接口类型分类 1. 无线网卡：无线网卡是用于无线网络的接口卡，它允许设备通过无线信号进行网络连接。常见的无线网卡支持Wi-Fi、蓝牙等无线通信技术。 2. 有线网卡：有线网卡则通过有线连接进行数据传输，常见的接口类型包括RJ-45（用于以太网）、USB、PCI-E等。 三、按芯片种类分类 1. 英特尔系列网卡：作为市场领导者，英特尔的网卡因其可靠性和稳定性受到广大用户的信赖。 2. 瑞昱系列网卡：瑞昱的网卡在性价比上具有优势，广泛应用于中低端市场。 四、按功能分类 1. 基础型网卡：基础型网卡提供基本的网络连接功能，适合普通用户和中小企业使用。 2. 多功能型网卡：多功能型网卡除了提供网络连接功能外，还可能集成其他功能，如防火墙、流量控制等，适用于需要更高级别管理和安全措施的场景。 翻译成英文如下： Types of Network Interface Cards: A Necessary Knowledge in Network Products In the process of building network products or designing a computer network, the importance of network interface cards (NICs), commonly known as "network cards", cannot be ignored. These cards are responsible for data transmission between the network and the device, and their types and functions greatly affect the performance and functionality of the entire network system. Next, we will delve into some common types of network cards. I. Classification by Transmission Speed 1. Fast Ethernet NICs: Fast Ethernet NICs use fiber optic cables for transmission, with speeds reaching thousands of megabytes per second. They are typically used in high-speed network environments such as large enterprises or data centers. 2. Gigabit NICs: Gigabit NICs have a faster speed, reaching millions to billions of bytes per second. This type of network card is widely used in high-speed data transmission and server connections. 3. 10 Gigabit NICs: 10 Gigabit NICs are much faster than the previous two types, often used in high-performance computing, big data processing, and cloud computing scenarios. II. Classification by Interface Type 1. Wireless NICs: Wireless NICs are interface cards used for wireless networks, allowing devices to connect to the network through wireless signals. Common wireless NICs support wireless communication technologies such as Wi-Fi and Bluetooth. 2. Wired NICs: Wired NICs transmit data through wired connections, with common interface types including RJ-45 (for Ethernet), USB, PCI-E, etc. III. Classification by Chip Type

1. Intel Series NICs: As a market leader, Intel's NICs are trusted by many users for their reliability and stability.

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2. Realtek Series NICs: Realtek's NICs have an advantage in cost-effectiveness and are widely used in the mid-to-low-end market. IV. Classification by Functionality 1. Basic Network Cards: Basic network cards provide basic network connection functions and are suitable for ordinary users and small and medium-sized enterprises. 2. Multi-function Network Cards: Multi-function network cards provide not only network connection functions but also other integrated functions such as firewalls and traffic control, suitable for scenarios that require more advanced management and security measures.