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Overview

The TP-Link TG-3468 is a budget-friendly Gigabit Ethernet PCI Express adapter that has been a staple for desktop users needing a wired connection. Whether your motherboard LAN died, you're fed up with Wi-Fi latency, or you just want a reliable backup, this small card delivers 10/100/1000 Mbps over a standard PCIe x1 slot. It uses the widely supported Realtek RTL8168/8111 chipset, so driver compatibility is excellent across Windows and Linux. Priced around $15 (often under ¥1,500 in Japan), the TG-3468 is the go-to choice for anyone who needs wired Ethernet without spending more than necessary. It includes both a full-height and a low-profile bracket, making it usable in everything from standard towers to slim media-center cases. If you're looking for the cheapest way to add a wired LAN port to a desktop, this is it.

Connectivity & Compatibility

The TG-3468 connects via PCI Express x1, and works in any x1, x4, x8, or x16 slot regardless of PCIe generation (1.0/2.0/3.0). That means almost any desktop from the past 15 years can accept it. The low-profile bracket covers small form-factor cases and even rack-mount 1U systems. Driver support is practically universal. Windows 10 and 11 detect it automatically; Linux picks it up with the r8169 kernel driver. The card is 10/100/1000 Mbps only—it doesn't support 2.5G or faster Ethernet. If your router or switch is 1 Gbps, this is perfectly matched, but for NAS or multi-gigabit networks you'll need a pricier card. One slight caution: some modern motherboards share PCIe lanes between the physical x16 slot and M.2 slots. Check your motherboard manual to avoid lane conflicts that could slow down an NVMe drive.

Product Info

The TG-3468 launched around 2010 and remains in active production—a testament to its reliability. It falls firmly in the entry-level tier: no fancy features, just stable 1 Gbps Ethernet. TP-Link backs it with a 2-year warranty. The package includes the card (full-height bracket pre-installed), low-profile bracket, and a quick guide. No CD, no extra cables. Its market position is simple: the most affordable Gigabit PCIe adapter from a reputable brand. Alternatives like the Intel Gigabit CT Desktop Adapter cost 2–3 times more for similar performance, while the ASUS XG-C100C jumps to 10 Gbps but costs over $100. The TG-3468 wins on value for anyone who only needs 1 Gbps.

Best Use Cases

  1. Desktop with a dead LAN port Lightning strikes and power surges often kill the motherboard's Ethernet jack. Instead of replacing the whole board, a TG-3468 restores wired connectivity for less than 2,000 yen in Japan. It's a quick fix that works. 2. Gamers switching from Wi-Fi to wired If you're tired of packet loss or high latency in online shooters, a wired connection is the single best upgrade you can make. This card provides a stable 1 Gbps link with no wireless interference, drastically improving your online gaming experience. 3. Adding Ethernet to an old office PC Many older business desktops lack Gigabit LAN or have faulty ports. With a PCIe x1 slot available, the TG-3468 gives them a reliable wired connection for file sharing or streaming. It's cheap enough to buy a spare. Who should skip it? Anyone building a high-speed NAS with 2.5G/5G/10G networking will be bottlenecked by this card. Also, laptop users should look at USB 3.0 Gigabit adapters instead.

Product Disclosure (Amazon)

  • Manufacturer: ASUS
  • ASIN: B07GKZ5NRB
  • Note: This article covers a manufacturer-made product based on Amazon listing details.