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Indicates that the interface supports a maximum speed of 2500Mbps.
A 2.5G network port is a network interface with a rate of 2.5Gbps. The actual rate is usually calculated as 2500Mbps, which means that the interface supports a maximum speed of 2500Mbps. Converted into a better value, it is about 312.5MB/s, which is the download speed of networked devices in daily use. Or the theoretical upper limit rate of uploads.
2.5G network port usage scenarios:
The transmission rate of the 2.5G network port is fast, and its speed can support a maximum bandwidth rate of 2.5Gbps (2500Mbps), which is 2.5 times faster than the traditional Gigabit 1.0Gbps speed, and the delay is very low, whether it is e-sports games or webcast , or office downloads, can allow users to have a good experience. Considering the current usage scenario, the 2.5G port of the router is more practically used as a LAN port for NAS or NAS-like devices (file servers or databases). .

Great information, especially since we are seeing computers come with 2.5Gbps speeds!

However, it's not the complete story. To take advantage of those speeds, every system needs to handle a 2.5Gbps connection. The computer also needs to handle reading or writing at these speeds, or else you'll have a bottleneck. Storage devices, memory, processor, operating system, etc... everything can limit your speed.

You then need to have a switch or router that can handle these speeds. For example, on Amazon it's possible to find a five-port gigabit switch (up to 1Gbps per port) for under $20USD, but looking for a 2.5Gbps switch, you're closer to $90USD. Routers get even costlier, and you need to read the specs to make sure all ports are the same speed.

Then, you also need a supported ethernet cable. A proper Cat5e cable is rated for 1Gbps speeds, and you'll need a Cat6 or Cat6e cable for each device, to take advantage of those speeds. Fortunately, these are similar in price to Cat5e cables, so buy the best cable you can, to future-proof your network.

Of course, your internet speeds also matter. In America, some ISPs offer fiber and gigabit speeds, but that's not everywhere. Plus, a fast internet connection is only as good as the connection to the other end, and the web server itself.