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However, in 99.9% of cases (okay, I can't cite a source for that figure - I'm just making a point) this will not be a practical consideration for users unless they intend to connect to an existing 10Gbps ethernet network. I'm adding this longer answer due to the various comments below my original answer.įor starters, ethernet can actually support up to 10Gbps. So, as you can see, it doesn't matter because they're all faster than the ethernet you're converting to. *In the overwhelming majority of cases, although 10Gbps ethernet networks do exist.
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More specifically (and at the risk of oversimplifying it): I say this because both USB 3.0 and Thunderbolt are faster than ethernet, so it doesn't matter which way you go from a speed point of view. If, on the other hand, you're interested in a product with the flexibility and expandability outlined above, consider a product with an Ethernet interface.The answer to your question as asked in the title is it really depends on what ports you have available, personal preference, cost, etc. In short, if your aim is simply to view real-time data, in the immediate vicinity of the device under test and store that data on your local hard drive a USB instrument is the economical choice.
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Users with a USB interface must removed the SD card from the DI-71x and placed it in an SD card reader in order to retrieve data.ĭI-720/730/785/788 users benefit from an Ethernet interface as well with the ability to daisy-chain multiple units together and acquire data synchronously!
#Usb 2 vs usb 3 vs ethernet Pc
You can even acquire data over the internet!Īn additional benefit of the Ethernet interface for DI-71x, stand-alone users is the ability to upload data directly to a PC from the on-board SD memory card (max rate ˜ 3,300 samples per second). In addition, using third-party Wi-Fi equipment you can acquire data wirelessly from up to 200 feet away (depending on the wireless equipment and operating environment). LAN (local area network) connectivity allows you to access an Ethernet instrument from any PC on your network. An Ethernet instrument can be connected directly to a PC via an Ethernet cable up to 100 meters long. While slightly more expensive, Ethernet instruments offer a great deal of flexibility. USB Advantagesĭaisy-chainable for Synchronous Data Acquisition On the downside, a USB instrument can only be accessed from the PC that it's connected to, over a relatively short distance.
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#Usb 2 vs usb 3 vs ethernet install
In addition, USB instruments are easier to install and most PCs have plenty of USB ports to choose from. An instrument with a USB interface is generally $100 to $200 less expensive than its Ethernet counterpart. When it comes to an instrument with a USB interface, the most obvious benefit is cost. In this application note I'll outline the benefits (and drawbacks) of each interface helping you to choose the best product for you're application. When deciding between a USB and Ethernet interface, it's important to weigh the advantages and disadvantages of both.