Bests & Worsts Reviews from Amazon

If you are looking at this for its built-in ethernet NIC, look elsewhere. This uses the ASIX AX88179 ethernet chip, which is very finicky and will not work with many configurations. Unfortunately, I did not know this at the time of purchase. Fortunately, my wireless works well, so I don't strictly *need* ethernet support--it's just a nice-to-have feature that sets the Core X Chroma off from its less-expensive competition. This review is more about Razer's support practices: Razer practically begs you in all of its documentation to contact Razer support instead of returning the product if you have problems. Ignore them and just return it. If you contact Razer, they will spend time "troubleshooting" your problem just long enough for Amazon's return window to close, then find a way to drop you and say it isn't their fault. In my case, Razer "support" ran through the usual troubleshooting steps: Power cycle. Install updates. Reinstall the ethernet driver. Reinstall the thunderbolt driver. Plug the ethernet into a different port on the router. Plug the ethernet directly into the modem. Etc. Finally, just as Amazon's return window closed, they hit me with what I thought was just another troubleshooting step: Try to borrow a different laptop to try it with. Seemed like an innocent troubleshooting step to me: we're just trying to isolate the problem to software or configuration and rule out a hardware problem, right? Nope. As soon as I informed them that the ethernet works well with a borrowed laptop, they dropped me saying the Core X Chroma is working "as advertised", it is not their problem, and I should contact the manufacturer of my laptop. Seriously. Razer is a system manufacturer, so they know as well as anybody that no system manufacturer EVER provides support for third-party peripherals. It is clear all Razer "support" was doing was stringing me along until Amazon's return window closed. So now I'm stuck with a device whose major "feature" setting it off from its cheaper competition doesn't work. Learn from my experience: Just return it. Never, ever contact Razer "support."