External GPU enclosures are nothing new – in fact, Razer has already released two of them prior to the one we are looking at today. The thing that makes the Core X stand out is its pricing – at £259.99, it over £200 cheaper than the Core V2, Razer’s top of the line GPU enclosure. What’s it like to use, and can you actually get decent performance from an external graphics card? Let’s find out…