Razer Core X Chroma Thunderbolt 3 External Graphics Enclosure (eGPU) Windows & Mac w/ RGB Chroma Lighting: From the manufacturerAbout RazerFor Gamers. By Gamers. It's not just a tagline. It's a mission. It's exactly what drivers Razer to create products which constantly tilt the competition in your favor. From behind the drawing board all the way to the tournament stage, each step is controlled by the un