Finally, the successor to the Define R4 is out after over two years in development. It comes in black and white as usual, with the option to choose the new titanium finish model as well. All finishes are also available with windowed side panels. I have the Define R4 Arctic White, and I love it. Great features for avoiding noise, such as noise dampening materials in the side panels, as well as the Moduvent vent covers. Available now!