Asus' upcoming Steam Machine, the ROG GR8, will run Windows 8.1 and be fully compatible with SteamOS and the Steam controller, the company announced via its website.

The PC is built with an Intel Core i7 processor and Nvidia GeForce GTX 750Ti graphics. It will also stream HD content from Android phones, tablets, Windows 8.1 PCs and WiDi 3.5+ devices. A price for the PC has not been announced.

A SteamOS-powered ROG GR8 is expected to launch "in alignment with Valve's Steam Machine schedule."

Other gaming PCs include the ROG G20, a "compact 12.5-liter case that houses an Intel Core i7 processor and an NvidiaGeForce GTX 780 graphics card." The PC has no visible exhaust vents and includes an Eco Energy Mode. The company will also release gaming notebook the ROG GX500, a gaming mouse, keyboards and more.

Asus' lineup is the latest to join third-party partners such as Alienware and Origin PC. During CES 2014, Valve released a list of Steam Machine specs and their prices.

Valve's Steam Machines, or SteamOS-based gaming systems, were initially expected to launch this year; however, the Steam Controller was delayed to 2015. It's still unclear if this means the Steam Machine will be delayed as well.