Among the third-party partners unveiling their Steam Machines today at the Consumer Electronic Show is CyberPowerPC, which has announced two customizable models that will be available in the second half of 2014.

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Both models outlined in today's announcement feature 500GB hard drives, 8GB DDR3 memory, and mITX motherboards with support for Bluetooth, Wi-Fi, and USB 3.0. They will both run the Linux-based Steam OS and come equipped with the Valve-made Steam Controller designed for playing PC games in the living room.From there, the two models -- the $499 Steam Machine A and the $699 Steam Machine I -- differ in terms of processors and video cards. The A model sports a 3.9 GHz AMD A6-6400K and 2GB AMD Radeon R9 270, while the I model features a 3.5 GHz Intel Core i3-4330 and 2GB NVIDIA GeForce GTX 760.Both are said to be customizable, although just what options will be available to consumers were not announced. The $499 and $699 price tags and base prices for each model.Valve currently has prototypes of its own hardware of which are currently in the hands of 300 beta testers. That system's hardware is much higher-end, with its components' value estimated to be roughly $1,300 . Valve has not, however, indicated it will be selling its own Steam Machine.While CyberPowerPC's Steam Machine offering comes in at the lower-end in terms of price, we've already seen more expensive options announced, including one from Digital Storm last year and an $1,899 dual-booting machine announced by Digital Storm at CES today. A system from iBuyPower announced in November falls more in line with CyberPowerPC's at $500.Valve has a CES press conference scheduled for tonight at 5pm PST / 8pm EST where more Steam Machine partners are expected to be announced.

Chris Pereira is a freelance writer who spends his spare time agonizing over the final seasons of The X-Files. Check out what he's saying on Twitter and follow him on IGN