When Valve announced its upcoming Steam Machine hardware last month, some eagle-eyed gamers may have been surprised to see that the official spec sheet lists support for HDMI 2.0 output, rather than the updated, higher-bandwidth HDMI 2.1 standard introduced in 2017. Now, Valve tells Ars that, while the hardware itself actually supports HDMI 2.1, the company is struggling to offer full support for that standard due to Linux drivers that are “still a work-in-progress on the software side.”

As we noted last year, the HDMI Forum (which manages the official specifications for HDMI standards) has officially blocked any open source implementation of HDMI 2.1. That means the open source AMD drivers used by SteamOS can’t fully implement certain features that are specific to the updated output standard.

“At this time an open source HDMI 2.1 implementation is not possible without running afoul of the HDMI Forum requirements,” AMD engineer Alex Deucher said at the time.

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After Valve announced its upcoming Steam Machine living room box earlier this month, some analysts suggested to Ars that Valve could and should aggressively subsidize that hardware with “loss leader” pricing that leads to more revenue from improved Steam software sales. In a new interview with YouTube channel Skill Up, though, Valve’s Pierre-Loup Griffais ruled out that kind of console-style pricing model, saying that the Steam Machine will be “more in line with what you might expect from the current PC market.”

Griffais said the AMD Zen 4 CPU and RDNA3 GPU in the Steam Machine were designed to outperform the bottom 70 percent of machines that opt-in to Valve’s regular hardware survey. And Steam Machine owners should expect to pay roughly what they would for desktop hardware with similar specs, he added.

“If you build a PC from parts and get to basically the same level of performance, that’s the general price window that we aim to be at,” Griffais said.

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