Dec 4, 2025 · Why won’t Steam Machine support HDMI 2.1? Digging in on the display standard drama. Valve tells Ars its “trying to unblock” limits caused by open source driver issues.

3 days ago · Technically, the Steam Machine supports HDMI 2.1. However, Valve and AMD are not allowed to offer an open-source driver for it.

2 days ago · New submitter emangwiro shares a report: The HDMI Forum, responsible for the HDMI specification, continues to stonewall open source. Valve's Steam Machine theoretically supports …

2 days ago · Valve’s Steam Machine hardware supports HDMI 2.1, but the HDMI Forum’s refusal to share open specifications keeps Linux drivers locked at 4K/60 and exposes a deeper fight between closed …

3 days ago · According to an interview with Ars Technica, Valve is now trying to clarify this situation. The company has been "working on trying to unblock things there" to gain official support and approval for …

3 days ago · Most modern gaming devices support HDMI 2.1, but Valve’s Steam Machine only supports HDMI 2.0. Why? It’s not because Valve doesn’t want to support HDMI 2.1, but because the HDMI …

1 day ago · The Steam Machine , a gaming PC developed by Valve, supports the older HDMI 2.0 standard from 2013, rather than the HDMI 2.1 standard announced in 2017. It has been pointed out …