Steam Machine 2026: Round Two, and This Time It Runs KDE

The first Steam Machine was a 2015 disaster. A confused, fragmented launch of third-party boxes running an immature SteamOS 1, no AAA Linux catalogue, no Proton, and a controller everyone politely pretended to like. The whole effort quietly evaporated within a couple of years and Valve, to its credit, didn’t try to spin it. They went away, built the Steam Deck, built Proton into something that actually works, and waited.

On November 12, 2025, Valve announced the second Steam Machine. It launches in the first half of 2026 — slightly delayed from Q1, mostly because of the RAM and storage shortages I already wrote about in the Hetzner post. This one is a single SKU designed and built by Valve, runs SteamOS 3 on KDE Plasma, and is, against every prior to expect, the most interesting console announcement of this generation.

What’s in the box

A 152 × 162 × 156 mm matte-black cube that weighs 2.6 kg. Removable faceplate. A customizable LED strip across the front because of course there is. Here’s the spec sheet that actually matters:

The notable architectural detail: this is not an APU. CPU and GPU are discrete chips on the same board, which is why the TDP numbers add up sensibly (30 W + 110 W ≈ a 140 W power envelope under load) and why the GPU side has dedicated GDDR6 instead of sharing system RAM. The practical consequence is a thermal and performance profile much closer to a small-form-factor desktop than to a Steam Deck-on-steroids.

Valve’s own framing: about 6× the GPU performance of a Steam Deck. That puts you somewhere between a Radeon RX 7600 and an RX 7700 XT — roughly PS5-class raster performance, with FSR doing the upscaling work for the 4K 60 FPS target Valve has been quoting in interviews.

The KDE angle (this is the part I care about)

Skip this section if you don’t run KDE. I do, so I won’t.

SteamOS 3 is Arch Linux with KDE Plasma 6 as the desktop environment. The console boots into Big Picture by default, which is the experience 99% of buyers will live inside. But press the right combo and it drops you into a full KDE desktop with Discover, Konsole, Dolphin, the works — the same desktop I’m typing this in on my Fedora 44 workstation, just on a 6-inch black cube under a TV.

That’s the part that quietly matters. Valve is shipping more Plasma seats into living rooms than KDE itself ever managed to push through desktop adoption campaigns. Every Steam Deck already does this. The Steam Machine industrialises it: a KDE-based OS as the default out-of-box experience on a console that competes with PS5 on the shelf.

For Linux as a desktop platform that has been “next year” for twenty-five years running — this is a bigger deal than the hardware.

Why this round can work and 2015 couldn’t

Three things changed since the last attempt:

Proton. The Linux compatibility layer Valve built for the Deck (based on a heavily-patched Wine + DXVK + VKD3D) now runs the overwhelming majority of the Steam catalogue, including a long tail of DirectX 11 and DirectX 12 titles that would have been unthinkable in 2015. The 2015 Steam Machine asked developers to port games. The 2026 Steam Machine doesn’t ask for anything — it just runs them.

Steam Machine Verified. Same idea as Deck Verified. Each title gets a green / yellow / red rating against the hardware so buyers know what works before they spend money. This was the single biggest UX papercut of the original launch and Valve has clearly internalised it.

A real reference design. No more third-party Alienware / Falcon Northwest / Zotac Steam Machines all with different specs, different prices, and different shipping dates. One box, one set of expectations, one verification target. The Deck proved Valve can ship hardware on time and on spec; this is the natural next move.

The catches, in order of how much they’d bug me

Pricing isn’t announced. Leaks are wildly divergent — anything from $600 (PS5 Slim-adjacent, 512 GB) to over $1,000 (probably for the 2 TB + Steam Controller 2 bundle). Valve’s own line is “positioned closer to the entry level of the PC space” and “competitive with what you could build yourself.” A self-built mini ITX box with equivalent silicon today is around $700-$900 before storage, so the wide leak range is probably both right depending on the SKU.

8 GB VRAM is the spec I’d worry about for longevity. Digital Foundry has already flagged it. PS5 has 16 GB shared but games can allocate 12+ to GPU work. Xbox Series X has 16 GB with a 10 GB high-bandwidth pool dedicated to the GPU. The Steam Machine has 8 GB GDDR6, hard-capped. For 2026 titles at 1440p / FSR-to-4K this is fine. For 2028 AAA games chasing PS6 launch parity, it’s the component most likely to bite.

Anti-cheat. Proton supports kernel-level anti-cheat in many titles (EAC, BattlEye both ship Linux runtimes now), but a handful of the biggest competitive multiplayer games — you know which ones — still refuse to enable Linux support. If your library is mostly League, Valorant, Destiny 2, or Fortnite, the Steam Machine is not your machine.

The RAM crisis is real. The launch slipped from Q1 to “first half of 2026” specifically because Valve couldn’t lock down DRAM supply contracts at the price they’d modelled. Same hyperscaler / AI build-out pressure I covered in the Hetzner post. If the final pricing lands higher than the $600 leak, blame Microsoft, OpenAI, and Meta — not Valve.

Where the Steam Controller 2 and Steam Frame fit

Valve announced all three at once: Steam Machine (console), Steam Controller 2 (the trackpad-having descendant of the original Steam Controller, with hall-effect sticks), and Steam Frame (a wireless standalone VR headset). The integrated 2.4 GHz dongle on the Steam Machine talks directly to the Controller 2 — no Bluetooth latency penalty. The Frame is its own product but uses the same SteamOS plumbing.

The bundle hint matters because the >$1,000 price leak likely corresponds to a Machine + Controller 2 SKU rather than the bare console. Worth waiting for the official announcement before panicking about cost.

Would I have one?

Yes.

I’d have one as the living-room box. I already have a Fedora 44 workstation that does most of my gaming via Steam + Proton; the Steam Machine extends the same setup to the TV without the noise, heat, and fan curve gymnastics of carting a tower into the living room. KDE Plasma underneath means I’m not learning a new platform — I’m just adding a second Plasma seat to the house.

I’d buy the 2 TB model. 512 GB is a courtesy these days, not a storage tier. And I’d skip the Controller 2 in the bundle — DualSense over USB-C already works flawlessly on SteamOS and that’s what’s in my hand when I’m sitting on the couch.

What I would not do: replace my desktop with it. The 8 GB VRAM ceiling, the fixed 6-core CPU, and the fact that I can’t drop in a better GPU later put it firmly in console territory, not PC territory. That’s not a criticism — it’s the design intent.

So — would you have one?

The question I keep asking everyone who’ll listen: do you actually want a $700-ish Linux console under your TV that runs your existing Steam library, ignores Microsoft entirely, and quietly puts KDE Plasma on twenty million more screens?

I would. In a heartbeat. Pre-order opens whenever Valve stops fighting the DRAM market, and they’ll have my money the day it does.

Tell me yours.