Uploaded August 2026 | Updated September 2026, 2 weeks ago

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We added an ASRock RX 9070 XT to Valve's Steam Machine using an M.2 OCuLink adapter and the AOOSTAR AG03 eGPU dock — and it's pretty insane. This is the best mod I've done to the Steam Machine so far, boosting FPS by 3X over stock.

Buy The AOOSTAR AG03 eGPU Dock Here: amzn.to/4wmS0ew
Buy The ASRock RX 9070 XT: amzn.to/4xBUDKK
Oculink Adapter: amzn.to/4i3MPfZ

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DISCLAIMER: This video and description contains affiliate links, which means that if you click on one of the product links, I’ll receive a small commission at no extra cost to you!

00:00 - Intro: Tripling the Steam Machine's Frame Rate
00:27 - Hardware Overview: AOOSTAR AG03 & RX 9070 XT
01:47 - Teardown & M.2 OCuLink eGPU Installation
03:40 - First Boot & Dock Setup Tips
04:10 - SteamOS Settings & System Hardware Specs
05:14 - SteamOS GPU Launch Options Workaround
06:07 - Cyberpunk 2077 eGPU Benchmark (1440p)
07:34 - Ratchet & Clank: Rift Apart Test
08:52 - Forza Horizon 6 Gameplay Test
10:00 - Benchmark Charts: Stock GPU vs RX 9070 XT
11:57 - CPU Bottlenecks & Final Thoughts


THIS VIDEO IS FOR EDUCATIONAL PURPOSES ONLY!