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I built a SteamOS PC slightly bigger and faster than a Steam Machine (RX 6600 + Ryzen 5 5600X)

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Source: ITG Gear
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  • uploaded_at: 2026-10-03T19:03:20Z
  • description: In this video, I upgrade my 4.3L SKTC A07 ultra compact mini ITX gaming PC build by installing an ASRock RX 6600 ITX single fan GPU, design a custom ventilation side panel to fix overheating, and install SteamOS. Is this the best smallest all-AMD mini ITX gaming PC build that could rival the Steam Machine? Let's find out! - Free Ventilation Side panel STL 3D model file: https://www.printables.com/model/1864774-3d-printable-ventialiton-side-panel-fit-sktc-a07-m PC parts: Amazon: - CPU: AMD Ryzen 5 5600X https://amzn.to/46UGn4r - CPU Cooler: Noctua NH-L9i https://amzn.to/4y4uDrc - CPU cooler: Noctua NM-AM5-L9aL9 AMD Mounting Kit https://amzn.to/4jDaYuE - MB: MSI MPG B550I Gaming Edge MAX WiFi https://amzn.to/46YBkQy - RAM: Kingston HyperX 16GB Kit DDR4 3600MHz https://amzn.to/4hsN4Rm - SSD: Crucial P3 Plus 1TB NVMe SSD https://amzn.to/3TIQ56K - PSU: Enhance ENP-8345L 450W Flex ATX https://amzn.to/4j2mvnh - Case: SKTC A07 4.3L Mini ITX case https://amzn.to/4dmtuDT - Riser Cable: PCIe Riser Cable Gen 5 https://amzn.to/4z7FMbt - GPU: ASRock RX 6600 ITX https://www.ebay.com/itm/137693642849 AliExpress: - CPU: AMD Ryzen 5 5600X https://s.click.aliexpress.com/e/_c34zEvDj - CPU Cooler: Noctua NH-L9i https://s.click.aliexpress.com/e/_c32MemRx - CPU cooler: Noctua NM-AM5-L9aL9 AMD Mounting Kit https://s.click.aliexpress.com/e/_c2RPrDFR - MB: MSI MPG B550I Gaming Edge MAX WiFi https://s.click.aliexpress.com/e/_c42Lc9TX - RAM: Kingston HyperX 16GB Kit DDR4 3600MHz https://s.click.aliexpress.com/e/_c4EB0rfJ - PSU: Enhance ENP-8345L 450W Flex ATX https://s.click.aliexpress.com/e/_c4TNfOn3 - Case: SKTC A07 https://s.click.aliexpress.com/e/_c3TuncOZ - Riser Cable: PCIe Riser Cable https://s.click.aliexpress.com/e/_c3D4N5Ln 0:00 Introduction 0:42 Choosing an ITX GPU 1:16 Unboxing Asrock Challenger RX 6600 CLI ITX 1:55 Upgrading the GPU 2:28 PC build cost backdown 3:18 Fixing overheat: Designing, 3D printing vent side panel 4:22 Gameplay test 7:53 Final thought Description: In this video, we upgrade a 4.3-liter SKTC A07 ultra-compact Mini-ITX gaming PC by installing an ASRock Radeon RX 6600 ITX single-fan graphics card, designing a custom 3D-printed ASA ventilated side panel to solve thermal throttling and overheating, and configuring SteamOS Holo for a console-like experience. We take this custom small form factor (SFF) build through real-world gaming benchmark tests across titles like Cyberpunk 2077, Red Dead Redemption 2, God of War Ragnarok, The Witcher 3 Next-Gen, and Forza Horizon at 1080p settings without FSR or frame generation to test raw hardware performance. Watch the full teardown, thermal modification, assembly, and gaming performance review to see if this setup stands as the ultimate compact all-AMD Mini-ITX gaming PC and a true DIY alternative to a Steam Machine. Disclaimer: This video is for informational and educational purposes only. Any hardware modifications or custom tweaks shown are done at your own risk. This content is not sponsored or affiliated with any brands shown unless stated otherwise. Disclosure: As an Amazon Associate, I earn commission from qualifying purchases. This means that if you make a purchase through my affiliate links, I may receive a small commission at no extra cost to you. #itggear #minipc #steamos
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  • title: I built a SteamOS PC slightly bigger and faster than a Steam Machine (RX 6600 + Ryzen 5 5600X)
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  • updated_at: 2026-10-04T16:10:35Z
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