Hardware support
Tiers are honest: A = certified before every release, B = supported and regularly tested, C = community-maintained, D = known not to work. The full matrix — GPUs, controllers, Wi-Fi, wheels, capture cards — lives in docs/12.
| Device | Tier | Notes |
|---|---|---|
| Steam Deck (LCD/OLED) | A | Primary handheld target via HHD |
| ASUS ROG Ally / Ally X | A | TDP, gyro, RGB via HHD |
| Lenovo Legion Go / Go S | A | Including the 120 Hz VRR panels |
| AMD desktops (RDNA2/3/4) | A | The reference platform — Mesa/RADV |
| Intel desktops/laptops (Xe/Arc) | B | Arc needs Resizable BAR enabled |
| NVIDIA desktops (RTX 50) | B | castalia-nvidia-open — the open kernel modules, the only ones that support Blackwell |
| NVIDIA desktops (RTX 40 and older) | B | castalia-nvidia — the closed driver |
| GPD Win 4 | B | Portrait-native panel quirk handled |
| AYANEO 2 / 2S | B/C | DMI varies by batch — reports welcome |
| MSI Claw A1M | C | First Intel handheld; ANV path, community |
| OneXPlayer X1 Mini / AYN Loki | C | Community-supported via HHD |
Tested Castalia on your hardware? File a hardware report — every report moves a device up the matrix.