Priced below the US$50 threshold, the Sharkoon RGB Slider is a compact ATX case with a tempered glass side panel and a front panel that features an RGB LED strip with a built-in RGB controller with 14 presets, as well as support for Asus Aura Sync, MSI Mystic Light Sync, Gigabyte Fusion, and ASRock Polychrome SYNC.
https://www.notebookcheck.net/Sharkoon-launches-the-affordable-RGB-Slider-compact-ATX-case.504462.0.html