Androidsbc - China source manufacturer for RK3588 32GB RAM - 256GB ROM combo. Featured model WL-DD2 (Dual HDMI 4K Signage Player Board): Rockchip RK3588S (cost-down, 3 display pipelines usable); 4x independent VOP controllers; VP0 4K@60Hz + VP1 4K@60Hz assigned to dual HDMI, different-content mode; 2GB LPDDR4 (entry digital poster SKU); 2x HDMI 2.1 up to 4K@···