Ultimate Bundle HDMI-2-0 and the Standard Bundle uses

and the Standard Bundle uses the 2

Compare them on the comparison page

both LED strips

Does it support eARC or work with a PC monitor

The box is HDCP 2

Ultimate Bundle HDMI-2-0 and the Standard Bundle usesThe Ultimate Bundle is the top of the Fancyleds range: the 3 Port 2. 1 Fancy Sync Box paired with a set of Synced Fancyleds, both using RGBW lighting for the most accurate color and cleaner whites. 3 Port 2. 1 Fancy Sync Box: Three HDMI 2. 1 inputs, so you can leave several devices plugged in at once. Supports up to 4K 144Hz or 8K 60Hz with true HDR syncing, VRR, ALLM, and HDR and Dolby Vision preserved, driving a 96 LED per meter RGBW strip behind