Native 4K (2160p) with an aspect ratio of 2.39:1.
The "Ita Eng" in your query refers to the inclusion of both Italian and English audio and subtitles, typical of European releases like the one from Eagle Pictures in Italy . Reservoir Dogs (1992) 4K UHD Blu-ray Review! Reservoir.Dogs.1992.4K.HDR.2160p.WEBDL Ita Eng ...
Primary English track in Dolby TrueHD 5.1 . This track is noted for its clarity in dialogue—the film's central element—while providing subtle surround effects for ambient noises and the iconic 70s soundtrack. Native 4K (2160p) with an aspect ratio of 2