The kill took 40:54 minutes (5 min faster than the Alliance kill!) and comprised of a Warrior (notably not using Thunderfury, Blessed Blade of the Windseeker), Hunter, and Shaman. The earlier Alliance kill used a Warrior, Hunter, and Paladin. While the Horde Twitch Clip did not provide any info on the consumables used, you can get a sense of the preparation required on the Alliance kill thread.
Kill info on Warcraft Logs