The vessel is of steel construction with teak decks. The yacht's overall length is 121.83m (399.7feet),[2] and her length at waterline is . Her beam is and a draft of . The yacht is measured at . Alexander is powered by two MAN diesel engines each creating 4025hp. The vessel can reach a maximum speed of 18kn and has a cruising speed of 15– and a maximum range of 4722nmi. The vessel has a crew of 60.[2]
Alexander accommodates her guests in 39 staterooms, 18 of which are double rooms, 7 twin, and one master. The yacht also has a suite for the yacht-owner, which consists of a living room, a bedroom, and a spacious bathroom. The yacht has a meeting hall, a conference hall, a private cinema, a large living room, and a small restaurant. There are two outside bars and two jacuzzis. The yacht has a helicopter pad.