Probe assembly includes an ultrasound probe and a cable assembly configured to communicatively couple the ultrasound probe to a control system and transmit signals therethrough. The cable assembly includes a cable jacket surrounding a channel of the cable assembly. The cable assembly also includes a plurality of wire pairs extending through the channel. The channel being sized and shaped to permit the wire pairs to move relative to one another within the channel when the probe assembly is moved. The wire pairs and the channel are configured to have a designated pack ratio (AreaWPS/AreaC). The AreaWPS includes a collective cross-sectional area of the wire pairs, and the AreaC is equal to a cross-sectional area of the channel.