Supermicro, popular computer manufacturer, also sells network switches. As noted by the dual entries in the Trident+ table, they have both a 10 Gb/s Tw-pair model and an SFP+ model. The switches have been reviewed in an article by Chris Ramseyer posted at

Each of the switch varients is available with choice of air flow direction for a total of four models. The SFP+ version costs slightly less than the Tw-pair version.