Seagate's premium storage brand, LaCie, has been introducing a wide variety of Thunderbolt 2 products since late last year. Today, we are seeing the launch of a hybrid direct-attached storage (DAS) unit with both USB 3.0 and Thunderbolt 2 connections in the d2 Thunderbolt 2. The differentiating aspect is the availability of a full-speed PCIe SSD add-on which adds another storage module at the expense of the USB 3.0 port. We took the unit for a spin using our Windows-based Thunderbolt 2 setup. Read on to see how the unit performs.