LaCie d2 Professional desktop drive The essential addition to SSD-based laptops and all-in-one computers with limited storage capacity, the latest d2 USB-C desktop drive massively expands capacity for professional bandwidthintensive = creative applications. The LaCie® d2 Professional performs perfectly on Macs and PCs alike and also features Seagate BarraCuda Pro enterprise-class hard drives for industry-leading performance and reliability.