Buffalo's new glacial lump of a HDD looks set to offer data speeds that are anything but. The HD-PATU3 is Buffalo's first HDD to share its storage goodness across USB 3.0 and Thunderbolt -- and it's compatible with both PCs and Macs. The external hard drive forgoes the need for any separate power supply and is set to arrive in both 500GB and 1TB iterations, but the company's Japanese arm isn't revealing any detail yet on precisely how much we can expect the duo to set us back.