CAXA Series CAXA3702T0 Hard Drive delivers reliable storage expansion and the incredible 3.0Gbps transfer speed of eSATA, all in one sleek aluminum package. The transfer speed, at six times faster than USB 2.0, will blow you away. The external hard drive solid aluminum enclosure boasts exceptional heat dissipation for near-silent, fan-less operation. The CAXA is remarkably durable, offering state-of-the art shock absorption and superior all-around performance, and its stackable design gives you a streamlined, uncluttered workplace.