Overview:ESATA Express Card Up to 3.0 Gbps New Generation Express Interface Notebook Adapter Card Bus Card Operation is subject to the following two conditions: This device may not cause harmful interference, & this device must accept any interference that may cause undesired operation. Brand new, high quality Note: A random color will be dispatched if this product color becomes out of stock. Specification: (e)SATA Raid Card:32bit Card Bus compatible interface. Offer two high-speed (e) SATA port connections to your notebook, to allow two (e)SATA devices that operate & transfer date at same time. Supports the over 137G capacity hard disk connection. There is perfect technology, it allows to insert & remove (e)SATA port device without close system The data transfer rate up to 3 Gbps Size Approx:7.5 x 3.8 x 0.5 cm Weight