SIIG's SATA 6Gb/s 3i+1 SSD Hybrid PCIe adds 3 internal SATA 6Gb/s channels and 1 SATA SSD socket to your PCIe-equipped system. It is embedded with the fully-automated HyperDuo technology to enable SSD performance at 1/3 of the cost to work flawlessly with the leading 6Gb/s HDDs. This cost-effective SATA host controller significantly enhances system performance by the capability of SSD acceleration to reduce system boot-up time and allows data to be stored on the high capacity of HDD data storage for cost saving.