SATA Express is part of the Serial ATA 3.2 specification that was ratified in August. The spec introduces updated connectors that support both existing SATA gear and PCIe-based SATA Express devices. Those devices can have as many as two lanes of PCIe 3.0 connectivity, delivering 16Gbps of bandwidth—a big step up from 6Gbps SATA.Source: The Tech Report
Along with a fatter pipe, SATA Express provides a choice of AHCI or NVM Express host interfaces. AHCI provides legacy compatibility, while NVMe is tuned specifically for high-performance SSDs.
Intel 9-series will not feature SATA Express
Posted on Thursday, November 14 2013 @ 11:57 CET by Thomas De Maesschalck