The 512GB 660P NVMe M.2 Internal SSD from Intel features QLC (Quad Level Cell) technology, which offers more capacity per NAND cell, enabling solid-state storage at more affordable price points. Moreover, it utilizes the PCIe NVMe 3.0 x4 interface that has a higher bandwidth when compared to SATA for sequential read and write speeds of up to 1500 MB/s and 1000 MB/s respectively. With a M.2 2280 form factor, the Intel 660P SSD is compatible with a wide variety of notebooks, desktops, and mobile devices.