 Traditional interfaces (e.g., SATA and SAS) and standard HDD form factors allow such SSDs to be used as drop-in replacements for HDDs in computers and other devices.Newer form factors such as mSATA, M.2, U.2, NF1, XFMEXPRESS and EDSFF (formerly known as Ruler SSD) and higher speed interfaces such as NVMe over PCI Express can further increase performance over HDD performance.An early—if not the first—semiconductor storage device compatible with a hard drive interface (e.g.