This Grade A Samsung PM851 mSATA 128GB SSD is a high-performance internal SSD designed for laptops & desktop It utilizes the mSATA interface SATA lll 6 gb/s and is backwards compatible with SATA II for efficient data transfer and offers a storage capacity of 128GB, providing ample space for storing a variety of digital files and media. The included 2.5" (7mm) caddy allows for easy installation and compatibility with different laptop or desktop models, making it a versatile and reliable storage solution for enhancing the speed and efficiency of your computer's performance.Desktop ready:Plugs directly into any standard SATA data and Power Cable.Fits any in any 2.5" or 3.5" bay.Laptop Compatible: Fits into any Laptop equipped with a standard 2.5" SATA hard drive bay.This is a SATA -Based unit.It is a perfect high-speed replacement for older mechanical hard drives.