Improve almost every aspect of your computer's performance with the Samsung MZ-75E500B/AM 850EVO 500GB 2.5" SATA3 Internal Solid State Drive. This internal 500GB solid state drive features 3D V-NAND technology, which stacks 32 layers vertically, which results in higher density and better performance utilizing a smaller footprint. You can also achieve incredibly fast read and write speeds with this solid state drive, since it offers sequential read speeds of up to 540MB/s, and sequential write speeds of up to 520MB/s. This solid state drive also offers enhanced RAPID mode, which utilizes unused PC memory as a high-speed cache.