The 4TB 2.5in SATA III Internal SSD 3D NAND for Laptop/Desktop is a high-capacity solid-state drive designed for use in both laptops and desktop PCs. With a sleek black design and a form factor of 2.5 inches, this SSD offers fast read and write speeds of up to 545MB/s and 530MB/s respectively. It features 3D NAND technology for enhanced performance and durability, and comes with a manufacturer warranty of 3 years. With a storage capacity of 4TB and an interface of SATA III, this SSD from the 870 QVO product line is an excellent choice for those in need of reliable and high-performance storage solutions.Open box Fully Tested ( see pics )