You get a maximum capacity of 1TB which is large enough to fit your files, documents, media, and more. The SN580's 2280 M.2 size fits into most motherboards and operates on the PCIe 4.0 x4 interface, giving you read and write speeds up to 4150 and 4150 MB/s, respectively. You get long-lasting performance thanks to the 600TBW endurance and 1.5-million hour MTFB