The Kingston A400 (SA400S37/480G) is a 2.5-inch internal solid state drive designed to breathe new life into older laptops or desktop computers. By utilizing 3D TLC flash memory and a SATA III interface, it offers sequential read speeds up to 500 MB/s and write speeds up to 450 MB/s, which means your system will boot faster and applications will load more responsively than they would with a traditional hard drive. Measuring just 100 x 69.9 x 7 mm and weighing only 41 g, this drive fits easily into most standard drive bays. It is built around a Phison PS3111-S11-13 controller and provides 480 GB of storage, with a total endurance rating of 160 TB written. This makes it a practical choice for users who want a reliable storage upgrade for daily tasks and general computing without needing a complex installation.