The Toshiba PC-X40 is a personal computer released by Toshiba in the 1990s. It runs on the MS-DOS operating system and features an Intel 80C286 CPU clocked at 16 MHz, 512 KB to 2 MB of RAM, and a 3.5-inch floppy drive as the primary storage medium. It also includes a variety of ports such as parallel, serial, and game ports, as well as a keyboard and a monitor. The PC-X40 was marketed as a compact, affordable alternative to higher-end PC models, making it a popular choice for home and small office users in the mid-1990s.