The HP 660LX was a palmtop computer manufactured by Hewlett-Packard, released in 1996. It was a member of the HP Palmtop PC family, running the Microsoft Windows CE 1.0 operating system.
The device featured a clamshell design, with a color LCD screen and a QWERTY keyboard. It was powered by an Intel StrongARM SA-1100 processor, which offered relatively high performance for its time. It came equipped with built-in applications such as a calendar, contacts, email, and a basic word processor.
The HP 660LX was known for its relatively large screen size for a palmtop device, its comfortable keyboard, and its compatibility with various PC Card (PCMCIA) peripherals, allowing users to expand its storage and connectivity options. Its successor was the HP 680LX.