The IdeaPad S12 is a line of consumer-oriented netbook computers designed by Lenovo.

They support 802.11 b/g wireless networking and come with three USB ports, an ExpressCard/34 expansion slot, a 4-in-1 media reader, VGA and HDMI outputs and an ethernet port.

[4][5][6] The S12 is one of the first netbooks to support nVidia's ION platform for mobile HD video playback.

[8] It features a 12.1" 1280×800 WXGA display with a 160GB hard disk drive, which can be upgraded by removing the keyboard and 1GB DDR2 SDRAM, which is easily upgraded via a user access panel on the bottom of the netbook.

It comes with either Windows XP Home Edition or Windows 7 Home Premium, a 160–320 GB hard drive, and 1–3 GB of RAM.