It's selling an 11.6-inch Asus touch-screen laptop for $199.
The PC is called the Asus X200-MA and it runs the latest Intel processor, and the full-featured version of Windows 8. Here's the full specifications.
You can get it online at the Microsoft Store or at Microsoft's retail locations in the US, Puerto Rico, and Canada, starting at midnight PT. The sale ends at midnight PT on May 7, or until quantities run out.
Best Buy normally sells this PC for $279.
Microsoft is clearly trying to make you think twice about a Google Chromebook with this device.