Microsoft annual Pi Day sale is here, and it's packed with great deals on Windows PCs and other devices — nearly 70 of them, in fact.

In honor of the venerable number 3.141592653589793238 … ahem, 3.14, or "Pi," Microsoft is reducing the cost of 69 different PCs by, you guessed it, up to 31.4 percent. This brings some of our favorite computers down to the lowest prices we've seen in a while, so you'll definitely want to check them out.

Microsoft has a few PCs avaialble for just $314, but odds are these will sell out rather quickly. Some of the other deals include:

Many of these deals will only be available for today, Pi Day, so now's the time to act if you're in the market for a new PC and don't want to pay for full price. You can see the full list of PCs that are discounted as part of Microsoft's Pi Day sale on the company site.

Shop Microsoft's Pi Day PC Sale

Windows Mixed Reality (WMR) headsets are also on sale, some starting at just $314, including Lenovo's Explorer headset and HP's WMR headset.

Shop Microsoft's Pi Day Mixed Reality Headsets Sale

Microsoft has a variety of other discounts as well, including some Xbox accessories, PC accessories, and more. Be sure to check them all out before the day ends.