It’s official: Surface Go is Microsoft’s new affordable Surface tablet PC, and it goes on sale next month.

“Surface Go is our smallest, lightest, and most affordable Surface yet,” Surface Chief Product Officer Panos Panay writes. “When we designed this device, we had to ask ourselves what people want and need from a 10-inch Surface. The answers seem obvious – lightweight, productive, and accessible to more people. I’m pumped to introduce you to Surface Go, because it’s all those things, and so much more.”

Weighing in at just over 1 pound—or about 1.5 pounds with a Type Cover—the Surface Go visually resembles the new Surface Pro, but is smaller, lighter, thinner, and much less expenses: Pricing starts at just $399, but most customers will want a Type Cover (at a cost of $99 to $129). And I strongly recommend upgrading to a more powerful configuration (see below) that costs about $549.

Regardless, what you will get is fairly impressive for the money: Surface Go is powered by a Pentium processor and is fanless and thus silent. It can be outfitted with 4 GB of RAM and 64 GB of eMMC storage for $499, or you can choose a more capable version with a faster Pentium processor, 8 GB of RAM, and 128 GB of fast SSD storage for just $549. Each includes a 10-inch 3:2 display.

As with Surface Pro, a Type Cover and a Surface Pen will cost extra. Microsoft is offering both a standard Type Cover, for $99, and three different Signature Type Covers, in Alcantara and your choice of Platinum, Burgundy, or Cobalt Blue for $129. Surface Pen remains at $99, and Microsoft is also selling a new Surface Mobile Mouse, again in Platinum, Burgundy, or Cobalt Blue, for $35.

The initial Surface Go models are Wi-Fi only, but Microsoft is planning an LTE model for “later this year.” An upgrade to 256 GB of SSD storage will also be made available as an order-time option at some point.

Surface Go is available for pre-order starting tomorrow, July 9, in the U.S., Canada, Australia, New Zealand, Hong Kong, UK, Ireland, France, Germany, Austria, Belgium, Luxembourg, Netherlands, Switzerland, Denmark, Finland, Norway, Sweden, Poland, Taiwan, Italy, Portugal, Spain, Malaysia, and Thailand. It will be available for purchase in those countries starting on August 2.

Those in Japan can pre-order Surface Go beginning on July 11, in Singapore and Korea on August 2, and in China on August 8. Then, Surface Go will be made available for pre-order in Qatar, Saudi Arabia, UAE, Oman, Kuwait, and Bahrain on September 12, and in India on October 2.

More soon.