it works best as a laptop replacement when paired with a detachable keyboard cover like the Samsung Book Cover Keyboard, and that accessory costs an extra $200 on top of the Tab S10 Ultra's hefty ...

The R11 tablet, made by Fremont, Calif.-based GammaTech, recently was upgraded to serve as a 2-in-1 with the addition of a detachable keyboard—which, naturally, is pretty heavy-duty itself.

The best keyboard case for the Galaxy Tab S9 Ultra happens to be the official one from Samsung. It's on the expensive side, but it adds a full-size QWERTY keyboard without adding too much thickness.