This is the fourth time Lenovo has reused the same case. As always with ThinkPads, the great input devices, as well as the PowerBridge feature – which basically has not real competitors - are definite pros.

comfortable ThinkPad input devices; compact and nice to handle; flexible battery usage thanks to PowerBridge; high number of ports for a compact laptop

some weaknesses in manufacturing; device heats up under load; cooling fan runs too frequently; darker display than that of predecessor; low color space coverage; difficult maintenance; disappointing battery life

The latest incarnation of Lenovo's venerable X200 ultraportable series is a sturdy, three-pound productivity partner that's pricey, but the machine to beat in the 12.5-inch segment.

Legendary build quality; Long-lived; swappable batteries; Grade A display and keyboard

Expensive; Three pounds instead of two; USB-C but no Thunderbolt 3 port

From its extremely responsive keyboard to its accurate touchpad, long battery life and relatively colorful screen, the ThinkPad X270 has a lot going for it. But perhaps the best thing about this laptop is that it lives in the Goldilocks zone of laptop size: It's just large enough to provide an...

When it comes to hauling your business laptop back and forth to work, smaller is always better. And even though you would like a small laptop, you also need it to perform like a powerhouse. Can the Lenovo ThinkPad X270 laptop live up to these expectations?

To start, I had to return it because it had bad "coil whine", however I have not heard of this happening to other x270's so your mileage may vary. I loved it while I had it, though. It was a very nice and clean little machine. It's solid as a rock and has an amazing keyboard.

The business-class Lenovo ThinkPad X-series has long been known for its small size, strong build quality, excellent keyboard, and long battery life. The 12.5-inch ThinkPad X270 is the latest notebook in this lineup, and also the smallest.

Incredible battery life (with extended 6-cell; Swappable components; and snap-in docking support; Excellent keyboard; Beautiful 1080p display

Pricey as tested; Thicker than average

When fully outfitted like our test unit, the X270 is a reliable workhorse for business use, small enough to take with you and packed with enough security features to give you peace of mind. It's expensive as configured, though, and a bit too bulky to feel like a lightweight ultraportable.

Insane 24-hour battery life with hot swap system; Powerful processor and 16GB of RAM; Plenty of ports and useful extras; Multiple security features

Expensive as configured; Bulky for an ultraportable

Great laptop, feels very solid construction, unlike some of the other systems out there.

The ultimate 12" laptop. Light, powerful, long battery life and fast!! Finally I did something right when buying a laptop.