The latest ThinkPad X1 Carbon (starts at $1,349; $1,629 as tested) is the thinnest and lightest one yet. Lenovo's flagship business ultraportable weighs less than 2.5 pounds, yet has the processing muscle to power through presentations, spreadsheets, and a lot more.

Almost 16 hours of battery life; Weighs less than 2.5 pounds; Bright, clear display; USB-C with Thunderbolt 3 support; Anti-Fry cable protection

Ethernet requires a dongle; Omits OneLink+ dock compatibility; No touch screen option

Except for its steep price, the fifth edition of Lenovo's deluxe 14-inch ultrabook is simply flawless.

Excellence in every detail; Great battery life; Two Thunderbolt 3/USB-C ports

Expensive; High-res display not available until June

After reading some of the negative quality reviews on here I was a bit hesitant, but I have been using Thinkpads for 11 years now and never had an issue. In fact, my X60 from 2006 still works, as does my X220 from 2011.

Lenovo's Thinkpad X1 Carbon is the ThinkPad Ultrabook we've been waiting for from Lenovo.

The Lenovo Thinkpad X1 Carbon has a brilliant keyboard, performs well and good battery life. The security features are impressive as well and all this makes it the best business class ultrabook to buy today.

8-9 hours of battery life; well built and lightweight; brilliant keyboard

larger footprint compared to other ultrabooks; Steep pricing

The ThinkPad Carbon X1 is an impressive notebook from Lenovo that offers fast battery charging, a keyboard that changes based on what you are doing and is power

Finding the absolute best productivity laptop has always been a personal mission of mine, and Lenovo's latest iteration of the ThinkPad X1 Carbon came really, really close to ending my search.

The Lenovo ThinkPad X1 Carbon (4th Gen.) is a capable business laptop with a premium ultrabook design that melds portability with rock-solid performance.

The laptop's thin and light design is extremely portable; without sacrificing any capabilities

It's missing some ports like Ethernet and a full-size SD card slot

Memory module died after 1 year. It's soldered to motherboard and ssd is a weird format so really hard to get my data back. Not recommended...

Great laptop from Lenovo, nice to see the hdmi get added this year. Cons: No thunderbolt/USB C Quality laptop with a premium feel, bit pricey but its worth every penny.