Lenovo expands its ThinkPad Ultrabook lineup with the new X1 Carbon, which is the lightest 14-inch Ultrabook in the industry. By using carbon fiber rollcage, the X1 Carbon is a durable Ultrabook weighing less than 3 pounds. Instead of a 13-inch screen on the X1, the new Carbon laptop gets a bigger 14-inch 1600×900 LCD display with 300 nits of brightness.

HP introduces its new ENVY Spectre XT super-slim Ultrabook with an all-metal design, which is built on the success of the ENVY Spectre. Crafted for mobility, HP’s premium Ultrabook measures 14.5mm thin and weighs 3.07 pounds. It is powered by Intel’s latest 3rd generation (Ivy Bridge) Core processor and will be equipped with 128GB or 256GB mSATA for enhanced performance. The slim laptop includes HP CoolSense technology that automatically adjusts performance and internal fan settings for a noticeably cooler PC.

Acer announced its new Aspire Timeline M3 Ultrabook series equipped with NVIDIA’s Kepler GPU. At just 20mm thin, the M3 is the first 15-inch 2-spindle Ultrabook, featuring …

Gigabyte announced at the CeBit 2012 two new Ultrabooks powered by Intel’s 3rd generation Ivy Bridge Core i5/i7 processors. The U2442N packs standard voltage 3rd gen Core i5/i7 processor while the U2442V will have ULV version.  Both of them sport a 14-inch 1600×900 LED-backlit LCD display and are equipped with GeForce GT 640M graphics card with 2GB video RAM.

Lenovo launches its new IdeaPad U300e Ultrabook with a more affordable price tag. The new ultraportable laptop is powered by Intel’s Core i5-2467M Sandy Bridge 1.6GHz processor with 4GB of DDR3 RAM and integrated Intel HD Graphics 3000. The U300e weighs less than 1.32kg/3lbs and is just 14mm thick and features minimalist deisgn with full aluminum shell.

Dell announced at the CES 2012 its all-new XPS 13 Ultrabook, a 13.3-inch ultra slim laptop with an edge-to-edge, display. Thanks to the near-frameless display and slim bezel, Dell packs a 13.3-inch screen in similar size of an 11-inch product. The super-thin notebook measures less than a quarter-inch at its thinnest point, and weighs just 1.36kg. It features a precision machined aluminum lid and a carbon fiber composite base

Lenovo introduces its first business ultrabook, the ThinkPad T430u that “equips business users with the same thin and light designs found in consumer ultrabooks without sacrificing business-class performance”. Powered by choices of Intel Core processors, and integrated Intel or NVIDIA graphics. It comes with either up to 1TB of hard drive or SSD storage. There is a 14-inch 1366×768 display.

HP announced the Folio 13, its first business Ultrabook with a thin and light design. According to HP, the new laptop offers up to 9 hours of battery life, the highest performance available among Ultrabook devices currently on the market. The 13.3-inch Ultrabook measures just 18mm thin and weighs only 3.3 pounds.

Toshiba announced the Portege Z830 series, its first Ultrabook powered by 2nd gen Intel Core processors. The new Ultrabook is just 0.63-inch (15.9mm) thick and weighs less than 2.5 pounds, making it about 20 percent lighter and 40 percent thinner than the ultraportable Portégé R830 Series. It has magnesium alloy chassis with honeycomb structure for rigidity.