Acer has just unveiled its Aspire Timeline Ultra M5 Series of ultrabooks, set to hit shelves at the end of the month, PC Magazine reports.

The newest addition to Acer's Timeline series has slimmed down, weighing in at 4.3 pounds and just 0.81 inches thick, offering what Acer called the best of both worlds: "A slim, lightweight design, larger displays, all-day battery life, and powerful Intel and Nvidia technologies," the company said.

In line with the modern ultrabook designs, the ultra-thin M5 Series offers the minimalist aluminum-alloy look, while providing up to eight hours of use on a single charge, based on testing with the wireless turned on.

Customers can opt for a 14- or 15.6-inch, widescreen, 1,366-by-768 display, as well as a 1.5-GHz, second-generation Intel Core i3 or 2.6-GHz, third-generation Intel Core i5 processor. The 14-inch i3 device includes 6GB of memory and Intel HD graphics, while the Core i5 ultrabooks boast either 4GB or 6GB of memory and Nvidia GeForce graphics.

The Timeline Ultra comes equipped with Acer's "Green Instant On" and "Always Connect" technologies, which provide a faster boot up and instant restoration of websites, emails, or documents once starting the computer. It also carries the ability to connect to the Web in less than three seconds, Acer said.

M5 Series ultrabooks also come with backlit keyboards, Dolby Home Theater speakers, a built-in optical drive, and library-managing Acer clear.fi technology. With a service subscription, users can rely on Intel Anti-Theft Technology that allows remote disabling of a lost or stolen ultrabook, rendering the computer useless to thieves.

Prices range from about $680 to $830, according to Acer. The computers will be available on Acer's website, as well as retailers across the country, by the end of June.