Micro-Star International (MSI) has announced three new notebooks – VR440, GX720 and GX400, all featuring MSI’s exclusive ECO Engine, a power management function to extend the battery life when performing different tasks.

The VR440 adopts Intel Pentium processors with a 14.1-inch LCD panel. The GX720 features a 17-inch LCD display and is equipped with the Nvidia GeForce 9600M GT GPU. The GX400 also features a similar specification as the GX720, but the webcam is 1.3-megapixel and it has a smaller 14.1-inch display.