Customers who ordered the 8GB Modbook Pro EnergySaver dual-channel memory kit can either upgrade to the 16GB option or switch to the 8GB default RAM configuration and have the charge for the 8GB EnergySaver RAM credited to their order.

ENGADGET: Baseline Modbook Pro gets its RAM, storage and screen sensitivity doubled, stays at $3,500

Also at no additional cost, the Modbook Pro will now have 8GB of RAM in its base configuration, doubling the previous specification.

ENGADGET: Baseline Modbook Pro gets its RAM, storage and screen sensitivity doubled, stays at $3,500

The solid- state drive (SSD) capacity and random-access memory (RAM) in the base configuration of the Modbook Pro are also being doubled.

ENGADGET: Baseline Modbook Pro gets its RAM, storage and screen sensitivity doubled, stays at $3,500

Also, the amount of RAM in the Modbook Pro's base configuration goes from 4GB to 8GB.

ENGADGET: Baseline Modbook Pro gets its RAM, storage and screen sensitivity doubled, stays at $3,500

To further simplify things, certain configuration options are the same across the board: backlit keyboards, up to 8GB of RAM and up to 500GB in HDD storage with an optional 32GB SSD to help hasten performance.

ENGADGET: Lenovo IdeaPad U310 review: a reasonably priced Ultrabook for the masses