Gwen has a laptop that she brought with her on the road during the summer. She often uses it to figure out information about the villains that they face, at least the ones that are human. She also keeps a journal on it. Ben has merged with it multiple times as Upgrade.

As seen in "Hunted" the computer has an IntelliMap program, that gives information about places.

The XT9000 is Gwen's Laptop Computer seen in the Ben 10 Episode "Ready To Rumble". Gwen's XT9000 has a fingerprint scanning device. In "Ben 10 vs. The Negative 10," Gwen mentions her laptop gets its Internet access via satellite uplink.