A matrix data slice was a Gallifreyan hard drive, a portion of the Matrix supercomputer.
Missy used a matrix data slice to house the Nethersphere, a virtual reality, into which she uploaded the minds of recently deceased humans for later downloading into Cyberman bodies. (TV: Dark Water)
Ad blocker interference detected!
Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.