A write circuit of a storage device, in a first mode, writes a plurality of first pixel data units, each of the first pixel data units being constituted by data for pixels that are on the same data line and on different scan lines in a display panel, into a plurality of memory cells connected to a selected word line, and in a second mode, writes a plurality of second pixel data units, each of the second pixel data units being constituted by data for pixels that are on the same scan line and on different data lines in the display panel, into a plurality of memory cells connected to a selected word line.