CD Re-Writable (CD-RW) discs store up to 700MB of data or 80 minutes of CD-quality audio on a single disc. Verbatim CD-RW discs utilize a super-eutectic phase-change recording layer, which ensures durability and readability at higher rewrite speeds. The CD-RW disc differs from a standard CD-R disc in that it allows for data and media files to be re-written to the disc up to 1,000 times, while CD-R discs allow only for write-once functionality.