The PX-891SAF 24X internal DVD/CD Super Multi Writer is Plextor's newly improved half-height DVD Writer. The PX-891SAF reads and writes DVD/CD at blazing fast speed of 24X. The PX-891SAF had passed stringent testing procedure to ensure better compatibility of different media brands available today. It also incorporates new improved chassis design to tremendously reduce noise and greatly improve writing quality. At 24X speed, air flow can cause bothersome acoustic noise. Plextor's unique drive design regulates the air flows, reduces the amount of noise created, and enhances writing and reading quality.