Mind you, they both offer the same 20x (DVD) and 48x (CD) writing speeds once hooked up by a Serial ATA interface. And like its peer, this unit also hosts SMART-BURN technology, engineered to automatically adjust the writing strategy (as well as the running OPC) to deliver a more precise and error-free writing job. Other notable aspects include SMART-X engineering & an ABS System. The most notable limitation of the unit, however, is its lack of LightScribe disc-labeling technology.