DVD-RW drives record video, audio, programs, and other data onto rewritable DVDs. They usually come with an authoring software, which allows users to edit and add special features such as subtitles, dubbing, chapter selection, and commentaries. Most DVD-RW drives are backward-compatible, which means that they record on older disc formats as well.
Internal DVD-RW drives are installed in one of the computer's drive bays at the front end of the CPU. They are generally faster and more reliable than external drives. They take up room inside the CPU and may cause damage to nearby components when they heat up during operation.
External DVD-RW drives
External DVD-RW drives connect to the computer via USB or FireWire connections. They are easier to install and boot than internal drives. They are commonly used with laptops or other portable computers, which have no drive bays for accommodating internal drives.
Speed: Choose a high-speed DVD-RW drive that you can also set to record at lower speeds. This will allow you to work with media types that require different speeds, such as audio, video, and plain data. High-speed drives also accept DVD-audio and DVD-video formats.
Playback speed: Choose a DVD-RW drive with a good playback speed if you frequently record videos. This will allow you to view your file immediately after recording instead of transferring the disc to another drive for playback.
Power source: If you are buying an external drive, look for one that can run on the computer's power supply when connected. This will protect its internal batteries from getting damaged by the heat and provide a backup in case the batteries run out in the middle of a recording.
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