* Question
What is a Blu-ray drive?
* Answer
A Blu-ray drive is an optical disc reader designed to access data stored on Blu-ray discs, a high-capacity storage format developed for high-definition video, large software packages, and archival-grade data backup. Unlike traditional CD or DVD drives, a Blu-ray drive uses a 405-nm blue-violet laser that enables much smaller data pits to be written and read on the disc surface. This higher precision allows Blu-ray media to store significantly more data—typically 25 GB per layer, with dual-layer discs reaching 50 GB or more.
In computing environments, Blu-ray drives are used for both playback and data recording. Many models support BD-R and BD-RE media, enabling users to write once or rewrite data for long-term storage. Their compatibility usually extends backward to DVDs and CDs, making them flexible for mixed-media applications. For professional or industrial use cases, Blu-ray drives serve as reliable storage solutions for large datasets, system images, or high-resolution media files where long-term physical retention is required.
Whether integrated into laptops, desktops, servers, or used as external USB devices, Blu-ray drives remain a practical option for users who need high-capacity offline storage with strong durability and broad media compatibility.
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