A Blu-ray burner is a device that records data on Blu-ray discs. Blu-ray burners can be used to create Blu-ray discs from files stored on a computer, or to create a disc backup of data from a computer.

Blu-ray burners use a blue-violet laser to record data on Blu-ray discs. The laser is narrower than the lasers used to record data on other types of optical discs, such as DVDs and CDs. This allows for more data to be stored on a Blu-ray disc.

Blu-ray discs can store up to 25 gigabytes of data, compared to 4.7 gigabytes for a …