Alza Days - Blu-ray Burners
- The campaign runs from June 1 to June 22, 2026 (“Campaign”).
- The list of products currently available in the Campaign (“Products”) can be found on this website below.
- A Product is considered purchased at a discounted price as part of the Campaign only once the order has been confirmed by Alza and the payment has been completed by the customer. Simply placing the Product in the cart does not constitute a purchase. If the Buyer selects cash-on-delivery payment, submitting the order to Alza within the Campaign period is sufficient, but the discount will only be valid upon successful payment upon delivery.
- Alza reserves the right to limit the number of Products a single buyer may purchase during the Campaign for certain items. Should such purchase limits apply, Alza's system will automatically prevent buyers from adding more Products to their cart than the permitted purchase quantity for the duration of the Campaign.
- Available stock of select Products will be allocated among consumers in the Czech Republic, Slovakia, Austria, Hungary, and other countries served by Alza.
- Discounts on Products are valid only during the Campaign period or while supplies last. Alza reserves the right to change the selection of discounted Products at any time during the Campaign.
- The general terms and conditions of the Campaign can be found here.
Alza Days - Blu-ray Burners - additional info
Blu-ray discs are the third generation of optical discs intended for the storage of digital data. Data is stored in the spiral-shaped track 0.1 mm below the surface of the disc, with a lateral stop distance of 0.35 micron. Laser light is used to read Blu-ray discs with a wavelength of 405 nm. Technology was developed by the Japanese company Sony, with other firms like Philips being involved also. The name Blue-ray is associated with the color of light used for reading the data.
As CDs, Blu-ray discs have a diameter of 12 cm, and a smaller 8 cm version with a thickness of 1.2 mm. Blu-ray discs can hold up to an incredible 25 GB on a single-layer, and 50 GB on dual-layer discs, up to 80 GB for double-sided dual-layer variants. With the recording location 0.1 mm below the surface, it is possible to produce a hybrid disc with DVD and Blu-ray recording on one side of the disc. Blu-ray reading devices for are developed with respect to compatibility with CD and DVD, ie. They can read of all three types of discs.
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