By the end of May, PLDS (Philips and Lite-On Digital Solutions) will have the new DH-4B1S 4x Blu-ray writer out on the European market. This new BD writer is the successor of the LH-2B1S, one of the first Blu-ray drives on the market. The new DH-4B1S offers twice the speed at a more consistent rate than the previous model from the company.

The internal Lite-On DHX-4B1S burns data to Blu-ray discs at 4x speeds using the inbuilt “Constant Linear Velocity” (CLV) technology which allows data to be transferred at a consistent 4X rate throughout the burning process. PLDS says this is a speedy alternative to some other drives on the market that may claim 6X burning but use “Constant Angular Velocity” (CAV) - a strategy that starts data transfer at a slower rate and gradually builds to its top speed only at the end of the session, so in reality the average speed is much lower than 6X.

“If you use only 75-80% of the disc capacity, a 4X CLV writing strategy will be a quicker solution then a 6X CAV strategy”, says marketing manager Jelmer Veldman. “We see a growing market acceptance for Blu-ray as the format of choice for High Definition content playback and for high volume archiving. With this 4X BD writer Lite-On delivers a faster solution for burning data to Blu-ray Discs.”

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PBD-RE media can be written at 2X and the DH-4B1S reads BD-ROM discs at 4X. Furthermore, the drive can burn DVD±R at 12 and DVD±R DL at 8X.The maximum speed for writing DVD+RW is 8X, DVD-RW at 6X, CD-R (reading and writing) at 40X and CD-RW at 24X. However, this drive doesn’t support dual layer BD-R/RE discs.

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