"Earlier this year, I reviewed Lite-On's internal BD-ROM drive, the DH-4O1S. While not the fastest or most feature packed drive to come through the 'Labs, it offered Blu-ray Disc playback at an affordable price. The DX-4O1S delivers much of the same, but this time, in a stylish, external package. Using the bundled software, this read-only drive played all of the Blu-ray movies I had on hand, including those protected by BD+. The DX-4O1S also did fairly well in our transfer rate tests, reading BD-ROM's as well as BD-R and BD-RE media at 4x."
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Source: CDRLabs
