AOpen DUW1608/ARR 16x DVD+/- R/RW Review - Read Tests
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Single Layer Pressed DVD
Read speed of a single layer DVD was very good, peaking at just over 11X. CPU usage seemed a little high, certainly higher than other drives I've used. Seek times were also higher than I would have liked to see. Burst rate was impressive at 35 MB/s, nearly twice that of my old LiteOn LDW-851S.
Double Layer Pressed DVD
This is the strangest transfer rate graph I've ever seen. Typically, for double layer read speed, this graph would look more like a pyramid. It appears that the DUW1608/ARR drops to about 1.5X just after crossing into the second layer. Obviously this is not one of the better transfer rate performance with double layer media. The peak speed of 8.79X is good but because of the drop on the layer change overall performance is degraded. Also, CPU usage was at 91% at only 4X. Seek times are almost double that of other drives. The one bright spot here was the burst rate was as good as the single layer.
Single Layer Burnt DVD+R
The DUW1608/ARR does rather well reading burnt DVD+R's. The transfer goes just over 11X and the burst rate is again at 35MB/s. There is also a familiar theme. The CPU usage and the seek times are again high.
Audio CD
This drive looks like it would be a very good CD ripper. Transfer rate peaks just under 48X, burst rate is 27MB/s and it has DAE quality score of 10. Seek times are only slightly slower than some of the high end optical drives and CPU usage is below what is typically seen.
Next: Conclusion >>
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