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Here's a lesson in actual vs. theoretical. Sony Optiarc America has announced the new BDX-S500U external USB 2.0 Blu-ray drive capable of burning single-layer BD-R discs at smoking speeds of 6x or dual-layer discs at up to 4x. If you do the math, those specs imply transfer speeds of 27Mbps for single-sided 25GB discs and total burn times of roughly 20 minutes. That's great news for folks with PCs looking to use the high-storage medium or watch 3D Blu-rays -- except for one tiny hitch. See, U... SB 2.0's theoretical maximum transfer speed is 60MBps, but in the real world most are lucky to get even half that rate. According to tests by Techworld, those with certain USB 3.0 chipsets can even experience USB 2.0 rates as low as 11MBps. In that light, the BDX-S500U's impressive speeds -- just like Paul Walker -- may be too fast and too furious for its computer counterparts to keep up, making it a different kind of bag of hurt for buyers. While no official pricing has been offered the drive will go on sale later this month and online retailers are already listing prices in the range of $214 to $240. For full specs and details, check out the PR after the break.

Continue reading Sony's blazing fast BDX-S500U Blu-ray drive tests USB 2.0's true transfer chops

Sony's blazing fast BDX-S500U Blu-ray drive tests USB 2.0's true transfer chops originally appeared on Engadget on Thu, 23 Sep 2010 15:06:00 EDT. Please see our terms for use of feeds.

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