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I have this crap adapter from dx.com but it's buggy and doesn't work properly. Would blu-ray need usb 3 to work properly? I bought a really nice burner but upgraded to a laptop and kept the burner. It was a gift and I would like to keep it. Does what I seek exist?

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what model burner? –  Keltari Sep 16 '12 at 19:30
    
@Keltari Sony Optiarc Blu-Ray Writer, BD-5300S –  Algific Sep 16 '12 at 19:31
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2 Answers

up vote 2 down vote accepted

You do not need USB3 to connect it, but it might help for two reasons: 1) Power. 2) Data speeds.

USB3 can supply more power than USB2 (900mWatt vs 500mWatt) and that most burners use around 1200mWatt. Which means you either need:

  1. An external PSU.
  2. Or do dirty hacks with multiple USB cables
  3. Or use a relative a low power burner and a single USB3 lead.

As for data speeds. It is a SATA-1 device. The best *1 way to connect a SATA device is via SATA or eSATA.


*1: Where best is defined by me as: Lowest latency and least driver hassle.

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Thanks for the comment on power consumption. Turns out the PSU that came with the crappy adapter from dx didn't deliver enough power. When I used my debug-hot-wired-old-PSU 300w from an old computer the whole thing worked just fine. Thanks. –  Algific Sep 16 '12 at 23:33
    
Glad it helped. I did not think of it when I bought an external Apple SuperDrive for my non mac netbook. It turned out to be designed for an Mac air, whose single USB port could deliver triple normal power and did so if it recognised a specific apple device. –  Hennes Sep 16 '12 at 23:39
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All you need us a USB enclosure. More expensive isnt necessarily better. You do not need USB3, v2 will work fine. Personally, I prefer metal cases as they feel less flimsy and tend to be thinner overall.

There are SATA to USB adapters out there, similar to this, that work well. I tend to stick to name brands and make sure the positive reviews far outweigh the negative.

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If you get the adapter cable instead of an enclosure, make sure you get one with a good 12V power supply. Most 5 inch drives require quite a lot of power from 12V to drive the motor and you can't get it from USB. –  billc.cn Sep 16 '12 at 20:28
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