Archived from groups: alt.comp.hardware.pc-homebuilt (
More info?)
"Dave C." <mdupre@sff.net> wrote:
>
>"john" <johnjohn9191@hotmail.com> wrote in message
>news:cikbrb$nkt1@imsp212.netvigator.com...
>>I want to buy a DVD burner. Is it a good idea to buy a USB 2.0 burner drive
>>?
>> As I have a desktop and notebook around, I want to share the drive among
>> PCs. Is there any known problem on external DVD burner ? Will burning
>> speed be lower ?
>>
>
>DVD burners are over 9GB in capacity now. Do you REALLY want to transfer
>9GB over a USB connection, even if it's USB 2? I think you'd be lucky (damn
>lucky) to get 1X speed out of that. So you are looking at 4 hours or so per
>burn. Yikes.
>
>Wouldn't it be better to network the computers together? Decent routers can
>be found for as little as FREE after rebate now. Yes, that means you will
>have to hook up a cable to transfer files from the laptop to the desktop so
>you can burn them to CDR or whatever. But with an external burner, you'd be
>stringing cable anyway, and it would be a lot slower. -Dave
>
Correct me if I am wrong here but USB2 is AFAIK 480Mbits and my LAN here is
100Mbits for USB2 is faster.
http://www.everythingusb.com/usb2/faq.htm
My calculations show USB2 doing 80MB per sec so this even allowing for
overheads should be fine for DVD recording at x16 which works at a data
rate of 21.13. I am not aware of any media or burners that do anything like
this speed of burning yet
http://www.osta.org/technology/dvdqa/dvdqa4.htm
In short to the OP yes USB2 or Firewire is fine for a DVD Burner. THe only
problem is the greater expense of an external burner.
Hope this helps
Andy
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