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A comment on USB3: Why it's a bit harder than USB2. Parent comment

Re:USB3: Why it's a bit harder than USB2 by seiferteric on Wednesday October 07, 2020 @12:10PM (#24709633)
Way back when, I thought I remembered that usb3 or thunderbolt was going to be an optical interface, but I guess that was too tough in practice. Would have been nice though to avoid EM interference issues.
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Re:USB3: Why it's a bit harder than USB2 by ncrmro on Wednesday October 07, 2020 @09:19PM (#24714681)
I think it was Corning who put out a 200m thunderbolt 2 fiber cable
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Re:USB3: Why it's a bit harder than USB2 by oyashirochama on Wednesday October 07, 2020 @11:54PM (#24715585)
They exist but are fairly expensive and are passive.
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