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best DVI cable connection

410 Views 4 Replies 3 Participants Last post by Ratman, Mar 24, 2015

Christy19

Discussion Starter · Mar 13, 2015

I need a 30-foot "mini-Displayport" to "DVI-d" cable. Since they don't make 30 foot cables, I need to string 2 cables together, for example, a 15-foot cable and another 15-foot cable. Or, a 25-foot cable and a 5 foot cable.

I just realized that where the 2 cables "meet up" in the middle, that could be ANY connector. In fact, an "Infinite" number of combinations. For example:
mini-Displayport ----> hdmi --------- hdmi DVI-d --------- DVI-d mini-Displayport --------- mini-Displayport

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Ratman

· #2 · Mar 13, 2015

How about one of these:
http://www.amazon.com/gp/product/B00DRK716G?gclid=CLCDuoSqpcQCFUQ8gQods2wA6Q

and one of these?

http://www.amazon.com/StarTech-com-DVIDDMM30-30-Feet-DVI-D-Cable/dp/B000RHDWOM

Or this:
https://www.google.com/search?q=min...5.8192j0j4&sourceid=chrome&es_sm=122&ie=UTF-8

and this:
http://www.amazon.com/BuyCheapCables®-30ft-HDMI-DVI-D-Cable/dp/B00572H7ZW

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mdavej

· #3 · Mar 14, 2015

Some more food for thought on the Frankenstein cable approach. Max length spec of DisplayPort is about 15m, DVI is about 5m, and HDMI is somewhere in between, but depends on gauge, bends, etc. as well. So it makes sense to use DisplayPort for most of the run. I've used 35' HDMI without issue, but there are a lot of variables to consider.

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Christy19

Discussion Starter · #4 · Mar 24, 2015

Ratman (hehe funny name

), I LOVED the simplicity of your first choice:
From:
tiny 6-inch MiniDisplayPort-to-DVI adapter
To:
big long 30 foot DVI dual link Male-to-Female extension

-BUT-

...then I read mDavej's response that DVI gets crappy after 15 feet (wow, I didn't know that!).

So, based on the comment "Mini Displayport for MOST of the run," here is what I found:
From: 25-foot MiniDisplayPort to DVI Male

To: 6-foot DVI female-to-male DVI dual link Extension

That is days and days of research on my part. PLEASE feel free to tell me if my idea sucks.

My mom is coming to visit in about a week and I HAVE to have this thingamajig all set up for her...... stressful...

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Ratman

· #5 · Mar 24, 2015

Just like "Mr. Mom" said:

"200, 221... whatever it takes!".

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