Just got a quick question regarding using an extension cable for the pimax 5k+.
My computer is in a different room about 5m away from the room I use my vive (and soon to be Pimax) in. By the looks of the cable that come with the Pimax headsets, I am going to need a male to female displayport extension cable. I was just wondering what version of displayport I am going to need? There is a cable on amazon that is displayport 1.2, will that be good enough?
Get an 1.4 with HBR3 if you find it, it has 5K support up to 120Hz, keep in mind that the longer the cable you’re going to use, the more the signal has chance to incur in electrical dispersion, so don’t choose cheap cables if you need 5 mt or lomger.
@kw23 Well…to be honest the changes from 1.2 to 1.4 are quite something, maybe you wanted to say that the two are just backward compatible…
A DP1.2 cable may work, but there couldn’t be enough bandwidth for high refresh rates, or worse, noisy signal, and Xunshu once confirmed that the new Pimax headsets use DP 1.4 by default.
so what kind of cable do pimax send ?
And if pick the 10m extention cable its need to be active ?
i see 10m dp cable supporting 21gbits over ethernet but cost 500dollar
so a normal cheap 5m 10m cable will transfer how mutch data?
please explain
So a dp 1.2 4k/60hz cable is enough, good to know. And that answers the topic.
Edit. How much was the Pimax 10m cable again?
Edit2. How can a cable rated to 4k/60hz be enough, someone smart explain please.
can not find longer cable either that supports active or highres/high gbits
only about 2m
pimax 10m cable would be superhighend to support that high bandweight that long ?
i find 10m but only supports 10gbits
Same, I couldn’t find anything that long that supports 1.4 and all I did find was some forums posts saying it’s basically impossible over that length.
I asked Xunshu about how their 10m cable worked if this was the case and she seemed to imply any 1.2 cable would work?
This was her reply when I told her I couldn’t find a 1.4 extension cable that long -
“@RetrospectVR 1.4 backward compatible with DP1.2”
“DisplayPort cables are not classified by “version”. Although cables are commonly labeled with version numbers, with HBR2 cables advertised as “DisplayPort 1.2 cables” for example, this notation is not permitted by VESA.[36] The use of version numbers with cables can seem to imply that a DisplayPort 1.4 display requires a “DisplayPort 1.4 cable”, or that features introduced in DP 1.4 such as HDR or DSC will not function with older “DP 1.2 cables”, when in reality neither of these are true. DisplayPort cables are classified only by their bandwidth certification level (RBR, HBR, HBR2, HBR3), if they have been certified at all.”
In plain English, when you’re talking about digital cables, a cable with good build quality made during 1.2 era and for 1.2 specs, may still be easily able to handle higher bandwidth and 1.4 specs. It’s a bit hit or miss, there’s digital correction, you may not really notice if a cable is borderline, as your hardware will compensate somewhat, but if you buy a quality extension cable, you will probably be fine.
The actual bandwidth/handling of a higher quality cable and length it can go can be very high if they’re using good shielding, higher gauge wires, careful pair twisting, etc.
The Club3D looks a very good one, and just adding a female/female DP adapter could do the job…
An easy way to recognize high version number cables is to look at the cable diameter, the more thick it is, the better, 1.4 cables are often double as thick as 1.2 cables, thinner cables are the worst for signal carrier; another factor is the medium used, best cables are almost always made of pure copper, that’s why they are so pricey.
A good cable costs around 30 to 50 dollars at best.