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If new, Skywell like Xeon based nMP to be released, in the same form factor as current MP, I am not sure if I want it.

Could it be that they choose to skip skywell?
....

Xeon E5 v5 ( Skywell) isn't due until at best quite late 2016 or pretty likely early 2017. I'm not sure how Apple skips something that hasn't even been released yet.

Skipping E5 v5 means waiting until at best 2018 and decent chance 2019 to update the Mac Pro. That would be pretty "bozo the clown" product management for the Mac Pro ... even past some of the moves over the last 3-4 years


At this point the likley candidate for an updated Mac Pro is a Xeon E5 v4 (Broadwell). Current leaks place that in a Feb-March 2016 timeframe for launch and shipping systems (at least from Dell and HP ... whether Apple continues to hit the snooze button is up in the air. ) .
 
Xeon E5 v5 ( Skywell) isn't due until at best quite late 2016 or pretty likely early 2017. I'm not sure how Apple skips something that hasn't even been released yet.

Skipping E5 v5 means waiting until at best 2018 and decent chance 2019 to update the Mac Pro. That would be pretty "bozo the clown" product management for the Mac Pro ... even past some of the moves over the last 3-4 years


At this point the likley candidate for an updated Mac Pro is a Xeon E5 v4 (Broadwell). Current leaks place that in a Feb-March 2016 timeframe for launch and shipping systems (at least from Dell and HP ... whether Apple continues to hit the snooze button is up in the air. ) .

Skylake, not Skywell, Just noticed that ... lol

What about video? Are there any sings of possible implementation of system wide SLI sort of thing in El Captain?
 
I think March 2016 is a good bet. PCIe 3 and TB3 with support for 5K monitors. ATI/AMD should also be ready with new GPUs by then with HBM2 at close to 2 to 3X the current D700 performance. DDR4 is pretty much mainstream as well for servers. Samsung has new PCIe SSDs. The only thing that isn't that interesting is the Intel CPU which is only slightly faster than the Xeon E5 V2 in the current nMP.
 
Skylake, not Skywell, Just noticed that ... lol

What about video?

New GPUs? There have been several released since the D300/500/700 were released.

Are there any sings of possible implementation of system wide SLI sort of thing in El Captain?

A 3rd party proprietary back channel bus .... don't hold your breath. Apple isn't a particularly a big fan of component supplier lock-in tech in Apple products.

There is Crossfire in current Mac Pro product but it only works in Windows; not OS X. Next product update might get a "works in Windows" hook up again, but as long as it is vendor lock bus, not likely going to get mainstream OS X support for it.
 
I think March 2016 is a good bet. ... ATI/AMD should also be ready with new GPUs by then with HBM2 at close to 2 to 3X the current D700 performance.

Doubtful AMD rolls out HBM2 less than 12 months after they rolled out HBM1. Of late, when has AMD aggressively rolled out anything successfully? HBM2 in a Mac Pro would be far more likely second half 2016 than in the first. Similar with Nvidia's HBM2 GPU... alot of fanboys want it to appear in the Q1. That doesn't mean it going to come in Q1. Both vendors are extremely likely to plow available HBM2 implementations into the Windows market before allocating to the embedded Mac Pro market. Additionally, Apple is highly unlikely to throw gobs of cash at either to shift the balance. Apple is going to take binned parts which fit the narrower thermal profile the Mac Pro is going to require. That puts them off the bleeding edge GPU release timing (post initial supply/demand mismatch of the initial demand surge).


Mac Pro could pick up HBM2 with E5 v5 in 2017 relatively easily. Mac Pro more so needs a string of "base hits" to get back on track. Not this swing for the fences releases every 3 years. That strategy over time they will loose the core customer base if repetitively disappear down a rabbit hole for long stretches over time. No roadmaps, no info , no commitment. It isn't hard for sales force from competitors to beat them with that over the long term. Apple doesn't have to shift to detailed future roadmaps but they have to actually do something. Doing nothing is a problem.
 
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