How do I install PCIe cards internally into any of the above mentioned Macs?
Which ones do you really need? Everyone talks about needing to install a PCIe card, and how the iMac Pro or the MacBook Pro isn't powerful enough, but I don't hear anyone disclosing what cards they really
need to install. Needs, not wants. Not desires to prolong the life of their 5,1 Mac Pro doesn't have USB 3 or SATA III or an NVMe drive or a 10GbE connection.
I get it...if you have an Avid HDX card or a Fibre Channel card you probably need a Mac Pro with PCIe slots. Chances are if you really need one of those your budget for your workstation is more than $2500, at least it should be.
External PCIe enclosures exist, people use them. 90% of people don't need a computer with any PCIe slots. Apple just gave that other 10% a gigantic Swiss Army Knife. Now the bargaining begins, "I only need 3 slots, why did Apple give us 8?" "No, I only really need one slot..." For what? The answer I keep coming up with is so that people can swap in an Nvidia GPU, which isn't even supported. No 2019 Mac Pro is going to run High Sierra, so that you can put in a 1080Ti..that won't stop people from trying to do it. Why? Do you really need an Nvidia GPU? Is your workflow CUDA-based? Or do you just want to play games? Because honestly, this is what this keeps coming back to for a lot of people here. They don't like Apple telling them its AMD or bust. No one wants to admit it, because you all are
PROS, but unless you are going to BootCamp your Mac Pro to run Adobe Premiere on a CUDA GPU, what do you need NVIDIA to do that AMD cannot do? AI? Machine Learning? You don't need a Mac to do that, and you
should be buying an Nvidia GPU and a Windows box. If you do need a Mac for that, you don't need an Nvidia GPU, because you should be doing CoreML, right? Oh my...no, just a side of Apex Legends or Doom Eternal.
The second highest item (or first) wasn't NVIDIA GPUs and Apple didn't give that even a 5 second thought in the WWDC Preview. It's over...but sure, let's keep pretending that you absolutely must have PCIe slots or else your computer is useless.
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This is such a nonsense angle to approach things. People want machines with uncompromised, upgradable GPUs, and without built-in screens, that are in the same thousand dollars as is available to Windows users. How does something that simple become so difficult to understand, or so offensive to people's sensibilities?
"I want a pickup truck."
"OK, here's a Mercedes UNIMOG."
"I don't need a 10 foot high military vehicle, just a pickup truck."
"OK, here's an ordinary sedan, with a trailer that has 500lbs of concrete cast into it."
"What? I just want a pickup truck."
"What's wrong with you? Why cant you just use the half-full-of-concrete trailer and sedan?"
"It doesn't have enough load space, and the concrete will make towing performance suck."
"Then buy the UNIMOG!"
"I don't need a freaking UNIMOG!"
"Then you mustn't be very serious about carrying loads, and therefore the sedan and concrete-filled trailer should be good enough."
"I. Just. Want. A. Pickup. Truck."
Yes, but all pickup trucks have gotten much more expensive over time, even the base model 1500 Work Truck. Apple figured out that pickup trucks don't make as much money for them as SUVs and CUVs and like all smart car manufacturers, moved their production over to those as that is what the vast majority of new owners wanted. Not a 2500-2500HD pickup truck. But a CUV, capable for 90% of most everyone's needs.
Then a relatively small group demanded and demanded a pickup truck and Apple said, there are too many 1500s and 2500s out there in the market and we don't want to get lost, besides, our focus groups said that most people wanted a 6500(HD) with a choice of engines from gas to diesel to get them to switch and it really needed to stand out on the road. Apple obliged and gave the 1500 and 2500HD owners a choice. Buy a very capable CUV or pony up for the 6500 because the 1500-2500HD market is just not worth it to fight it out with manufacturers willing to take a loss to get a sale, because they don't sell a metric crap ton of electric scooters and for every potential 1500 or 2500HD sale they could sell 3 or 4 electric scooters and easily make way more money.
Upgradeable GPUs is still gonna get you AMD...NVIDIA's days not the Mac are done.