Apple Mac Pro 2019 CPU Can Be Upgraded Claim Enthusiasts Despite Some Issues With The macOS Desktop Booting Latest Catalina OS

The recently launched Apple Mac Pro 2019 Edition Desktop has been a refreshing surprise owing to its exceptional serviceability and repair. Moreover, the just conducted teardown of the premium macOS desktop revealed that end users could easily perform some basic but important upgrades. An increasingly populated forum thread now indicates even the CPU on the latest Mac Pro Desktop can be upgraded with an even more powerful variant.

The Apple Mac Pro 2019 Edition desktop received the highest ever repairability score accorded to any Apple device ever, by iFixit. The team performing the disassembly discovered a very high and satisfying degree of modularity, and the use of standard fittings and components. Now a thread on a MacRumors Forum claims even the CPU on the new Mac Pro desktop, can be upgraded.

While the upgrade is restricted to Intel CPUs only, the ability to swap out a CPU on an Apple Mac Pro Desktop is understandably one of the biggest improvements to design, service and upgradability. Of course, any such core upgrade to any Apple product is most likely to instantly render the Apple warranty null and void. Moreover, performing such upgrades can cause unexpected or erratic behavior of the macOS desktop, including boot loop or complete failure of the expensive computer.

Apple Mac Pro 2019 Edition CPU Can Be Upgraded Claims User:

The Apple Mac Pro 2019 Edition desktop computer has surprisingly standard and modular components. These shockingly include the RAM as well as the CPU. In other words, Apple has used the standardized socketed design for the CPU and RAM. However, as with all the Apple products, the 2019 Mac Pro desktop is expected to have software or hardware limitations that prevent upgrades performed by unauthorized end users.

The iFixit team clearly proved that the CPU on the Apple Mac Pro 2019 Edition desktop is socketed and that it can be easily removed from the CPU socket. Apple currently offers the Intel Xeon W processor. The premium Intel CPU features 8 cores. It has a standard clock speed of 3.5GHz, and under Turbo Boost the CPU can perform at 4.0GHz. While these are certainly impressive numbers, Intel does offer even more powerful CPUs. Moreover, these newer CPUs feature even more Cores.

An enthusiast has posted photos on the MacRumors Forum claiming he swapped out the 8-Core Intel Xeon W processor with a 24-Core Intel Xeon W processor. Although the latter sports a stable clock speed of 2.4GHz, the processor packs three times the cores as the preinstalled one.

As expected, the benchmarking scores easily beat the preinstalled Intel Xeon W processor by scoring 1052 in single-score and 15305 in multi-core categories. There are some additional screenshots that seem to confirm the upgrade was successful and stable.

Can End Users Upgrade The CPU On The Latest Apple Mac Pro 2019 Edition Desktops?

The CPU on the latest Apple Mac Pro desktops can be physically extracted from the motherboard socket and replaced with a compatible Intel CPU. The replaced CPU featuring the same PIN design fits perfectly, and as claimed by the user, works well. However, there are some hiccups that can render the complete system unbootable.

The enthusiast who performed the upgrade added that after successfully conducting the benchmarking and other stability tests, the upgraded Mac Pro desktop refused to boot. The person claims, “I currently am getting nothing to my display, the optical mouse won’t light up and there’s no indication of the System looking for a boot device (flashing question mark). Both power lights light on and the System consumes around 100 W at the wall. Catalina is installed on the internal factory Flash drive. It is not currently booting.”

The attempts to revive the Apple Mac Pro 2019 Edition desktop after performing the CPU upgrade have so far failed. The user is attempting some of the suggested solutions. Some of the suggested solutions including resetting the NVRAM, and even following the Apple suggested solutions to reset the SMC or even revive the firmware in a Mac Pro.

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Alap Naik Desai


A B.Tech Plastics (UDCT) and a Windows enthusiast. Optimizing the OS, exploring software, searching and deploying solutions to strange and weird issues is Alap's main interest.
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