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OWC Envoy Pro EX SSD
Blazingly fast Thunderbolt 3 SSD!

Up to 4TB capacity, USB-C compatible.

USB-C model also available


Great for travel or for desktop!

MacBook Pro i7 Software Development Performance (XCode)

Last updated 2010-04-20 - Send Feedback
Related: laptop, MacBook, MacBook Pro, Macs

See the system configuration notes.

Apple XCode build DiskTester

Build DiskTester with Apple XCode (DiskTester is part of diglloydTools).

This is a CPU intensive test that is not influenced by disk speed (smart I/O and caching hide the I/O speed).

The Core i7 offers a 20% performance improvement, and this is one test where hyperthreading helps; running the test and limiting XCode to 2 threads results in 140 second runtime, suggesting that clock speed is also important here.

Time in seconds, lower is better

Developers: you can control the number of threads XCode uses while building:

defaults write com.apple.Xcode PBXNumberOfParallelBuildSubtasks 4

OWC Accelsior 4M2 PCIe SSD
6000 MB/sec!
Mac or PC.


Ideal for Lightroom, Photoshop, video.
Capacity up to 16TB!
Save Big $$$$ on Memory for 2019 Mac Pro

Up to 65% better pricing than Apple

Lloyd recommends 32GB RDIMM modules for most users (more expensive LRDIMMS are for 512GB or more).


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Peak Design Everyday Backpack (20L, Heritage Tan)
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