Here’s what 50 streams of video look like in Final Cut – four banks of images, containing 16 clips each. I imported all these clips into Apple Final Cut Pro 10.6.5 (the latest version) and created proxies for all media automatically during import.ĭuring this test, I turned off background rendering, made sure the project specs matched the media and did not add any effects. They were recorded using the HEVC codec at 29.97 fps, then converted into both ProRes 422 and ProRes 4444 files once I returned home. These movies range from 30 seconds to four minutes. NOTE: Here’s my review of the OWC Thunderblade.ĭuring a recent vacation, I shot more than thirty UHD (3840 x 2160 pixels) clips, also commonly called “4K”, using my iPhone. (I use the remaining SSD blade as my Time Machine drive.) The Thunderblade has a maximum speed around 2,500 MB/second. I used the latest version of Apple Final Cut Pro: 10.6.5.įor external storage I’m using an 8 TB OWC Thunderblade which I’ve configured into a 3-drive SSD RAID. (An M1 Max SoC would be even faster, but I don’t have one to use for testing.) This illustrates something I’ve written about for many years: H.264 is optimized for small file size, while ProRes Proxy is optimized for editing efficiency.Īnd then, I decided to REALLY push the system…įor this article, I’m using a 16″ M1 MacBook Pro with an M1 Pro chip and 32 GB of RAM. H.264 is nowhere near as efficient for editing as ProRes proxy. However, FCP drops frames attempting to edit 20 H.264 clips at 50% scale. (In fact, when doing so the CPUs are only running at about 1/5 capacity.) What I learned is that, provided your storage is fast enough, FCP can easily handle 50 streams of ProRes Proxy media at 50% resolution. The speed of Thunderbolt 3 and 4 are the same. For this reason, I tested with Thunderbolt-connected high-speed external storage. NOTE: While the internal drives of MacBook Pro laptops and the Mac Studio are faster than Thunderbolt, in most cases, the systems we buy won’t have enough capacity for 4K media projects.
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