This is how I configure and install an external USB hard drive for Catalina 15.5.I was considering getting a NAS, but they’re not cheap, then considered building a new linux PMS machine using one of my RAID5 arrays, but the parts alone add up to $800-1000 (decent hot swap chassis aren’t cheap). 36-core, 72-thread PC/hopefully Hackintosh soon 2 (two) 6x3TB RAID5.cfg lock) setup_var 0xDA2 0x00 Increase DVMT to 96M setup_var 0x263 0x03 链接3支持Catalina. Hackintosh Catalina - I9 9900k, Watercooled CPU & GPU, 32gb Memory, AMD 5700XT. Intel ® Z490 Creators Motherboard with Direct 12+1 Phases Power Design, Direct Touch Heatpipe, Thunderbolt™ 3, Intel ® Wi-Fi 6 802. While there were no major changes to external GPU support in macOS. Today Apple releases Catalina 10.15, two years after the launch of macOS High Sierra 10.13 that introduced eGPU functionality.The copy of macOS is available for free to download for anyone who has purchased Mac OS X Snow Leopard, Lion, or. Download macOS Catalina The very first step is to download macOS Catalina.