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Switcher Hangout (Windows to Mac)
Which OS you guys recommend???
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<blockquote data-quote="chscag" data-source="post: 1861741" data-attributes="member: 46727"><p>A lot depends on what type of drive is in your 2015 iMac. If it's a Fusion drive (combo HDD and small SSD) I would not upgrade past High Sierra. If your machine has a pure SSD, then you can go to the latest version of macOS Catalina.</p><p></p><p>The reason is that once you upgrade to Mojave, that will cause your drive to be reformatted to APFS from HFS+. APFS is designed for SSDs although it will work on any drive. A spinning HDD or combo drive (Fusion) will be stressed and likely run slower than if left at HFS+.</p></blockquote><p></p>
[QUOTE="chscag, post: 1861741, member: 46727"] A lot depends on what type of drive is in your 2015 iMac. If it's a Fusion drive (combo HDD and small SSD) I would not upgrade past High Sierra. If your machine has a pure SSD, then you can go to the latest version of macOS Catalina. The reason is that once you upgrade to Mojave, that will cause your drive to be reformatted to APFS from HFS+. APFS is designed for SSDs although it will work on any drive. A spinning HDD or combo drive (Fusion) will be stressed and likely run slower than if left at HFS+. [/QUOTE]
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Switcher Hangout (Windows to Mac)
Which OS you guys recommend???
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