![]() Inside macOS 10.13 High Sierra: APFS benefits end users with space, speed -Apple’s next-generation APFS has made its way to macOS High Sierra after an official debut on iOS 10.3, and with it comes essentially instant file copies, better efficiency for greater overall speed and fine-tuning of read and write operations boosting system performance. Instead, it’s seated in a standard LGA 1151 CPU socket, meaning the CPU could be upgraded without too much fuss and bother. But the other big surprise is that the Intel Kaby Lake architecture CPU isn’t soldered to the motherboard either. ![]() The customary teardown from iFixit of the 2017 21.5-inch 4K iMac reveals that it too is capable of being upgraded, but not as easily as the 27-inch model. This is a “major win for upgradability” over previous models.īut the RAM is a confusing issue that Mac Observer tries to explain. ![]() Teardown, testing discover Apple made 2017 iMacs easier for users to upgrade - Apple has made its recently-released iMacs more easily upgradeable, with retailer OWC confirming the base specification 27-inch 5K iMac can be fitted with up to 64GB of RAM, while an iFixit teardown reveals both the memory and the processor used in the 21.5-inch 4K iMac can be removed and replaced.
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