![Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown](https://cdn.wccftech.com/wp-content/uploads/2017/06/4K-21.5-inch-iMac-teardown-3.jpg)
Apple's 4K 21.5-Inch iMac Allows You to Upgrade RAM and CPU – Company Finally Dialing Down on Soldered Components, Reveals Teardown
![iMac (Retina 4K, 21.5-inch, Late 2015)のベースモデルは5400rpmのHDDがボトルネックとなりMacintosh Plusより起動が遅くなっているもよう。 | AAPL Ch. iMac (Retina 4K, 21.5-inch, Late 2015)のベースモデルは5400rpmのHDDがボトルネックとなりMacintosh Plusより起動が遅くなっているもよう。 | AAPL Ch.](http://livedoor.blogimg.jp/applechinfo/imgs/a/b/ab0390f0.jpg)
iMac (Retina 4K, 21.5-inch, Late 2015)のベースモデルは5400rpmのHDDがボトルネックとなりMacintosh Plusより起動が遅くなっているもよう。 | AAPL Ch.
![1TB Solid State Drive (SSD) PCIe 1TB for iMac 21.5-inch A1418, iMac 27-inch A1419, Mac mini, Mac Pro, MacBook Air 11-inch A1465 1TB Solid State Drive (SSD) PCIe 1TB for iMac 21.5-inch A1418, iMac 27-inch A1419, Mac mini, Mac Pro, MacBook Air 11-inch A1465](https://www.macwave.co.za/wp-content/uploads/2020/07/1TB-SSD-PCIe-for-iMac-21.5-inch-iMac-27Mac-Pro-Late-2013-MacBook-Air-11-inch-MacBook-Air-13-inch-MacBook-Pro-13-inch-MacBook-Pro-15-inch-Late-2013-Late-2015-Mac-mini-Late-2014.jpg)
1TB Solid State Drive (SSD) PCIe 1TB for iMac 21.5-inch A1418, iMac 27-inch A1419, Mac mini, Mac Pro, MacBook Air 11-inch A1465
![iFixit、iMac (Retina 4K, 21.5-inch, Late 2015)の分解レポートを公開。Retina 4KディスプレイはLG製で、ベースモデルはSSD用コネクタが非搭載。 | AAPL Ch. iFixit、iMac (Retina 4K, 21.5-inch, Late 2015)の分解レポートを公開。Retina 4KディスプレイはLG製で、ベースモデルはSSD用コネクタが非搭載。 | AAPL Ch.](https://applech2.com/wp-content/uploads/2015/10/iFixit-iMac-4K-HDD.jpg)