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OWC DIY Drive Upgrade/Install Kits for Apple iMac Models
1TB SSUAX PCIe 2.0 x4 SSD Install Kit - Apple iMac 21.5 A1418 Late 2013,Mid 2014 | eBay
🍏🖥️🛠️ 21.5" iMac Hard Drive Replacement or SSD Upgrade 2012-2017 (Including Retina) A1418 - YouTube