Amazon.com: Fledging 1TB Feather M13-S PCIe NVMe Gen 3.0x4 SSD Upgrade – DIY kit & OS Included – Compatible with Apple MacBook Air (2013-2015) & Pro (2013-2016), Mac Mini (2013) & Pro (2014), iMac (2013-2019) : Electronics
How-To: Now's the right time to swap your old iMac's hard drive for a fast new SSD - 9to5Mac
iMac 5K - 4790K, M295X - thermal compound + second SSD upgrade + Air Vents MOD | MacRumors Forums
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Fledging 1TB Turbo Feather M13 PCIe NVMe Gen 3.0x4 SSD Upgrade –DIY kit & OS Included– Compatible with Apple MacBook Air (2013-2015) & Pro (2013-2016), Mac Mini (2013) & Pro (2014), iMac (2013-2019) | Pricepulse