SOLVED: Are these the right SSD PCIe blades for iMac Late 2013? - iMac Intel 21.5" EMC 2638 - iFixit
Ssd Nvme Hard Drive On900a For Macbook 256gb 512gb 1t 2t Nvme M2 Pcie 3.0*4 For Imac/macbook Air/macbook Pro/mac Pro/mac Mini - Solid State Drives - AliExpress
SSD Upgrades for Apple iMac 27-Inch Late 2013 - 2019
OWC OWCS3DAPT4MA20K 2TB Aura Pro X2 SSD Upgrade Solution for iMac (2013 - Later) - High Performance NVMe Flash
Timetec 256GB MAC SSD NVMe PCIe Gen3x4 3D NAND TLC Internal SSD Compatible with Apple MacBook Air (2013-2015, 2017), MacBook Pro (2013-2015), iMac ( 2013-2019), Mac Pro (2013), Mac Mini (2014) - Walmart.com