Buy Fusion Drive -

A Fusion Drive is not a single physical part but a logical volume managed by macOS.

The system automatically moves frequently used files (like the OS and apps) to the SSD portion for speed, while keeping less frequent files on the HDD. buy fusion drive

Used in later models like the 2015-2017 iMacs. Available for roughly $17 to $50 at eBay - beetstech or eBay - discountparts99. A Fusion Drive is not a single physical

Standard 3.5-inch or 2.5-inch SATA HDDs can be used as the mechanical component. buy fusion drive

Compatible with iMac models A1418 and A1419. Available for around $39 to $52 at eBay - mybagpack.

You can purchase the proprietary PCIe SSD portion for repairs.