iMac Intel 21.5" EMC 2308 Dual drives. Replace DVD with SSD with fast SATA connector - iFixit Repair Guide
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ROLINE M.2 to SATA III SSD H/W adapter, 2x M.2 NGFF SSD, bootable and RAID-capable - SECOMP International AG
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ROLINE M.2 to SATA III SSD H/W adapter, 2x M.2 NGFF SSD, bootable and RAID-capable - SECOMP International AG
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