Sedna Sedna - PCI Express (PCIe) Dual 2.5" SATA III (6G) SSD Adapter (Short Sided SSD Version) (Built-in power circuitry, no SATA power connector required, ideal for Mac) SSD/HDD not included -
ORICO 2-Bay PCI-e 2.5" SDD/HDD Frame
3.5" 2.5" SSD HDD to PCI PCI-e Metal Mount PC Casing Hard Drive Bracket A.AY | eBay
Cage Rack Hard Drive | Hdd Stacking Bracket | Hard Drive Bay Rack | Hdd Bracket Chia - 3.5 - Aliexpress
USB 3.2 Type C M.2 PCIe NVMe + 2.5/3.5 Inch SSD & HDD Converter - Sabrent
10TB SATA 6Gb/s 7.2K RPM 3.5" HDD for Dell EMC – Water Panther
Amazon.com: GLOTRENDS 2.5 inch SSD Mounting Bracket with SATA III Cable and SSD Screws, PCIe or PCI Slot Installation : Electronics
SolidForce+ USB-C to PCIe/NVMe M.2 SSD Enclosure plus SATA III Adapter
Amazon.com: SABRENT USB Type-C Lay Flat Docking Station for M.2 PCIe NVMe + SATA 2.5'"/3.5" SSD & HDD with Offline Clone Function [DS-UFNC] : Electronics