SATA HATs support up to four drives on Raspberry Pi 4 or Rock Pi 4
USB 3.0 Dual 3.5in SATA RAID Enclosure - External Drive Enclosures | StarTech.com
SanDisk Professional G-RAID 2 2-Bay RAID Array (Thunderbolt 3 / USB 3.2 Gen 1) - Media Storage Group
eSATA 6Gb/s and USB3.0 5Gb/s host to 2x SATAIII port support PM (JBoD) and raid 0/1/BIG controller - [eS6U3-DS3r]
2 Bay RAID Enclosure, USB 5Gbps, 8Tb Capacity | Eaton
Seagate E202404 ASM1053 1090R REV A0 USB 3.0 2.5" SATA RAID 0 PCB Controller F56 | eBay
H1111z Add On Cards Hdd/ssd/sata Raid Controller/card M2 To Sata M.2 Sata Card Port Multiplier Sata 3 B+m Key M.2 Adapter +cable - Add On Cards & Controller Panels - AliExpress
EZRAID 1-to-2 SATA to SATA Hardware RAID Controller
Mediasonic Raid USB C 3.1 4 Bay 3.5” SATA Hard Drive Enclosure with USB Hub 60W Power Delivery 3.0 4K HDMI Monitor Extender SDXC Reader Features – USB Type C USB 3.1 Gen 2 10Gbps (HFR7-SU31CD)