OWC ThunderBay 4 mini Enclosure Portable 4-Bay External Drive
https://www.owc.com/solutions/thunderbay-4-mini-thunderbolt-3
https://eshop.macsales.com/item/OWC/TB4MJB0GB/
ThunderBay 4 mini (SSD, 2.5' hard drives) Thunderbolt 2
OWC ThunderBay 4 mini Enclosure Portable 4-Bay External Drive
https://www.owc.com/solutions/thunderbay-4-mini-thunderbolt-3
https://eshop.macsales.com/item/OWC/TB4MJB0GB/