Silverstone Technology 4 Bay 1U Rackmount RAID Storage Unit with USB 3.0 and eSATA Interface (RS431U-V2)

SABRENT 4-Bay USB 3.2 Gen 2 SATA Docking Station for 3.5” HDD/SSD, 10Gbps USB-C DAS, Tray-Less Hot-Swap, Aluminum Enclosure with Cooling Fan, Individual Power Switches, No RAID (DS-SC4B)

CENMATE Aluminum 4 Bay Hard Drive Enclosure with Cooling Fan for 2.5“/3.5" SATA HDD/SSD with USB A/C 3.0, Support Hot Swappable, Tool-Free HDD Enclosure, DAS(NO RAID/NAS)

QNAP TR-004 4 Bay USB Type-C Direct Attached Storage (DAS) with hardware RAID (Diskless)

CENMATE Aluminum 4 Bay 10Gbps Hard Drive Enclosure with Cooling Fan for 2.5“/3.5" SATA HDD/SSD with USB A/C 3.2 Gen 2, Support Hot Swappable, Tool-Free HDD Enclosure, DAS(NO RAID/NAS)