Rackmount VS Desktop – Choosing the Right NAS Storage – NAS Compares
Amazon.com: SilverStone Technology RM43-320-RS 4U 20-Bay 2.5" / 3.5" HDD / SSD rackmount Storage Server Chassis with Mini-SAS HD SFF-8643 12 Gb/s Interface, SST-RM43-320-RS : Electronics
3U rackmount Thunderbolt 2 raid sixteen bay (16) SAS, SATA, SSD mac, windows, and linux - RM16-S6.TB2
Qnap TS-435XeU – compact and quiet NAS for 1U rack - HWCooling.net
Blackmagic MultiDock | Blackmagic Design
Amazon.com: UCTRONICS 19" 1U Rackmount for Raspberry Pi, SSD Bracket for Any 2.5" SSDs, Hold Up to 5 Raspberry Pi 5/4B Boards, Front-Removable with Captive Screws : Electronics
4 Bay 2.5” SATA Hard Drive Mobile Rack Mount for 5.25" Drive Bays for HDD SSD Enclosure w/Led Indicator Built-In Fan - AliExpress