12 bay 3.5-inch 6Gb hard drive cage 12Gb storage NAS Black Qunhui CDN hot swappable SAS series chassis - AliExpress
Amazon.com: Rosewill 4U Server Chassis Hot Swap HDD 12 Bay Rack Mount Server Case, Support 12x 3.5 HDD Bays E-ATX Board, Rackmount Server Case Include Front 3X 120mm Fans Rear 2X 80mm
SATA III 12TB Hard Drives for sale | eBay
Toshiba 12TB MG07ACA Series 7200 rpm SATA III 3.5" MG07ACA12TE
Silverstone 4U 20-bay 2.5" / 3.5" HDD / SSD rackmount storage server chassis with Mini-SAS HD SFF-8643 12 Gb/s interface - Newegg.com
iStarUSA 4 RU 12-Bay Stylish Storage Server Trayless D410-DE12RD
WD Red Plus WD120EFBX - hard drive - 12 TB - SATA 6Gb/s - WD120EFBX - Internal Hard Drives - CDW.com
Western Digital Ships 12 TB WD Gold HDD: 8 Platters and Helium