4U Standard Chassis 10 x 3.5" HDD + 1 x 2.5" HDD/SSD + 3 x 5.25" Bays
DAE07535U4-01 Price Huawei Enterprise Unified Storage OceanStor DAE07535U4 HD Disk Enclosure (4U, 3.5", AC, Dual SAS Expansion Module, 800W, 75 Disks)
QR491A HP M6720 SAS 3.5" 4U Drive Enclosure
IBM 5802 5802-T19 18SFF 4U SAS DISK DRIVE ENCLOSURE CTO | eBay
Rosewill RSV-L4500U 4U Server Chassis Rackmount Case | 15 3.5 | www.rosewill.com
SuperMicro 4U 90-Bay 12G Dual Expander SuperChassis - SC847DE2C-R2K04JBOD. PC PitStop Data Storage Solutions - SAS Enclosures, DAS, NAS, iSCSI & FC SAN
NeweggBusiness - CHENBRO RM42300-F 1.2 mm SGCC 4U Rackmount Server Case 3 External 5.25" Drive Bays
Ability 4U 90-Bay JBOD | High-Density Disk Drive Enclosure | RAID Inc.
NORCO RPC-4224 4U Rackmount Server Case with 24 Hot-Swappable SATA/SAS Drive Bays Server Chassis - Newegg.com
IBM 5802 5802-T19 18SFF 4U SAS DISK DRIVE ENCLOSURE CTO | eBay
IBM DCS3700 1818-80E 4U Disk Enclosure 60x 3 5" Bay 2x ESM Control Module I/F-4
Rackmount server with 24 x SATA drive bay up to 96TB storage space in a 4U chassis
2*2.5'' HDD Enclosure with 6GB sata backplane for TOPLOONG 2U 3U 4U 6U hot-swapped chassis
DAE12435U4-01-DC Huawei 4U DC 3.5" Disk Enclosure
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