eBay
High performance 4U 550MM Depth Workstation Server Case Industrail PC Chassis All-in-one 4U Rack Case With 8.9 Inch LCD screen
Aliexpress UK
1U 19" Rackmount chassis with 10 hot-swappable 2.5" drive bays. Backplane has 8x SAS ports and 2x SATA1 Overall depth 660mm Fits mATX and mini-itx sized boards
eBay
ZhenLoong X424 4U 24 bay rackmount server case SATA SAS hot swap Mini 12G backplane with Expansion Chip Rack Storage Chassis
Aliexpress UK
Compatible Model:For Rosewill 4U Server Chassis/Server Case/Rackmount Case Package：1 Piece.
eBay
ZhenLoong 4u 24 Bay Server Chassis Hard Drive Disk Hot Swappble HDD SAS SATA 19" Inch Rack Storage Case with Mini SAS Backplane
Aliexpress UK
Here I have a 4U Server Case with dual a 800w redundant power supply. The case is 670mm deep. Removed from working environment. This listing is collection only as it's too heavy to post.
eBay
Super huge storage 24 bays 4u hotswap rack NVR NAS server chassis S46524 For Chia Mining
Aliexpress UK
brand new boxed manufacture date 2020 with all accessories as pictured Branded Exoscale large item so may be 2 day delay due to shipping options collection in person if requested
eBay
Super huge storage 4u 24 bays hotswap rack NVR NAS server chassis S46524 with 6GB mini sas 6xsff8087 backplane
Aliexpress UK
ZhenLoong 4u 24 Bay Expander Hot Swap HDDs SAS SATA 19" Inch Rack Server Chassis Storage Case with Expansion Backplane NAS 6Gb
Aliexpress UK
Collection is possible from Biggin Hill.
eBay
The chassis supports Micro ATX and Mini ITX motherboards and mounting options for up to four SSD/HDD drives. The case is pre-installed with three hydro dynamic fans that ensure excellent thermal performance.
eBay