# 4U

4U 24-Bay Storage Server Rackmount Chassis

A 4U twenty-four-bay storage chassis with eight expansion slots and 120mm cooling — the density ceiling of the U Storm line.

4U 24-Bay SAS Expander Storage JBOD Rackmount Chassis

4U 24-Bay SAS Expander Storage JBOD Rackmount Chassis — rack-ready platform for integrators and OEM/ODM programs.

4U 20-Bay SAS Expander Storage JBOD Rackmount Chassis

4U 20-Bay SAS Expander Storage JBOD Rackmount Chassis — rack-ready platform for integrators and OEM/ODM programs.

4U High Performance Extended-Depth Rackmount Chassis with Seven 5.25" Bays

A 27.9"-deep 4U platform with seven 5.25" bays — up to 12 × 3.5" or 36 × 2.5" drives, full-length cards, and hot-swappable 120mm center cooling.

4U Compact Stylish Rackmount Chassis with Six 5.25" Bays

A 20.8"-deep 4U chassis with six 5.25" bays for hot-swap cage builds and seven expansion slots — a flexible base for storage appliances.

4U Compact Stylish Industrial Rackmount Chassis

A 4U rackmount chassis with 120mm high-airflow cooling, seven expansion slots, and mini-redundant PSU support — built for thermally demanding industrial and AI-edge builds.

4U 600mm Depth Simple Server Rack

The smallest Claytek WD portable rack: 4U high and 600 mm deep, for countertop or under-desk 19" gear that still needs casters.

4U 900mm Open Frame Rack

The compact Claytek WOS 4-post open rack: 4U high and 900 mm deep, 440 lbs, with locking casters.