PC Cases & Drive Cases
Lfhelper 4U Rack Case with 7 PCI Slots, 7x3.5” HDD Bays, Key Lock Front, USB 2.0 Ports, Fits ATX/M-ATX/Mini-ITX, 4U Rackmount Server Chassis Enclosure, Secure for Network & Data Applications
Secure PCI Card Installation: Supports up to 7 PCI cards with a special locking mechanism, providing stable expansion for rackmount server case systems. Ensures internal card security in professional server environments Dust-Minimising Front Design:...
https://www.bizrate.co.uk/tower_drivecases/lfhelper-4u-rack-case-with-oid39660347590.html