StarTech.com TR-M2-REMOVABLE-PCIE. Type: Storage drive tray, SSD interface: PCI Express 4.0, SSD form factor: M.2. Width: 34 mm, Depth: 124 mm, Height: 12 mm. Package width: 145 mm, Package depth: 75 mm, Package height: 20 mm. Quantity per pack: 1 pc(s), Number of lock keys included: 2 pc(s). Products per master (outer) case: 100 pc(s), Master (outer) case width: 485 mm, Master (outer) case length: 325 mm