The ToughArmor MB105VPB is a 5.25inch ruggedized fullmetal removable dual U.2/U.3 NVMe PCIe 4.0 SSD mobile rack enclosure, supporting up to 64Gbps data transfer speeds through Slimline SAS SFF86548i connection in a single 5.25inch optical drive bay. In addition, the innovative removable drive tray design allows users to effortlessly access U.2 or U.3 drives from the front of the system. The MB105VPB is equipped with two EZ Slide Mini removable fullmetal drive trays supporting from 7mm to 15mm drive height, making drive maintenance a more efficient and straightforward process. The builtin 40mm x 20mm rear cooling fan effectively blows away the heat generated by the U.2/U.3 SSDs through the intelligently placed ventilation holes within the enclosure. Depending on the intensity of the workload on the U.2/U.3 drives, the user can adjust between three fan settings Hi, Low and Off. Specifications. Number of Solid State Drive Supported 2. Number of Solid State Drive Installed 0. Number of Total Expansion Bays 2. Number of 2.5 Bays 2. Hot Swappable Bays Yes. Wireless LAN No. Host Interface SFF8654 SlimSAS. Product Color Black. Product Material Metal. Cooling Fan Yes. Form Factor Internal. Compatible Drive Bay Width 5.25. Height 1.6. Width 5.9. Depth 5.7