The ToughArmor MB699VP-B V3 is a Ruggedized Quad Bay Removable U. 2/U. 3 NVMe SSD Enclosure supporting PCIe 4.0 and fetching up to 64Gb/s data transfer rates through OCuLink (SFF-8612) interface. It is made out of heavy-duty full-metal construction and equipped with removable U. 2/U. 3 drive trays that simplify the time-consuming drive installation/removal process for easy drive maintenance. In addition the MB699VP-B V3 uses dual 40x20mm cooling fans to keep the high-speed U. 2/U. 3 SSD at optimal temperatures and let you adjust the fan speed through the 3-speed fan control located in the rear of the enclosure.