Fits 4x M. 2 NVMe SSD of all lengths, 30mm (2230), 42mm (2242), 60mm (2260), 80mm (2280), and 110mm (22110). ^^ Uses 4x Mini-SAS HD (SFF-8643) to connect, requires NVMe host ^^ Supports the full NVMe bandwidth specification of 64 Gbps per channel ^^ 2-segment key lock for additional physical security ^^ Integrated extra-large high-efficiency heat sink and ample ventilation for excellent passive cooling