ZTC Lightning Card M.2 NGFF SSD (PCIe 2 and 4 Lane or SATA III Type) To PCI-e or SATA III Internal Card. UP To 1.6GB/s on the 4 Lane PCIe Model ZTC-EX001 On 4 Lane Interface speed max up to 1,600MB/s (1.6GB/s) Read Speed. 4 Lanes of PCI-e designated and 4-Layer PCB design. Built-in M.2 (NGFF) M-key Female connector. Short Circuit and Thermal Shutdown Protection Multi Type M.2 NGFF SSD Supported