ZTC RAID Series M.2 NGFF to SATA III 2.5&rdquo; Enclosure Board. Supports RAID 0 1 and JBOD at speed up to 520MB/s with Multi Size Fit. Model ZTC-RAID002 Standard 2.5" (9.5mm) Form Factor Enclosure and Supports two M.2 NGFF SSD devices Built-in ASM1092R high performance processor with RAID mode switch by hardware strapping or GUI controller 3-button Hardware switch to setup RAID mode Short circuit protection and Thermal shutdown protection Green LED indicate SATA 3 host active. Red LED indicate M.2 NGFF SSD error