Supports RAID 0, RAID 1, and JBOD on iOS systems. Supports RAID 0, RAID 1, RAID 5, and JBOD on Windows systems. Maximum capacity of 8TB NVMe SSD per disk, total capacity of four disks up to 32TB. Built-in turbine fan improves cooling efficiency by 40%. Each of the four drives can be used as an independent drive. RAID support: iIOS system: Supports RAID 0, RAID 1, and JBOD. Windows system: Supports RAID 0, RAID 1, RAID 5, and JBOD. Transfer mode and speed: Single disk mode (non-RAID): Up to 16Gbps per disk. RAID 0: Up to 40Gbps for four disks. RAID 1: Up to 24Gbps. RAID 5: Up to 32Gbps. JBOD: Up to 32Gbps. Cooling design: All-aluminum casing, built-in turbine fan, improving cooling efficiency by 40%. Fan Control: Press the button three times to switch fan modes (Stop/Low/Medium/High speed). Physical Specifications: Supported SSD Type: NVMe M.2 2280 (not compatible with SATA SSDs) Supported SSD Interfaces: M-Key, B&M Key Connection Method: Communicates with the host via PCIe 4.0 x1 lane. Usage Modes: Independent Mode: Each of the four drives can be used as an independent drive. RAID Modes: Supports various RAID configurations, such as striping (RAID 0), mirroring (RAID 1), distributed parity (RAID 5), and cascading disks (JBOD). Color: As Shown Material: Aluminum Alloy Package Contents: 1*4-Bay NVMe RAID Enclosure