Add 4x SATA drives to a desktop via a single 2280 M.2 drive slot; Maintain SATA 6Gbps read/write speeds per drive - Drivers auto-install in Windows 8 and up/macOS/Linux; Supports software storage management (Storage Spaces) - Use with computers/external enclosures that have an M.2 slot to cost-effectively expand storage capabilities - Supports TRIM and SMART data; SATA I/II/III and PCIe 3.0; Includes 4x SATA cables - Works in PCIe-based B or M-key M.2 slots; Not compatible with SATA M.2 slots.