: 1. Dual M.2 Slot Design: Ngff To Sata3.0 Dual M.2 Hard Disk Fer Box Has Dual M.2 Slot Design, Which Can Insert Two M.2 Ngff Ssd Hard Disks At The Same Time, But Can Only Read One Hard Disk At A Time.(note: 2 Hard Disks Cannot Be Read At The Same Time) 2. High-speed Data Mission: The Adapter Box Supports The Sata3.0 Interface To Achieve A Data Mission Rate Of Up To 6gbps. It Is Easy To Read Or Write Large Amounts Of Data, Back Up Files, Or Play Hd Videos. 3. Portable Design: The Compact And Lightweight Design Also Makes It Easy To Carry, Meeting The Needs Of Users In Different Occasions. 4. Wide Compatibility: The Hard Disk Adapter Box Supports M.2 Ngff Ssd Hard Disks Of Various Specifications (30mm / 42mm / 60mm/80mm). 5. Simple Installation: Users Can Easily Plug, Unplug And Assemble Products Without Pressure, And The Adapter Box Does Not Need Drivers, Plug And Play, And Is Simple And Easy To Use. Specification: Support Interface: M.2 Ngff (sata Protocol) Interface External Fer Interface: