These are three size to choose ,before buying ,pls carefully check:

1) Only Support SATA : Interface (B Key) + Support SATA protocol and SATA SSD

2) Only Support NVME :Interface (M Key or B&M Key ) + Support NVME protocol and NVME Hard Disk

3) NVME and SATA Grey/Black : Interface (B Key) + Support SATA protocol and SATA SSD +Interface (M Key or B&M Key ) + Support NVME protocol and NVME Hard Disk

Features:

• High-Speed SSD :Experience rapid data transfer with the Samget M2 NVMe SATA SSD case, boasting a 10Gbps SSD box and USB 3.1 enclosure for seamless, high-speed data transfer.

• Versatile Compatibility :This SSD case is designed to be compatible with M.2 NVME SATA SSDs, ensuring a wide range of application and use cases.

• Durable Aluminum Material :Constructed from robust aluminum material, this SSD case guarantees durability and longevity, protecting your valuable data from damage.

• Convenient OTG Feature :The built-in OTG feature allows for easy connectivity with other devices, enhancing the device's versatility and utility.

• Compact Size :With its compact size of 1.8 inches, this SSD case is designed for portability and space-efficiency, making it an ideal choice for on-the-go users.

Specification:

1. M.2 NVME&SATA to USB 3.1 hard drive enclosure.

2. Support NVME SATA PCIE protocol, suitable for M2 (B+M Key/M Key) SSD.

3. Support M.2 NVMe SSD, 22*30mm, 22*42mm, 22*60mm, 22*80mm solid state drives, (SSD hard drives are not included).

4. The output speed depends on the type of SSD you use, NVME (10Gbps).

5. Tool free, Easy to use, no need to drive.

Maximum Support: 2TB

Support Interface: B+M Key/M Key

Output Connector: Type-C

System: for Windows 98/Se/Me/2000/XP/Vista/Win7/Win8/Win10/MAC OS 8.6 or the latest version

Size: 104*40*12mm (Approx.)