It seems like you're looking for a transparent external enclosure casing for an NVMe SSD. This type of enclosure typically allows you to easily convert your NVMe M.2 SSD into a portable external drive, and the transparent design gives you a clear view of the SSD and internal components, which can be quite appealing for tech enthusiasts or for those who simply want to keep track of their hardware.

When selecting an NVMe SSD external enclosure, here are some key factors to consider:

1. Compatibility (Interface and Form Factor)

• Ensure that the enclosure supports NVMe M.2 SSDs (not SATA M.2) and is compatible with the M.2 size of your SSD (usually 2230, 2242, 2260, or 2280).
• The interface should support USB 3.1 Gen 2, USB 3.2, or Thunderbolt 3/4 for optimal performance, with speeds up to 10Gbps or 20Gbps depending on the standard.

2. Material and Build

• Transparent enclosures are typically made of acrylic or tempered glass, allowing you to view the internals. Look for a high-quality, scratch-resistant design.
• Some enclosures have a metal frame (e.g., aluminum) around the transparent cover for better durability and heat dissipation.

3. Cooling/Heat Management

• NVMe SSDs generate significant heat, so consider enclosures with good heat dissipation. Some enclosures come with built-in thermal pads or heatsinks to help manage the heat.

4. Speed and Performance

• Check the USB version or Thunderbolt interface to ensure it can handle the maximum speed of your SSD. For example, if you're using a high-performance NVMe SSD, an USB 3.2 Gen 2x2 (20Gbps) or Thunderbolt 3 (40Gbps) enclosure would be ideal.

5. Portability and Design

• The enclosure should be compact and easy to carry around. Some models also feature tool-less assembly, making it easier to install the SSD.