The NVMe WriteBlocker allows you to examine NVMe U.2 and M.2 SSDs in write block mode, i.e. without changing the contents.  

The WiebeTech Forensic UltraDock v6.0 CRU is a leader among blockers.

The CRU WiebeTech NVMe Drive eRazer is a small stand-alone device for reliable and complete erasure of NVMe M.2 and U.2 drives.

USB 3.1 WriteBlocker ensures fast access to data on USB 3.1 devices without changing them.

Professional hard disk write blocker with Read-Write and Write/Block functions.

Antistatic box for 2.5" HDDs/SSDs for safe storage.  

The Wiebetech Drive eRazer Ultra CRU is a small stand-alone device for reliable and secure erasing of SATA and IDE disks.