SO-DIMM DDR5
From Amazon
Transcend SO-DIMM Memory Module 16GB DDR5 4800MHz - JM4800ASE-16G
Conrad Electronic
Transcend JM4800ASE-16G Laptop RAM card DDR5 16 GB 1 x 16 GB ECC 4800 MHz 262-pin SO-DIMM CL40 JM4800ASE-16G
This product is also available at 2 unverified stores.