An SSD is simply memory chips soldered onto a PCB. A controller handles everything and there may even be some cache and local memory to help with performance. Interfaces like SATA, USB ...

Teamgroup QX 4TB SATA SSD: was $192.99 now $166.49 at Newegg ... Like most drives in this price bracket, this drive is likely to be a SATA3 DRAM-less 2.5-inch models that use 3D NAND Flash memory ...

The Satechi hub slots neatly underneath its host Mac using elevated mounting brackets for a secure ... and stand there is a slot for an M.2 SSD in NVMe or SATA ... [+] variants.