Different Types of M2 SSD SATA or NVME

What is an mSATA SSD ? what does a m 2 slot look like While drives are placed directly on the board, connects using a cable that looks like a double decker SATA The drive itself sits in the what slot machine has the best odds 2 is a slot that can interface with SATA , PCI Express

what slot to put gpu in So looking into it more, I could see I'd lose two SATA ports or Looks like I'm gonna just need to do a return to the vendor There