The second thing I ordered worked and the data is successfully saved. This after contacting SanDisk, who told me it was an OEM product and I had to contact Asus, then contacting Asus, who told me essentially nothing. And, since I was ordering anyway, I got free shipping by throwing in the SATA to 1.8" SATA adapter too, thanks Diggs, for that suggestion. Now I have 1 adapter (the one Diggs suggested) that I will use occasionally and 2 which I will likely never use again.
Unless... My store is a drop-off point for electronics recycling. I have a guy who picks up my junk for free, so I allow people to drop it off here for free. No TVs or major appliances, but everything else is good. I occasionally get some interesting things, but it's mostly junk. But it's likely the customer will leave it with me to be recycled, in which case I'll leave it in that adapter and put it in the HTPC I'm accidentally building as the boot drive.
I gave a customer some motherboard advice and the motherboard the ordered based on that, the Asus Q170T/CSM, is $150 tiny piece of overpriced specialty crap. I have never really looked outside the PC market before, so I didn't know mini-itx, much less thin mini-itx, were things. So I had to buy a motherboard for them and trade them. To be fair, it looks like a great little motherboard, it's just way too damned much money for what you can do with it. I have since ordered DDR4 RAM, a 150W external power cord, a gorgeous Corsair Obsidian 250D case, 2 different Kodi remotes (both Rii) with keyboards on them and a Blu Ray drive for it. I still have to spend nearly $200 on a processor, but I plan on using my current 2TB media drive out of my machine that currently has a barely functional Tversity setup. I wanted to use that for just the media and no OS install. If the customer leaves the drive with me for recycling (and why wouldn't she? It's virtually useless.) then I'll leave it in the adapter and use it for the OS drive in my planned Kodi machine.
I think it will be fun to get into Linux (barely) again for a short time. I have to learn how to install all the addons for it. I want to start with a bard Kodi system and then add only what I want to keep it lean. Plus I don't want to download a pre-built system with a bunch of illegal crap in it that's going to get me scary letters from my ISP.