I bought a entry-level Mini to test eGPUs with. I had forgotten how EXCRUCIATINGLY PAINFUL a 5400 rpm drive is. LONG, SLOW boots. Get to desktop and then wait while it finally puts the stuff on there. Anytime you click on something you get a lovely, colorful beachball to watch as you wait for the window to open, etc. Well, I wanted cheap and I got it. I could plug SSDs in via USB3 and even had a TB PCIE SSD that I used. Night and Day doesn't describe it. G3 vs Mac Pro does. So I ordered a 512 Gig SSD on Newegg for like $200. iFixit noted the T6 security screws. Went on Amazon and saw that many kits listed security bits, but only down to T7. (coincidence? I think not) So I ordered one that said all were security. HD got here and I used a USB adapter to clone the 500GB internal onto it. Finally the Amazon package arrived, I got everything readying guess what? The Amazon seller lied. Security down to T7, regular below that. I considered using a small handgun to open up the recalcitrant Mini. I decided to order another driver from Amazon. I got the WLXY single driver. And today it showed up. I got all the parts on a clean tabletop and dug in !!! On the very first screw head the driver stripped away to a nice rounded end. Made of something like lead. I started thinking handgun or tire iron....then saw my trusty file. I could file a little bit off the tip between screws and get a bite, but only if I applied super-human strength in downward pressure. I got to the fifth one out of six and had filed all of the tip away that had a hole in it. So I got out the pliers for screw #6. Lesson learned, get a HIGH QUALITY T6 security screw or use the handgun/tire iron method. (If you use a hammer, make sure it is Metric) This is where it gets interesting, the iFixit teardown is exactly that, just a bunch of pix. They also want to sell you their removal tool. A couple of T5 and T6 screwdrivers did the trick, but you have to get all of the screws out. They note in the small print that they don't show ALL of the screws they remove. So I had to look at the 2012 guide and found them all. Basically you have to gut the entire thing to get HD out. Got the SSD in and put it all back together. Only 1 extra screw !! And of course I left out the 6 security screws, waiting to get a new driver. Gaffer's Tape holding bottom on now. Amazingly, it booted right up, in a fraction of the time that it took before. A completely different machine.