Wanted more speed; had a spare 240GB SSD from an older Mac Pro.
Beautifully thanks to your online guide with pictures. All the tools worked perfectly. Using the Removal tool was an eye opener. Mini booted up like a charm and runs like a top.
You did miss one screw that is holding the fan in the enclosure. The hole for it appears in the picture of extraction, but there's no mention of actually unscrewing that particular. Step 4.