This is nice Fake mod. Were you convinced just because it was a (un)Wiki? Did you spot the inconsistencies in the photo's? We did! ;-)
"Disassemble the iPod Nano using a screwdriver, and a Dremel. Use a very fine bit on the Dremel to avoid tarnishing the finish. Seperate the two halves of the shell, and lay them on the table. Remove the LCD screen with care, as it is very delicate. When you are done, it should look like this..... Remove the RAIDMAX RS series daughterboard from the original board. It should be easily removable, as the board was designed for expansion and easy intergration. Solder the following pins to the mainboard where you dismounted the memory (don't worry, Flash and ATA are similar enough that the onboard controller can handle the signal conversion without a firmware update."