12 of 16 people found the following review helpful
BEWARE USING 1019 BLOCK MEMORY CARDS WITH A Wii,
This review is from: Memory Card for Wii Console 64 MB (1019 Blocks) (Video Game)
I bought an original Nintendo brand 1019 block memory card back when I had a Gamecube. It worked as it should. Eventually my wife decided she had to have a Wii (and within a few months it was as if she'd bought an exercise machine...), so the Gamecube got shelved and I at least gained the ability to play most of my GC games in 480p, Wii component cables being far less scarce. I continued using the 64Mbit memory card for about a year. I only ever found one game that didn't like it, I believe it was Eternal Darkness. Then one day I could no longer load saves. All the data had been corrupted. I lost countless hours of progress in over 20 games, since this was the only card I ever needed to use. Twilight Princess (~100 hours alone), Wind Waker, Mario Sunshine, Resident Evil, Metroid Prime 1 & 2...all either completed saves or 70-80% progress...gone. I tested it in the old Gamecube and it exhibited the same problem. I had no choice but to reformat it. I then tried playing a game, and was immediately informed that I would need to format the card (again). It was dead, no way to fix it. So, I got online and quickly found out what was going on. Wii consoles, for whatever reason, eventually destroy 1019 block memory cards. EVEN THE OFFICIAL NINTENDO CARDS. There has never been any sort of acknowledgement of this issue from Nintendo. Google "memory card 1019 wii corruption" and you'll find this is no isolated occurrence.
The only reason I took the time to write this is to inform fellow gamers about this issue, which apparently doesn't manifest itself immediately, but eventually it will happen. You're much better off buying several Nintendo 251 block cards, or seeing if any officially licensed third party cards (Nyko made some, I have one) can be found.