I'd drink to that !!!

I risked a cheap 4GB non-SDHC (made by www.veho-uk.com) and it's been rubbish, I've had to re-format it many times... and I think it's finally given up the ghost ... lesson learned.. with SD Cards you get what you pay for !

i agree about the brand and USB connection use. those seem to be the strongest indicators thus far. I know for sure that the A-Data cards that i bought we not top-of-the-line cards at about $50 USD each off newegg.com. i have connected my n800 to a linux machine via usb for file transfers, to and fro, so i cannot say which is the culprit, if either could be.

i do have one of the A-Data 8GB cards in the internal slot which is working properly, and 2 SanDisk 4GB SDHC cards that have never been put in the n800, and i may keep it that way.

if kingston has a lifetime guarantee, i may buy that brand. does kingston have plans for higher capacities like 16 or 32 GB cards? Do other manufacturers have lifetime guarantees and cards bigger than 8GB?

I have had wonderful warranty service from Kingston.

I had a memory stick fail in my desktop after a couple of years. When I phoned them to discuss the problem they did not try to argue about whose fault it was. They accepted both sticks from a pair for return under warranty. They sent me two new sticks by FedEx immediately (the same day). The FedEx packet included a prepaid return FedEx mailer and customs paperwork (I live in Canada) for sending back my old sticks. They did take my credit card number when they sent me the new sticks so that if I did not return the old ones then they would have charged me for the new ones. No charge appeared on my credit card.

Frankly, I was amazed as I generally don't expect anything from a company warranty - especially when they say 'lifetime warranty'.

I don't know if Kingston gives a lifetime warranty on their SD cards, but the Kingston MMC card that I just bought does have a lifetime warranty.

I now try to buy Kingston memory whenever possible.

Don.

PS. It might be worth calling Kingston to ask their opinion of using their cards in N800s. They have a vested interest in not getting warranty returns.

I bought a 8GB Kingston, which is consistently becomming corrupted under heavy loads on n800, I have never used it with USB transfer. My 2GB kingston mmc mobile also experiences corruption under heavy load.

When I say heavy load I mean untarring a 200-300MB tarball.

Under normal use I see no problems, only under heavy I/O, there is a problem with the latest firmware, no question

the only time I've had a problem with my cards so far has been a few nights ago trying to backup the internal 8g card over usb. in this case my connection was through 2 chained, powered hubs to usb 2.0. I got read errors and filesystem corruption, for which I fsck'd the card but still couldn't get a full backup. the next morning I tried with a direct connection to my usb 1.1 laptop and had no problems, then tried again with direct connection to my usb 2.0 desktop and had no problems.

rob.

Kingston 8GB fried in external slot ...used usb

Data is useless without context (in this case, a null condition to bench against)... but I do understand what you're looking for.

No problems
N800
Booting from Kingston Class 6, 8GB on internal with 4GB free space. I believe I set the cluster size to 2KB to make map storage more efficient. Been running strong with no memory card errors since day one (over a month).

How about if you check if people have used MMC cards and how they behave?