No. of Client WSUS can handle

I’m planning to switch from MS SUS to MS WSUS. My main concern is how many client can the default MSDE store. I know is 2GB of Data, but equal to how many clients? Will MSDE 2005 Express be enough for 10,000 client?
Pls do not provide techincal detail on how setup WSUS. I just need know if MSDE 2005 can store 10,000 client. Cheers.