Hacking ideal memory card for R4?

[esoterica]

I'm aware that the R4 only supports up to 2Gb, which is fine for me since I don't intend to carry around a hundred games, and I probably won't be using it for mp3s, videos, or homebrews that much.

Anyhow, I have been contemplating on which micro SD card to buy. I've found both 2Gb Sandisk and Kingston cards for around $20 including shipping online, and I'm not sure which one to get. I've been also looking at the Sandisk Ultra micro SD, which supposedely writes and reads much faster than an ordinary SD card.

Now my question is, is it worth it to get the ultra SD? It's a tad more, but I'm not sure if I'll really use it to it's full potential or really need it. And if not, then should I get the Sandisk or Kingston? I'm going to assume that the Kingston I'm looking at is not Japan made. Or does it not even really matter if I buy a nice name brand card or a cheapo one?

 

[Sinkhead]

The fastest ones are the ones with a serial number of 'SD-C01G JAPAN' or 'SD-C02G JAPAN'. The Taiwanese ones are slower.

 

[esoterica]

Is the SDC/2GB Japanese? Does it really matter which card I get if I don't really care if it doesn't work with Castlevania: PoR?