Microsoft Memory Unit for Xbox

Pros: Portability, backup in case HD crashes, essential for softmod process.
Cons: 8MB (or roughly 500 blocks) capacity is way too small.

Even though the idea of a memory card might seem like a worthless proposition to most XBOX users it does have a few uses. Most never bother with it since the 8GB HD(or 10GB depending on which version of the XBOX console you have) is more than sufficient ...

Pros: take your game saves and xbox live profile anywhere you go, free XBLA title
Cons: price, price, price

Early adopters of the Xbox 360 Core system had to settle with a measly 64 MB memory unit in order to save their game data and Xbox Live Arcade (XBLA) titles. After changes were made to XBLA size limits, Microsoft decided to release a 512 MB memory unit ...