Description Further enhancing the gaming experience, Xbox 360 Memory Units allow you to save your in-game achievements and unique gamer profiles. The Memory Units are easily portable and enable quick and easy access to previously established benchmarks, putting you in control of your games and your lifestyle. You can save your games, your Xbox Live™ profile, and more with Xbox 360 Memory Units. (As taken from the description in gamestop.com).
Features
64 megs of memory to save Live or game profiles, game saves, etc
Plastic case with keychain hole included
Retail specs
Price: $39.99 (£22.99)
Release Date: Launch
Manufacturer: Microsoft
User perspective The Good:
Compact
Cheaper than hard drive
Comes with carrying case
The Bad:
Only 64megs
Lacks features of the hard drive like backward compatible play, faster loads, etc.
The Verdict: Great for having as a backup to the hard drive if the need would arise to format it. If you don't expect to download demos, trailers, patches, or play xbox 1 games then all you need is the memory card. But if you really want to take full advantage of the Xbox 360, go for a hard drive.