For backups discarded plates a good choice

Initial situation:
I have equipped my computer with a new hard drive recently. Replaces I unexpectedly instead of a 500GB drive two drives with 250 GB. So why not "out of necessity to make a virtue" and continue to use the two for a rotating backup (eg locker)?

My requirements:
- Competitively priced housing (since, after all, two of which are necessary)
- Nevertheless, good protection of the plate against external influences
- Fast data transfer via USB 3.0
- No more planned conversion: if a disk will limp makes "buried" together with the housing

The (provisional) result:
The CN Memory housing is a direct hit for my purposes!

Easy installation (well, a little screw was missing, but I still had spare da)
and everything works fine under Windows 8.1.

Some criticisms:
If I need the following in the future in an external case, I look for an alternative to prefer:

1. "Constant companion on the go"
Relatively simple plastic, it will attract dust and scratches magically ...

2. "long-distance runner"
The cooling is mE not designed for continuous operation, as neither slots on the top
even metal / heat sink or heat dissipation from the interior are available ...

3. "eye-catcher for the desktop"
I certainly had no stand here ;-) And anyway speaks volumes 1. ...

4. "Common pit stops"
Plate changes do I need not thankfully! Without having tried it affects the "locking mechanism"
with its plastic noses not inspire much confidence for continuous use ...

As soon as something new respect. Speed ​​or reliability (case, power supply) returns, I will update my review accordingly.