The installation / replacement expires over without problems.
First let Memtest extensive internal through - no errors. For this reason, within 1 week working with the Macbook Pro as usual. However, the Macbook crashes since exchange of memory almost daily, if only sporadically.
Conclusion:
- Price - Performance 5 stars
- Quality and packaging 5 stars
- Delivery time 5 Stars
- Compatibility with Macbook Pro Early 2011 3 stars