The 480GB SSD Series 520 replaces me a 160 GB V 25 SSD from Intel. The performance index of Windows 7 has increased from 7.7 to 7.9. Dr. Hardware both writing and reading about the dual power values at 520 compared to the V25 showed. Emotionally, the plate is more explosive than the previous record. Even relatively large files are virtually without delay since after the click. When V25 which lasted a split second longer. The purchase is not worthwhile because of the speed advantage mE of course, but if you must for larger capacity requirements on a larger transfer, has the speed advantage. In addition as a bonus
After the first day of the impression is excellent as was the case of the V25.
The previous panel made during the lifetime of any problems and both the tool software and firmware update had run smoothly. I suppose therefore the higher price in buying because the security of my data is worth the extra cost to me. A fault would be come more expensive.
February 2013 Note: The disk is in use daily. I am still very satisfied. It is super fast and reliable. There is no reason for complaints.