http://www.gamersnexus.net/guides/785-ssd-dictionary-understanding-ssd-specs
SSD Dictionary: Understanding SSD Specs - The Basics
Performance
EVO
Sustained Sequential Read
540MB/s
Sustained Sequential Write
410MBps
4KB Random Read
Up to 94,000 IOPS
4KB Random Write
Up to 35,000 IOPS
MTBF
1,500,000 hours
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Kingston
Performance
Max Sequential Read
Up to 555 MB/s
Max Sequential Write
Up to 510 MB/s
4KB Random Read
Up to 85,000 IOPS
4KB Random Write
Up to 73,000 IOPS
MTBF
1,000,000 hours