We are testing the Synology DS214 within our gigabit network which is pretty much as good as you will get for a home or small office environment. It is a mixed network with several 1GBit switches for ultimate performance.
All tests are performed ten times to ensure that no abnormalities can creep into the final results.
As we would expect with a Synology product, the performance is good. We couldn't quite reach the claimed read or write speeds around 100 MB/sec.