Benchmarks - Copy
Directory Copy From NAS - 64kB reads
Directory Copy To NAS - Predominantly 64kB writes, wide scattering under 16kB
File Copy From NAS - 4GB file copy, 64kB reads
File Copy To NAS - 64kB writes
The battle rages on in this last benchmark graph. We can't definitely call a winner based on performance, both NAS perform so well and have their strong and weak points.
One thing is certain though; 10GbE is able to increase the performance of most tasks and will accelerate your office productivity.