On AC wireless up close to the TC.. so you have a full 1300Mbps link (or very close to it).
You can assume the numbers you get are going to be close to ethernet..
Tesserax numbers show that TC is NOT limited by ethernet speed.. which would give you >100MBps
It is the processor speed of the TC and its internal limitations.
- Read: 356 Mbps (or 44.5 MBps), where Mbps = Mega bits per second and MBps = Mega Bytes per second.
- Write: 308.5 Mbps (or 38.6 MBps)
Wireless AC can easily transfer those kinds of numbers.. up close.
I did just try and reproduce it.. but my TC has never been hugely reliable.. so take it that with a bit of spruiking I can get the numbers up a bit.
This is exactly the same.. wireless connection to the TC.. which is hard wired to a synology NAS.
The test is to hard disk in the synology.
Over wireless AC remember.. they are pretty good numbers.. a bit strange.. in faster read than write.. that should be the other way around..
But it is proof of concept... that the synology is faster over wireless than the TC over gigabit ethernet.. shows the TC is simply not that fast.
Over ethernet to the synology. I get the expected read number. (write is a lot slower which is again some other issue).
Let me therefore affirm Teserrax's point..
If your networking goal requires a NAS, then use a dedicated NAS device. The Time Capsule was primarily designed for Time Machine.
Yes.. although the investment is a lot greater the end result is a lot better.. wired ethernet too although with AC wireless.. up close remember to a decent AC wireless router it is not bad.