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RAX120 router - SSD file transfer slow with 5gbe ethernet connection
Hello everyone,
I recently purchased
1. RAX120 AX6000 router (connected to CM1200 cable modem with monoprice CAT8 ethernet cable)
2. 15 feet Monoprice CAT8 ethernet cable connects the RAX120 router multigig port with the 10/5/2.5 gbe port of the thunderbolt 3 dock below.
3. Akitio Thunder3 Pro Dock (this has 10/5/2.5 gbe ethernet connection interface).
4. Samsung T3 500 gb SSD connected to RAX120 router through USB 3.0 port.
All this set up is connected to my 2016 15 inch macbook pro by a thunderbolt cable from the dock above.
I normally get 400 mb/sec when I connect my SSD directly to my computer, however when this SSD is connected to the RAX120 router and 5gbe connection is active through my wired set up, I only get 160-170 mb/sec.
I have all required equipments for full speed 5gbe connection and shouldn't I get 400 mb/sec with this 5Gbe set up through this router? Blackmagic speed test also gives me the same numbers when this SSD is connected to the router.
Thanks
- Just to close the topic.
I tested large file transfer on network with another ssd and top speeds are same around 150mb/sec and there was no speed slow down on the way.
I realized that speed slow down problem is related with my current ssd. I tested my current ssd with a direct connection to my computer and shows the same gradual slow down.
As a result, this router is able to provide around 150mb/sec with fastest hard drives without any geadual slow down. If anybody experience gradual slow down during large file transfer, I recommend them to check their hard drives.
17 Replies
mesencephalon wrote:
I normally get 400 mb/sec when I connect my SSD directly to my computer, however when this SSD is connected to the RAX120 router and 5gbe connection is active through my wired set up, I only get 160-170 mb/sec.
Interesting point. I have never tried running speed tests on USB devices attached to a router. It is all just background stuff here. But I would not expect it to match local speeds. Too many things to get in the way.
- If on a client with an Intel AX200 or 9260ac expect to get around 135-155 MB/s (1,080-1,240 Mbps). I also have a T5 connected to my RAX120 and also a NAS connected to the 5Gbps port. I find that the write speeds (135-155 MB/s are much faster than the reads (75-90 MB/s) which is opposite of the RAX80 where reads are (140-155 MB/s) and writes are (65-70 MB/s). Guess it might down to some SAMBA configuration issue in firmware regarding slower reads on the RAX120.
I wouldn’t expect anywhere near 400 MB/s even wired as I believe it’s peak is 200-250 MB/s for USB storage according to some reviews. You need to realize this is a router and not a high end NAS as it has an ARM Cortex A53 CPU cores and not a high power desktop Intel/AMD x86 or mobile CPU/Chipset.- To clarify I have a Samsung T5 1 TB SSD connected to the RAX120’s USB port which I used for tests above. My NAS oddly for some reason (connected via a n-base T 2.5/5/10 Gbps capable Netgear SX10 switch) can’t provide much more than a 114 MB/s even though it’s more than powerful enough (Netgear ReadyNAS 524X with an x86 CPU).
avtella wrote:
You need to realize this is a router and not a high end NAS as it has an ARM Cortex A53 CPU cores and not a high power desktop Intel/AMD x86 or mobile CPU/Chipset.You can state that one too often.
mesencephalon hasn't fallen into that trap, but a lot of people seem to think that a USB device can deliver Ethernet performance, even though a decent NAS box can cost as much as a router, even without an y drives installed.
- To clarify, if netgear provides two usb 3.0 ports which are capable of 5gbe data speed and 5gbe ethernet port at the same time, I would expect this router to provide that full speed with sufficient cpu power.
I just accept this as marketing falsification for this router then since the speed is not near usb 3.0, even though it is advertised as a usb 3.0 port.
I purchased this router due to existence of 5gbe port and wifi6 features along with usb 3.0 ports on it.
