Qnap ts-453d slow transfer speed but fast download speed

I’m experiencing extremely slow transfer speeds when backing up my MacBook to my NAS and I can’t figure out why.

I’m using an M4 MacBook Pro and a QNAP TS-453D. Until now, the NAS has mainly been used for media streaming (Plex), and it works perfectly for that.

I recently decided to use the NAS as a backup destination for Time Machine and Carbon Copy Cloner over Wi-Fi. However, when I start a backup, the transfer speed drops to around 10 Mbps, and macOS estimates 2–3 days to complete the backup. Because of this, I usually end up cancelling the job.

What’s confusing is that when I test the connection using OpenSpeedTest, I’m getting around 400 Mbps. I’ve also tested all the Ethernet Cat5e cables, and they’re in good condition with no issues.

My network is 2.5 Gb, so these speeds make no sense at all. At this point, I’m pretty frustrated and not sure where the bottleneck is.

Any help would be greatly appreciated

Andres

Try the backup hardwired, if it works faster, wifi is your issue

Yup. WiFi speeds can vary a lot and are typically much slower than hardwired. If you must use WiFi be sure you are on 5 GHz.

Thanks. I will get a ethernet / usb c adapter and will try wired

1 Like

Thank you

Tried with my daughter’s windows computer (wired) and gave me 120mbps speed which is 5 times what I am getting with my Macbook Pro over Wifi.

Thanks

Yup. Wired connection is always mo betta!