![]() ![]() ![]() Assuming you are a long distance from the router (and using Wi-Fi), moving closer to the router – if possible – should help. If these are slow or laggy, it might indicate a bad Wi-Fi or ethernet connection – something which would definitely result in slower file transfer speeds with your Synology NAS.įixing this problem can unfortunately be a case of trial and error. ![]() I would run a speed test, and also try and watch some videos on YouTube. Secondly, I would double check my internet connection. If it keeps getting maxed out, I would try and work out what is causing that – because that will likely be the cause of your slow file transfers. However I would probably click “Disk 1 (C:)” and monitor that for a little longer, because it was briefly maxed out. The CPU section of Windows Task Manager showing various CPU spikes on some threads In the case below, everything looks fairly kosher: It can also be useful to quickly check the bar graphs on the left sidebar – if one of the graphs is maxed out, that might be your problem. The first thing I would do is launch Task Manager (or its equivalent on Mac/Linux), and look at whether your CPU, RAM and disk usage is higher than expected. If it has a dodgy Wi-Fi connection, anything from watching videos to transferring files from your NAS will be slow.Įqually if a virus or malware scan is running, your hard drive might be at full utilization – meaning that there is little ‘room’ left for file transfers. While it’s easy to blame Synology for slow transfer speeds, it’s entirely possible that the issue is with your actual computer or device. It Might Be A Client Side (Computer) Issue This will ensure that the faster SMB 2 and 3 protocols will be used going forward. You should ensure that the minimum SMB protocol is SMB 2 (you do NOT want SMB 1 here), and “Enable Opportunistic Locking” should be ticked too. The SMB advanced settings on my Synology NAS admin panel Click “Advanced Settings” and you will see the following: SMB 2 and 3 use pipelining technologies to speed up file transfers, but SMB 1 is a lot more linear in how it reads and writes files.Īs a result, double check these settings by heading into your Synology NAS admin panel, launching “Control Panel” then “File Services”. However if SMB 1 is somehow enabled and the computer you are using is also somehow trying to use SMB 1, you will get slow transfer speeds. SMB 1 is slow and really insecure, leading to Microsoft stopping support of it a few years ago. There are three main versions: SMB 1, 2 and 3. This is essentially a common interface, allowing a range of different systems to read and write files in a standard way.īut just like other protocols change and adapt (think of Wi-Fi – we now have Wi-Fi 5, Wi-Fi 6 and Wi-Fi 6e), so does SMB. As a result, a protocol known as SMB (server message block) was created. The way that files are stored and organized on your Synology NAS is a little different to how other operating systems (like Windows or Mac) do it. Check You’re Using The Latest SMB Settings This can fix the issue more times than I’d like to admit!īut assuming you have tried that already (or there seems to be a more serious issue at play), let’s explore other possible causes and fixes. Also consider restarting your router (or network switch), along with the computer you are currently using. Turn It Off And Back On Again! Before trying a dozen different fixes for slow Synology file speeds, firstly reboot your NAS via the admin panel. There are quite a few different reasons why your Synology NAS experiences slow transfer speeds, but the first thing to do is… yes, you guessed it: 4 MB files should not take 6 minutes to transfer! ![]()
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