I'm running Mountain Lion OS on my MacBook Air, I am new to Macs so learning my way through the setup process.

So, I tried to unify Working groups of NAS (D-Link and Synology), iMac and MacBook Pro and then I put IP of my Box as WINS Server. Using Synology Drive it takes almost same time (1 min 58 s, 26,29 Mb/s). And it seems to be the solution (for me). This is great news if you want to access all your storage options in the same place. On your Mac desktop, open the “Go” menu, and then select the “Connect to Server” command. D-Link NAS use AFP and Synology SMB … Check SMB Direct (Windows 10 Pro only I think. With zip file moving it on Finder (Mac folder to NAS folder, drag'n'drop, Samba, no encryption or shared folder compression) it took 2 min 3 s (25,23 Mb/s). If I'm not mistaken, CIFS is an older protocol branching from SMB, correct?
I have a Synology NAS on my home network, when I try to connect to my NAS by clicking 'Go' then 'Connect to the server'. Go to Control Panel-->Programs-->Turn Windows features on or off.

Change Maximum SMB protocol to SMB3. Change Minumum SMB protocol to SMB2 with large MTU. I then type in 'smb://'. The most common issue is the non-existent activation of the vfs_fruit Samba module for SMB3.x connections on Synology NAS’. It was introduced in Mac OS X Leopard quite a few years ago and has become a backup essential for Mac users worldwide. On the SMB/AFP/NFS tab, select Advanced Settings. NAS drives are a great way to create a Personal Cloud, but until now it wasn’t easy to connect to them in the Files app. This article is intended for enterprise and education system administrators. In order to activate this module, you’ll need to SSH your NAS and change the smb.conf file in accordance. The screenshot is an example. In the text box, type smb:// followed by the name of your NAS or its local IP address. On Windows 10. With the growth of popularity in NAS devices from Synology and 3rd party clouds like Google Drive, Amazon Drive and CrashPlan it has become a common requirement to store backup images of a Mac system off-site. macOS Finder has been notoriously slow handling some Samba file shares, and Synology users are well aware of this.. Hit “Connect” to continue. That all changes with iPadOS and iOS 13, which introduce SMB compatibility to Files on your iPhone or iPad.

The letters SMB were in their question. On Synology NAS.
What might assist is to go to Finder, knowing the IP of your server you want to connect to, and to browse for it, connecting directly. When I connect to my Synology from my Mac using SMB, DSM shows I am connected using the CIFS protocol (under connected users). Uncheck SMB 1.0/CIFS. But you can make adjustments to optimize SMB browsing in enterprise environments. Go to Control Panel-->File Services. In macOS High Sierra 10.13 and later, the default settings for browsing network folders such as Server Message Block (SMB) shares are ideal for most organizations and users. In that case, would SMB still be preferred over AFP?