Improve restore speed with Proxmox Backup Server

Hello, I would like to check if there's a way to improve the speed when restoring backups in my Proxmox using backups made through Proxmox Backup Server.

I have a system with Proxmox Backup Server 3.2, where the datastore is a volume connected to a NAS via NFS. The NAS has a RAID 1 setup with two disks (2x SATA HDDs) and is connected to the network through a 4-port 1Gb LACP. My Proxmox server is connected to the backup network through a single 1Gb port.

When restoring backups, I see that...

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