NAS: 1GbE vs 2.5GbE vs 10GbE
EthernetTheoretical file rate1GbE125 MB/s2.5GbE312.5 MB/s10GbE1,250 MB/s
The network is only one limit
A faster NIC helps only when the NAS disks or SSDs, RAID, client storage, CPU, switch and protocol can sustain the additional throughput.
Large files vs small files
Large sequential copies can approach the storage and network limits more easily. Many small files add metadata and filesystem work.
Start with the NAS transfer speed guide or estimate a specific copy below.
Calculate NAS transfer time →