Windows 11 PRO 22H2 Slow SMB Download

  • Thread starter Thread starter MSKrzysztof
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MSKrzysztof

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I use Windows 11 PRO 22H2 to transfer files to my NAS server.The transfer speed of big files (3GB+) from Windows to NAS is on expected level. The transfer speed is about 260+ MB/s on 2.5 Gbps connection, if connection is 2x2.5 Gbps (multichannel SMB is ON) the transfer speed is about 550+ MB/s. It works more or less OK. BUT, the transfer speed of big files (3GB+) from NAS to Windows is very low. The transfer speed is about 140 MB/s (stable) on 2.5 Gbps connection and 280-290 MB/s (stable) on multichannel SMB connection (2x2.5 Gbps). So, reading files from NAS is 2 times slower than writing the

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