If you are doing large scale hosting with many front end servers, creating web farms or just want the files to be on a dedicated file server (just like a database server), then Windows Server has you covered - but only after some reconfiguration. 

Changes to the Windows File Server

Adapt these Registry setting on the File-Server. All of them a

  1. SessionManager Executive in HKLM\System\CurrentControlSet\Control\Session Manager\Executive\AdditionalCriticalWorkerThreads to e.g. 64 
  2. LanmanServer Parameters in HKLM\System\CurrentControlSet\Services\LanmanServer\Parameters\
    1. MaxThreadsPerQueue e.g. 64
    2. AsynchronousCredits e.g. 4096

For more details and other optimization as you would like them, read Microsofts guide to Performance tuning for SMB file Servers