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Comparing SIRIS 3 and SIRIS 4



This article discusses differences between the Siris 3 and Siris 4 lines.


  • Datto SIRIS 3
  • Datto SIRIS 4


New features of the Siris 4 line include:

  • Latest generation Intel Xeon and Skylake CPUs to run complex virtualized environments smoothly.
  • High endurance cache drive with Intel’s Optane NVMe SSD for faster virtualization.
  • Improved thermal/acoustics for quieter operation.
  • Error-correcting (ECC) RAM ensuring no data corruption.
  • World’s smallest purpose-built BCDR device in the form of the SIRIS 4X Business.

Hardware Comparison 

SIRIS 3 ProfessionalSIRIS 4 Professional

SIRIS 3 EnterpriseSIRIS 4 Enterprise

SIRIS 3X Professional | SIRIS 4X Professional

SIRIS 3X Enterprise | SIRIS 4X Enterprise

SIRIS 3 X2,X4 | SIRIS 4 X2,X4

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