SIRIS, ALTO, and NAS: ALTO 3 / Datto NAS DN-3A2000 features and specifications



This article provides the layout, hardware specifications, and features for Datto's ALTO 3 and Datto NAS DN-3A2000 continuity appliances.

The Datto ALTO 3 is designed to support a maximum of four agents. See the SIRIS 4 X1 and X2 line for the first level of appliances to support more agents. 


  • ALTO 3
  • Datto NAS DN-3A2000


Device Layout

Figure 1: ALTO 3 / Datto NAS DN-3A2000, front view (click to enlarge)

Figure 2: ALTO 3 / Datto NAS DN-3A2000, rear view (click to enlarge)

Figure 3: ALTO 3 / Datto NAS DN-3A2000, top view (click to enlarge)

  1. 1 x USB 3.0
  2. 1 x USB 3.1
  3. Power Input Jack
  4. 1 x HDMI
  5. 1 x 1GbE
  6. 1 x HDMI
  7. 1 x DisplayPort
  8. Kensington Lock
  9. 1 x USB 3.0
  10. 1 x USB 3.0
  11. Power button

LED Indicator

The LED indicator represents the power state of the device:

  • Power on: The LED glows
  • Power off: The LED is off


Hardware Specifications

Model ALTO 3 / Datto NAS DN-3A2000
Weight 1.5 lb
Dimensions 5" x 5" x 2"
Capacity 1 x 2TB HDD
CPU Intel Celeron 3865U
NICs 1 x 1GbE
Dedicated OS Drive N/A
Form Factor Mini Desktop

Not supported. See the SIRIS 4 X1 and X2 line for the first level of appliances to support agent encryption.

Additional Resources

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