SIRIS 6-(12 through 36) specifications
This article provides the layout and hardware specifications for Datto's SIRIS 6-(12 through 36) devices.
Environment 
- Datto S6-12
- Datto S6-18
- Datto S6-24
- Datto S6-36
Description 
For information about determining the device model from the command line, refer to Updating SIRIS and ALTO firmware.
NOTE Once the device is plugged in, it will perform a function test. As a part of this test, you will hear the fans power on briefly and you may see some lights flicker on the device as well. This is normal behavior but is NOT an indication that the device has been powered on. In order for the device to properly power on, you will need to press the power button.
Feature sets of these devices can be found here: SIRIS Features
PowerEdge R6715XL 
Device Layout

Front view (cover)
/DATTO_R6715_FRONT_BEZEL_NEW.png)
Front view
/DATTO_R6715_FRONT_TAB_NEW.png)
Rear view
/DATTO_R6715_REAR_NEW.png)
- Power Button
- USB Type C
- Faceplate release
- Storage Array drive slots
- Information tab
- HDD Activity Indicator
- OS drive*
- SLOG drive*
- USB 3.0 Type A (x2)
- VGA Port
- iDRAC Ethernet Port
- 10 GbE Network Port with LED indicator (x2)
- Power Supply Unit (PSU) connection (x2)
NOTE *For S6-24 and S6-36 The SLOG drive is moved to the drive bay marked 7 and the OS is moved internally. The identifying sticker will correspond to the drive size.
LED Behavior

Power LED: The indicator represents the power state of the device.
- Power on: Illuminated
- Power off: Dark (the LED is off)
Unit Identifier (UID) LED: The indicator will glow when the unit identification button is pressed.
Hard Drive Disk (HDD) LED: The indicator will flash amber during any HDD's read/write operation.
LAN LED: There are two LEDs for each onboard Ethernet interface, and each LED will respectively flash green during network traffic transmission.
Hardware Specifications

| Model | S6-12 | S6-18 | S6-24 | S6-36 |
| Weight | 38.0 lbs (17.3 kg) | 38.0 lbs (17.3 kg) | 38.0 lbs (17.3 kg) | 38.0 lbs (17.3 kg) |
| Dimensions | Height: 1.68 in (42.8 mm) Width: 18.97 in (482 mm) Depth: 32.16 in (816.8 mm) | Height: 1.68 in (42.8 mm) Width: 18.97 in (482 mm) Depth: 32.16 in (816.8 mm) | Height: 1.68 in (42.8 mm) Width: 18.97 in (482 mm) Depth: 32.16 in (816.8 mm) | Height: 1.68 in (42.8 mm) Width: 18.97 in (482 mm) Depth: 32.16 in (816.8 mm) |
| Capacity | 10811GiB | 16740GiB | 22364GiB | 36000GiB |
| CPU | AMD EPYC 9255 (24C/48T, 3.20GHz base) | AMD EPYC 9255 (24C/48T, 3.20GHz base) | AMD EPYC 9255 (24C/48T, 3.20GHz base) | AMD EPYC 9335 (32C/64T, 3.20GHz base) |
| RAM | 96GB (6x16GB) DDR5 RDIMM ECC | 96GB (6x16GB) DDR5 RDIMM ECC | 96GB (6x16GB) DDR5 RDIMM ECC | 192GB (6x32GB) DDR5 RDIMM ECC |
| RAID | RAID 1 (mirror) | RAID 1 (mirror) | RAID Z1 | RAID Z1 |
| NICs | 2 x 10G Copper | 2 x 10G Copper | 2 x 10G Copper | 2 x 10G Copper |
| Dedicated OS Drive | 480GB SATA SSD | 480GB SATA SSD | 480GB SATA SSD | 480GB SATA SSD |
| SLOG Drive | 960GB SATA SSD | 960GB SATA SSD | 960GB SATA SSD | 960GB SATA SSD |
| Storage Drives | 2 x 12TB SAS HDD | 2 x 20TB SAS HDD | 3 x 12TB SAS HDD (RAIDZ1) | 3 x 20TB SAS HDD |
| Form Factor | 1U | 1U | 1U | 1U |
| Power Supply | 2 x Hot Plug, Fully Redundant PSU | 2 x Hot Plug, Fully Redundant PSU | 2 x Hot Plug, Fully Redundant PSU | 2 x Hot Plug, Fully Redundant PSU |
| PSU Rating (W) | 1100W | 1100W | 1100W | 1100W |
| Agent-level encryption | Supported on SIRIS | Supported on SIRIS | Supported on SIRIS | Supported on SIRIS |