Effortless capacity expansion for Synology FlashStation and RackStation solutions on-the-fly.
12-bay 3.5"/2.5" SAS/SATA expansion
Easily add 12 additional drive bays to Synology FlashStation or RackStation1. Supporting both 2.5" and 3.5" SAS/SATA drives, the RX1217sas is a flexible solution supporting on-the-fly volume expansion or serving as a local backup destination.
Maximum reliability design
Dual power supplies ensure continuous service uptime. Easily replace defective drives with the hot swappable drive trays. Experience fast and secure rack cabinet installation with the optional sliding rail kit RKS1317.
Power | Power supply unit (PSU) capacity | 500 W |
 | Number of power supply units | 2 |
| Redundant power supply (RPS) support | Yes |
| Power consumption (typical) | 132.7 W |
| AC input voltage | 100 - 240 V |
| AC input frequency | 50 - 60 Hz |
Operational conditions | Operating temperature (T-T) | 5 - 35 °C |
| Operating relative humidity (H-H) | 5 - 95 % |
| Storage temperature (T-T) | -20 - 60 °C |
| Storage relative humidity (H-H) | 5 - 95 % |
| Operating altitude | 0 - 5000 m |
Logistics data | Harmonized System (HS) code | 84717020 |
Design | Chassis type | Rack (2U) |
| Product colour | Black |
| LED indicators | Yes |
| Cooling | Yes |
| Number of fans | 4 fan(s) |
| Noise level | 60.9 dB |
| Fan diameter | 60 mm |
| Rack rails | Yes |
| Certification | FCC, BSMI, EAC, RCM, KC |
Ports & interfaces | SAS host port | Yes |
| Number of SAS host ports | 2 |
Performance | Device class | Large Enterprise Business |
| Compatible products | Synology FS6400, FS3600, FS3400, FS3017, FS2017, SA3600, SA3400, RS18017xs+ |
Technical details | Sustainability certificates | UL ECOLOGO |
| Compliance certificates | CE, RoHS |
| Sustainability compliance | Yes |
Storage | Storage drives installed | Yes |
| Installed storage drive type | HDD |
| Number of storage drives installed | 12 |
| Total installed storage capacity | 96 TB |
| Supported storage drive types | HDD & SSD |
| Number of storage drives supported | 12 |
| Maximum supported storage capacity | 192 TB |
| Storage drive capacity | 8000 GB |
| Supported storage drive interfaces | SAS, Serial ATA III |
| Storage drive sizes supported | 2.5,3.5 " |
| Hot-swap drive bays | Yes |
Packaging content | Cables included | AC, MiniSAS |
| Power cables quantity | 1 |
| Drive bay locking | Yes |
Weight & dimensions | Width | 482 mm |
| Depth | 724 mm |
| Height | 88 mm |
| Weight | 18000 g |