Expansion Unit RX2417sas

Effortless capacity expansion for Synology FlashStation and RackStation solutions on-the-fly.

24-bay 2.5" SAS/SATA expansion

Easily add 24 additional drive bays to Synology FlashStation or RackStation1. Supporting 2.5" SAS/SATA drives, the RX2417sas 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 slinding rail kit RKS1317.

5 Year Warranty

Synology's 5-year limited warranty provides hardware replacement and technical support via email and telephone services, maximizing your enterprises' return on investment.

Synology Replacement Services(SRS)

SRS provides free advance replacement units as early as the next business day in selected regions, maximizing the service uptime for your mission-critical storage and ensuring your business continuity.

Hardware Specifications 
Applied ModelsFS3017*
NoteConnecting to a Synology FlashStation FS3017 requires the optional FS3017 Expansion Card (FXC17) to be installed on the host device. FS3017 Expansion Card is sold separately.
Drive Bays24
Compatible Drive Type* (See all supported drives)2.5" SAS HDD
 2.5" SAS SSD
 2.5" SATA SSD
Hot Swappable Drive 
RAID Management through Synology DSM 
External Ports 
SAS IN-port1
SAS OUT-port1
Size (Height x Width x Depth)88 mm x 482 mm x 724 mm
Weight16.6 kg
Power Supply Unit / Adapter2 x 500W
AC Input Power Voltage100V to 240V AC
Power Frequency50/60 Hz, Single Phase
Power Consumption*201.6 W (Access)
 117.2 W (HDD Hibernation)
British Thermal Unit687.89 BTU/hr (Access)
 399.9 BTU/hr (HDD Hibernation)
NotePower consumption is measured when fully loaded with Toshiba 600GB AL14SEB060N hard drive(s).
Redundant Power Supply (for RP model) 
Operating Temperature5°C to 35°C (40°F to 95°F)
Storage Temperature-20°C to 60°C (-5°F to 140°F)
Relative Humidity5% to 95% RH
System Fan60 mm x 60 mm x 4 pcs
Easy Replacement System Fan 
Noise Level*60.8 dB(A)
Warranty5 Years
Environment & Packaging 
EnvironmentRoHS Compliant
Packaging ContentMain Unit X 1
 Accessory Pack X 1
 AC Power Cord X 2
 Expansion Cable: MiniSAS-HD X 1
 Quick Installation Guide X 1