Expansion Unit RXD1219sas

Reliable and highly scalable SAS storage expansion unit for your Synology servers

Features
Specs

On-the-fly SAS expansion up to 12 additional bays

RXD1219sas is a 2U expansion unit designed to work automatically when connected, providing an effortless storage space upgrade solution for your Synology servers. You can add up to 12 additional 2.5" / 3.5" SAS drive bays on the fly when connected directly with a mini-SAS HD cable.

Designed for maximum reliability

The redundant power supplies ensure maximum service uptime. On the rare occasion when a failure occurs, you can instantly replace the hot-swappable drive trays, and with the key system components modularized, SAS modules and system fans can also be replaced with ease.

High-performance data transmission

The mini-SAS HD provides high bandwidth connectivity to achieve maximum throughput during data transfer between your Synology server and RXD1219sas. It allows the drives in the connected RXD1219sas to operate as if they are the internal drives of the Synology server with no data latency.

5-year warranty

At Synology, we are committed to product innovation and quality. Synology guarantees a robust and reliable data management experience with a 5-year limited warranty, providing responsive technical support and hardware replacement services to maximize your return on investment.

Synology Replacement Service (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. Learn more

Backed by Synology drives

Engineered to handle high-intensity workloads, Synology hard drives consistently deliver top-grade performance.

Enterprise Series 3.5" SAS

Notes:

For complete information on compatible models, please visit www.synology.com.
The warranty period starts from the purchase date as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information.
Storage drives are sold separately. Refer to the compatibility list for compatible devices.

Hardware Specifications
Applied Models
Applied Models	Supports creating volumes across different units	SA series:SA3400D, SA3200D
	Supports creating volumes on a single unit only	UC series:UC3400, UC3200
Storage
Storage	Drive Bays	12
	Compatible Drive Type* (See all supported drives)	2.5” dual-port SAS SSD 2.5” dual-port SAS HDD 3.5” dual-port SAS HDD
	Hot Swappable Drive*
	Notes	Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability. "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
External Ports
External Ports	SAS IN-port	2
	SAS OUT-port	2
Appearance
Appearance	Size (Height x Width x Depth)	88 mm x 430.5 mm x 692 mm
	Size (Height x Width x Depth) (with server ears)	88 mm x 482 mm x 724 mm
	Weight	18.2 kg
	Rack Installation Support*	4-post 19" rack (Synology Rail Kit - RKS-02)
	Notes	The rail kit is sold separately
Power
Power	Power Supply Unit / Adapter	500 W
	AC Input Power Voltage	100V to 240V AC
	Power Frequency	50/60 Hz, Single Phase
	Power Consumption	299.79 W (Access)
	British Thermal Unit	1022.93 BTU/hr (Access)
	Redundant Power Supply
	Notes	Power consumption is measured when it is fully loaded with Seagate ST3600057SS hard drive(s).
Temperature
Temperature	Operating Temperature	0°C to 35°C (32°F to 95°F)
	Storage Temperature	-20°C to 60°C (-5°F to 140°F)
	Relative Humidity	5% to 95% RH
Others
Others	System Fan	60 mm x 60 mm x 4 pcs
	Easy Replacement System Fan
	Noise Level*	60.9 dB(A)
	Notes	Noise Level Testing Environment: Fully loaded with Seagate ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology expansion unit at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%.
Certification
Certification	FCC CE BSMI EAC VCCI RCM KC
Warranty
Warranty	5 Years
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)
Environment & Packaging
Environment
Environment	RoHS Compliant
Packaging Content
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Expansion Cable: Mini-SAS HD X 2 Quick Installation Guide X 1
Optional Accessories
Optional Accessories	Enterprise Series 3.5" SAS HDD: HAS5300 Series Rail Kit Sliding: RKS-02

Notes:

Model specifications are subject to change without prior notice.
The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
If usage requirements exceed the specifications above, please contact our regional partners for professional advice.