Highly scalable NAS designed for virtualization, data-intensive applications, and service continuity

BELLEVUE, Wash. — January 19, 2017—Synology® Inc. today launched RackStation RS18017xs+, RS4017xs+, Expansion Unit RX2417sas and RX1217sas. The powerful rackmount servers are equipped with upgrades that enable faster data processing speeds and flexible scalability for growing businesses.

“The RS18017xs+ and RS4017xs+ offer businesses more premium storage options that bring flexibility and efficiency to IT operations,” said Michael Wang, Product Manager at Synology Inc. “The new RackStation servers come with comprehensive business services such as multiple data backup applications to protect critical business data, iSCSI support to facilitate virtualization applications, and various collaboration tools to increase work productivity.”

Powered by an Intel Xeon D-1531 six-core 2.2GHz processor (burst up to 2.7GHz), RS18017xs+ delivers outstanding performance with over 4,800 MB/s sequential read throughput and 568,000 sequential read IOPS when used with 6 x 10GbE Link Aggregation enabled1. RS18017xs+ comes with 12 drive bays supporting 3.5”/2.5” SAS/SATA drives in a 2U rack chassis, two 10GBase-T and four 1GbE ports, optional 10GbE Network Interface Cards (NIC) support, and provides flexible storage scalability up to 96 drives with the new Expansion Unit RX1217sas or 180 drives with RX2417sas.

RS4017xs+ leverages an Intel Xeon D-1541 8-core 2.1GHz processor (burst up to 2.7GHz), delivering ultra-high performance with over 4,900 MB/s sequential read throughput and 690,000 sequential read IOPS when used with 6 x 10GbE Link Aggregation enabled1. Being the first Synology RackStation in 3U chassis design, RS4017xs+ provides 16 3.5 inch SATA drive bays for high storage capacity. With two Synology RX1217/RX1217RP expansion units connected, a combined total of 40 drive bays can be freely arranged for storage management.

RS18017xs+ is equipped with 16GB DDR4 ECC RDIMM (upgradable to 128GB), and RS4017xs+ is equipped with 8GB DDR4 ECC UDIMM (upgradable to 64GB), ensuring data integrity when handling high-value data. The two RackStation servers support Synology High Availability and offer a suite of redundancy mechanisms including system fans and network ports with failover support. Redundant power supplies are also available on the RS18017xs+ and RS4017xs+ to further maximize system uptime. RS18017xs+ and RS4017xs+ both provide seamless storage solutions for virtualization environments including VMware, Citrix, Hyper-V, and OpenStack.

RS18017xs+ and RS4017xs+ run on DiskStation Manager (DSM), an advanced and intuitive NAS operating system that offers a wide range of applications to bring better productivity at work. Synology earned the highest overall ranking in the 10th TechTarget Quality Awards survey for mid-range NAS systems and also received PC Mag Business Choice Award for five years.

For information on RS18017xs+, please visit https://www.synology.com/products/RS18017xs+.

For information on RS4017xs+, please visit https://www.synology.com/products/RS4017xs+.

For information on RX2417sas and RX1217sas, please visit https://www.synology.com/products/RX2417sas and https://www.synology.com/products/RX1217sas.


RS18017xs+, RS4017xs+, RX2417sas and RX1217sas are available worldwide immediately.

Synology at a Glance

Synology creates network-attached storage, IP surveillance solutions, and network equipment that transform the way users manage data, conduct surveillance, and manage network in the cloud era. By taking full advantage of the latest technologies, Synology aims to help users centralize data storage and backup, share files on-the-go, implement professional surveillance solutions, and manage the network in reliable and affordable ways. Synology is committed to delivering products with forward-thinking features and the best in class customer services.


  1. Two optional 10GbE NICs are required

Related Posts