The RS6426xs+ is an allÔÇæinÔÇæone solution for central data management, backup, and surveillance. Designed to grow with your business, it features 64ÔÇæbay scalability via four RX1225RP 12ÔÇæbay expansion units, versatile networking configurations, and SSD caching support. A full suite of reliability, availability, and serviceability features ensures continuous operation.

CPU CPU Model Intel Xeon D-1739 CPU Quantity 1 CPU Cores 8 CPU Threads 16 CPU Architecture 64-bit CPU Frequency 3.0 (base) / 3.5 (turbo) GHz Hardware Encryption Engine Memory System Memory 16 GB DDR4 ECC RDIMM Memory Module Pre-installed 16 GB (16 GB +ù 1) Total Memory Slots 6 Maximum Memory Capacity 96 GB (16 GB x 6) Notes Synology may revise pre-installed memory module specifications in response to component lifecycle and supply conditions. All revised components undergo the same rigorous validation to ensure equivalent compatibility, stability, and performance. Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion. For information about recommended memory configurations, please check the Product Manual of your Synology product. Storage Drive Bays 16 Maximum Drive Bays with Expansion Unit 64 (RX1225RP +ù 4) Drive Type (See all supported drives) 3.5" SATA HDD 2.5" SATA SSD Hot Swappable Drive* Notes Compatible drives are mandatory. Please consult our compatibility list before purchasing hard drives. For more details, please refer to this article. External Ports RJ-45 10GbE LAN Port 2 Out-of-Band Management LAN Port 1 USB 3.2 Gen 1 Port 2 Expansion Port 4 Expansion Port Type Mini-SAS HD PCIe PCIe Expansion 2 x Gen4 x8 slot (x8 link) Appearance Form Factor (RU) 3U Size (Height x Width x Depth) 132.3 mm +ù 482 mm +ù 656.5 mm Weight 17.9 kg Rack Installation Support* 4-post 19" rack (Synology Rail Kit - RKS-02) Notes The rail kit is sold separately Others System Fan 80 mm +ù 80 mm +ù 3 pcs Fan Speed Mode Full-Speed Mode Cool Mode Quiet Mode Easy Replacement System Fan Power Recovery Noise Level* 42.2 dB(A) Scheduled Power On / Off Wake on LAN / WAN Power Supply Unit / Adapter 550 watts Redundant Power Supply AC Input Power Voltage 100 V to 240 V AC Power Frequency 50/60 Hz, Single Phase Power Consumption 165.45 watts (Access) 73.38 watts (HDD Hibernation) British Thermal Unit 564.92 BTU/hr (Access) 250.55 BTU/hr (HDD Hibernation) Notes For more information on how power consumption is measured, refer to this article. Noise testing was conducted with the Synology system fully installed with Synology SATA SSDs and in an idle state. Two G.R.A.S. type 40AE microphones were placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75-ÜC; Humidity: 58.2-61.8%. 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) Operating Humidity 8% to 80% RH Storage Humidity 5% to 95% RH Certification FCC CE BSMI VCCI RCM UKCA EAC CCC KC BIS UL Warranty 5 Years Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) Environment RoHS Compliant Packaging Content Main Unit X 1 Accessory Pack X 1 C13 to C14 power cord X 2 Front Cover X 1 Optional Accessories DDR4 ECC RDIMM: D4ER02-16G Expansion Units: RX1225RP Enterprise Series 3.5" SATA HDD: HAT5300 Series Enterprise Series 2.5" SATA SSD: SAT5200 Series M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1 M.2 SSD Adapter Card: M2D20 25GbE Network Interface Card: E25G30-F2 10GbE Network Interface Card: E10G30-F2/E10G30-T2/E10G30-T1 Rail Kit Sliding: RKS-02

Last updated: Wednesday, 20 May 2026

Warranty

This product is sourced in Australia and carries a full Australian Manufacturers Warranty