Synology RackStation RS4826xs+ 12-Bay Enterprise NAS

The RS4826xs+ is an all‑in‑one solution for central data management, backup, and surveillance. Designed to grow with your business, it features 48‑bay scalability via three RX1225RP 12‑bay 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 × 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
• 12
• Maximum Drive Bays with Expansion Unit
• 48 (RX1225RP × 3)
• 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
• 3
• Expansion Port Type
• Mini-SAS HD
• PCIe
• PCIe Expansion
• 2 x Gen4 x8 slot (x8 link)
• Appearance
• Form Factor (RU)
• 2U
• Size (Height x Width x Depth)
• 88 mm × 482 mm × 724 mm
• Weight
• 14.5 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 × 80 mm × 4 pcs
• Fan Speed Mode
• Full-Speed Mode
• Cool Mode
• Quiet Mode
• Easy Replacement System Fan
• Power Recovery
• Noise Level*
• 46.3 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
• 155.24 watts (Access)
• 76.15 watts (HDD Hibernation)
• British Thermal Unit
• 529.37 BTU/hr (Access)
• 259.67 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˚C; 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