RS4826xs+

Synology RS4826xs+ 12 bay 2U Rackmount NAS

Synology RS4826xs+ 12 bay 2U Rackmount NAS, Intel Xeon D-1739 CPU, 16GB DDR4 ECC RDIMM system Memory, 6 total Memory slots up to 96 GB, 12x 3.5" SATA HDD or 2.5" SATA SSD Drive bays, 48 Maximum Drive bays with Expansion unit, Hot Swappable Drive, 2x RJ-45 10GbE LAN Port, 2x USB 3.2 Gen 1 Port, 3 Expansion Port, Mini-SAS HD Expansion Port Type, 2x Gen4 x8 slot PCI-e Expansion

Overview:

Synology RackStation RS4826xs+ 12-Bay 2U Rackmount NAS for Enterprise Storage
The Synology RackStation RS4826xs+ is a high-performance 2U rackmount NAS built for demanding enterprise environments that require fast, scalable, and reliable storage. Powered by an Intel Xeon D-1739 processor and equipped with ECC memory, it delivers exceptional performance for virtualization, centralized file storage, backup, surveillance, and business collaboration.

Designed to grow with your business, the RS4826xs+ supports expansion from 12 internal drive bays to a total of 48 drive bays, allowing organizations to scale from terabytes to petabyte-class storage. Built-in dual 10GbE networking, PCIe expansion, and SSD caching support help ensure outstanding throughput for data-intensive workloads.

Description:

The Synology RS4826xs+ is an enterprise-grade NAS solution that combines performance, flexibility, and advanced data management into a single platform. Whether you are consolidating storage, protecting business data, deploying virtualization infrastructure, or managing surveillance systems, this rackmount NAS provides the performance and scalability modern organizations demand.

Supporting expansion storage, high-speed networking upgrades, automated storage tiering, secure private cloud services, and comprehensive backup tools, the RS4826xs+ is designed to adapt as your infrastructure evolves. Part Number RS4826xs+ makes it easy to identify this enterprise storage platform when expanding or upgrading your environment.

Features:

Enterprise Performance and Scalability
Built to handle demanding workloads, the RackStation RS4826xs+ offers outstanding sequential performance while supporting substantial storage growth.

Key highlights include:

• Intel Xeon D-1739 processor
• 16GB DDR4 ECC RDIMM memory installed
• Six memory slots supporting up to 96GB
• Over 6,200 MB/s sequential read performance
• Over 3,700 MB/s sequential write performance
• Supports up to 1,152TB raw storage after expansion
• Expand from 12 to 48 drive bays using compatible expansion units

Flexible Storage Configuration
The RS4826xs+ accommodates a wide range of storage requirements, allowing businesses to balance capacity and performance.

Storage capabilities include:

• 12 x 3.5-inch SATA hard drive bays
• Support for 2.5-inch SATA SSDs
• Hot-swappable drive bays
• SSD cache support to improve IOPS and reduce latency
• Automated storage tiering for optimized capacity and performance

High-Speed Networking and Expansion
Built-in connectivity provides excellent network performance while leaving room for future upgrades.

Connectivity includes:

• 2 x 10GbE RJ-45 LAN ports
• 2 x USB 3.2 Gen 1 ports
• 3 expansion ports
• Mini-SAS HD expansion connectivity
• 2 x PCIe Gen4 x8 expansion slots

Optional networking upgrades support:

• 10GbE Ethernet
• 25GbE Ethernet
• Fibre Channel adapters
• Additional high-speed networking configurations

Designed for High Availability
The RS4826xs+ is engineered to minimize downtime and improve business continuity through multiple redundancy technologies.

Business continuity benefits include:

• Redundant power supply architecture
• Synology High Availability clustering
• Network failover support
• Link Aggregation for load balancing
• Out-of-band remote management
• Automated hardware failover

Private Cloud and Collaboration
Create a secure private cloud environment that enables employees to access and collaborate on files from virtually anywhere.

Business collaboration capabilities include:

• Secure file sharing
• Cross-platform synchronization
• Mobile, desktop, and browser access
• Permission-based file management
• Activity auditing
• Multi-site synchronization
• Hybrid cloud integration
• AI-assisted productivity applications
• Integrated collaboration tools

The platform also supports synchronization with leading cloud providers including Amazon S3, Backblaze B2, Dropbox, Google Cloud Storage, Microsoft Azure, and OpenStack Swift.

Comprehensive Backup and Recovery
Protect critical business information with integrated backup solutions covering physical, virtual, and cloud workloads.

Backup support includes:

• Windows PCs
• macOS systems
• Linux devices
• VMware environments
• Microsoft Hyper-V
• Synology NAS systems
• Microsoft 365
• Google Workspace
• Physical Windows servers
• Physical Linux servers

Advanced protection technologies include immutable snapshots, replication, versioning, deduplication, encryption, automated scheduling, and flexible recovery options.

Virtualization Ready
The RS4826xs+ integrates smoothly into virtualized infrastructures while accelerating storage operations.

Supported environments include:

• VMware vSphere
• Microsoft Hyper-V
• Citrix XenServer
• OpenStack Cinder

Additional technologies such as Windows ODX, VMware VAAI, and ALUA help improve virtualization performance and storage efficiency.

Enterprise Surveillance Platform
Beyond storage, the RS4826xs+ serves as a centralized surveillance solution capable of supporting demanding security deployments.

Surveillance capabilities include:

• Management of up to 125 IP cameras
• Compatibility with over 20,000 camera models
• Centralized monitoring
• Remote live viewing
• Playback and investigation tools
• Open API integration for AI analytics and third-party hardware

Centralized System Management
IT administrators can efficiently manage multiple Synology systems through centralized management tools that simplify monitoring and administration across distributed environments.

Management capabilities include:

• Centralized policy deployment
• Batch updates
• Task delegation
• Cloud-based fleet monitoring
• Backup status monitoring
• Performance reporting
• Login activity tracking

Technical Summary

• Part Number / SKU: RS4826xs+
• Form factor: 2U rackmount
• Processor: Intel Xeon D-1739
• Installed memory: 16GB DDR4 ECC RDIMM
• Maximum memory: 96GB
• Memory slots: 6
• Internal drive bays: 12
• Drive support: 3.5-inch SATA HDD and 2.5-inch SATA SSD
• Maximum drive bays: 48
• Hot-swappable drives: Yes
• LAN: 2 x 10GbE RJ-45
• USB: 2 x USB 3.2 Gen 1
• Expansion ports: 3
• Expansion interface: Mini-SAS HD
• PCIe: 2 x Gen4 x8 slots

Ideal Business Applications
The Synology RackStation RS4826xs+ is an excellent solution for organizations that need scalable enterprise storage with advanced data protection and centralized management.

It is well suited for:

• Enterprise file storage
• Private cloud deployment
• Virtualization storage
• Large-scale backup repositories
• Disaster recovery
• Multi-site synchronization
• Video surveillance
• Departmental storage consolidation
• High-performance business applications

Specifications:

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Specifications
Product Code	RS4826xs+
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	Yes
Memory
System Memory	16 GB DDR4 ECC RDIMM
Memory Module Pre-installed	16 GB (16 GB x 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.
Storage
Drive Bays (See all supported drives)	12 x 3.5" SATA HDD or 2.5" SATA SSD
Maximum Drive Bays with Expansion Unit	48 (RX1225RP x 3)
Hot Swappable Drive	Yes
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 x 482 mm x 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 x 80 mm x 4 pcs
Fan Speed Mode	Full-Speed Mode
	Cool Mode
	Quiet Mode
Easy Replacement System Fan	Yes
Power Recovery	Yes
Noise Level	46.3 dB(A)
Scheduled Power On / Off	Yes
Wake on LAN / WAN	Yes
Power Supply Unit / Adapter	550 watts
Redundant Power Supply	Yes
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)
	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: 24.25-25.75degreesC , Humidity: 58.2-61.8%.
Temperature
Operating Temperature	0degreesC to 35degreesC (32degreesF to 95degreesF)
Storage Temperature	-20degreesC to 60degreesC (-5degreesF to 140degreesF)
Operating Humidity	8% to 80% RH
Storage Humidity	5% to 95% RH
Certification
Certification	FCC
	CE
	BSMI
	VCCI
	RCM
	UKCA
	EAC
	CCC
	KC
	BIS
	UL
Environment
Environment	RoHS Compliant
Packaging Content
Packaging Content	Main Unit X 1
	Accessory Pack X 1
	C13 to C14 power cord X 2
	Front Cover X 1
Optional Accessories
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