Synology Inc.

RackStation RS2423RP+II RackStation RS2423RP+II

RackStation RS2423RP+II

Efficient storage for centralized data management

Features Specs

Trusted by professionals across all industries.

Information Technology Manager - Government

Director of Enterprise Infrastructure - Education

Director Media Services - Media

Senior Systems Engineer - Media

CEO - IT Services

Server Administrator - Retail

Secure storage for your business

Download Datasheet

Business-readyOver 3,500/1,700 MB/s seq. read/write, built-in 10GbE, and up to 240 TB raw storage before expansion.

Flexible configurationAdd 12 extra drive bays, 1/10/25GbE ports, and SSD cache volumes whenever needed.

Versatile applicationsBack up 300 endpoints, manage 75 IP cameras, or safely sync and share files between devices and sites.

Faster and more responsive

The RS2423RP+II offers exceptional performance with over 155K/79K random read/write IOPS and up to 3,500/1,700 MB/s sequential read/write throughput. They are the perfect cost-effective file management and sharing solution for SMBs and come equipped with advanced backup capabilities designed for businesses with expanding data needs.

4K Random IOPS

Sequential Throughput

The RS2423+ features 27% faster sequential reads and 26% faster sequential writes compared to its predecessor

The RS2423+ features 60% faster random 4K IOPS reads and 16% faster random 4K IOPS writes compared to its predecessor

Designed for reliability

The RS2423RP+II comes with one 10GbE RJ-45 port and two Gigabit RJ-45 ports, which can be bonded with Link Aggregation to enable automatic network failover and load balancing.

Two RS2423RP+II units can be paired using Synology High Availability to form a reliable active-passive server cluster, maximizing service uptime.

The RS2423RP+II also features redundant and hot-swappable power supply units to protect service continuity in case there are issues with one power source.

Room for expansion

Easily adjust the 2U 12-bay RS2423RP+II to match the usage of your environment, whether it needs performance, faster networking, or higher storage capacity.

Storage expansion

Add 12 extra drive bays for a total of 24 drive bays with a RX1223RP expansion unit.

SSD cache

Boost read/write IOPS for HDD arrays with NVMe or SATA SSD cache.

Flexible networking options

Improve I/O or add redundancy with 10/25GbE SFP+/SFP28 or RJ-45 networking.

Versatile storage for businesses

The RS2423RP+II is ideal for small to medium-sized businesses and branch offices seeking a high-performing, reliable, and cost-efficient storage solution for file management, data backup, and surveillance.

Intuitive storage for on-site and remote teams

Multi-endpoint data protection

Smart and scalable surveillance

Intuitive storage for on-site and remote teams

Provide secure and convenient cross-platform file access, sharing, and synchronization across multiple locations.

Private file cloud

Enable efficient collaboration with Synology Drive

Synology Drive provides remote data access, synchronization, on-demand file restoration, and backup via handy desktop and mobile applications.Learn more

Multi-platform support

Access personal and shared data from mobile apps, desktop clients, web browsers, or another Synology system. Any changes you make are automatically synced to other devices as soon as they are connected.

Collaborate in real time

Enable concurrent editing of documents, spreadsheets, and slides with Synology Office, with support for conversion to and from Microsoft Word, Excel, PowerPoint, and OpenDocument files.Learn more

Efficient multi-site synchronization

Connect teams with Hybrid Share

Use Hybrid Share to store large sets of data in the cloud, leveraging the large bandwidth of our data centers to stream requested files to local NAS deployed at the branch offices.

Learn more

Reliable data access on demand

With Hybrid Share-enabled folders, remote teams retain full access to the most up-to-date files while benefiting from a reduced local storage footprint and lower bandwidth usage.

Local caching of most-used data

Frequently-accessed files are kept on the local NAS, allowing users to access them at LAN speeds. Files and folders can also be pinned manually to prevent them from being replaced when the cache is full.

Multi-endpoint data protection

Design an effective backup strategy to maximize data and system availability with a host of native and license-free solutions.

Consolidated backup server

Endpoint, VM, and NAS/SAN protection

Securely back up Windows, Mac, and Linux endpoints, Synology servers, and VMware® and Hyper-V® virtual machines with Active Backup for Business.Learn more

Microsoft 365 and Google Workspace

Centralize backups of Microsoft 365 and Google Workspace data to protect cloud data from accidents and simplify compliance with data retention policies. Schedulable backups, flexible file versioning, and block-level deduplication ensure flexibility and savings in terms of storage and bandwidth consumption.Learn more

Data protection and recovery

Hyper Backup

Back up files, LUNs, installed applications, and system configurations to destinations including Synology C2 Storage,public cloud platforms, USB devices, file servers, local folders, and other Synology systems.
Set and forget backup tasks with regular schedules, enhance security with granular user permissions and encryption, keep backup sizes small with built-in deduplication, and restore data flexibly with multi-versioning.

Snapshot Replication

Snapshot Replication enables configurable point-in-time snapshots of shared folders and VM storage with an RPO as low as 5 minutes and recovery within seconds.Learn more

Smart and scalable surveillance

Leverage flexible deployment options, intuitive management capabilities, and advanced video analytics to secure your premises.

Simple-to-deploy local surveillance

Wide device compatibility

Connect up to 75 IP cameras from a selection of over 8,600 validated models thanks to Synology Surveillance Station’s wide camera compatibility.

Multi-platform convenience

Monitor live streams or watch recordings from web browsers, desktop clients, or the DS cam mobile app.

Secure and private storage

Footage is stored locally for easier compliance with data protection regulations and further protected from unauthorized access with industry-standard AES-256 encryption.

Flexible monitoring of multiple locations

Assisted camera deployment

Automatically locate new cameras within a set IP range, and configure units in batch via spreadsheet import or replicating settings to new cameras.

Centralized management and monitoring

Stay on top of your deployment by previewing triggered events directly on multi-floor or multi-location maps, with online map integration for Google Maps and OpenStreetMap.

Time-saving video analytics

Take advantage of intelligent monitoring features such as motion detection, no-idle zones, foreign object detection, and anomaly detection that cater to common surveillance scenarios.

Works best with Synology drives

Enjoy high sustained performance and reliability with enterprise-grade drives designed for Synology NAS, featuring built-in data protection.

HDD

Enterprise Series 3.5" SATA

Plus Series 3.5" SATA

SSD

Enterprise Series 2.5" SATA

Enterprise Series M.2 NVMe

Synology has you covered

The RS2423RP+II is backed by Synology’s 3-year hardware warranty. An optional 2-year extended warranty is available in select regions to extend coverage to 5 years.

Learn more

Hardware Overview

1Power Button and Indicator
2Status Indicator
3Alert Indicator
4Mute Button
5Drive Status Indicators

6Drive Trays
7Rail Kit Release Tabs
8PSU Fans
9Power Ports
10Console Port

11PCI Express Expansion Slot
12PSU Indicators
131GbE RJ-45 Ports
1410GbE RJ-45 Port
15USB 3.2 Gen 1 Ports

16Expansion Port
17Reset Button

Notes:Gartner® and Peer Insights™ are trademarks of Gartner, Inc. and/or its affiliates. All rights reserved. Gartner Peer Insights content consists of the opinions of individual end users based on their own experiences, and should not be construed as statements of fact, nor do they represent the views of Gartner or its affiliates. Gartner does not endorse any vendor, product or service depicted in this content nor makes any warranties, expressed or implied, with respect to this content, about its accuracy or completeness, including any warranties of merchantability or fitness for a particular purpose.Performance figures are obtained through internal testing by Synology. Actual performance may vary depending on the testing environment, usage, and configuration. See performance charts for more information.RS2423RP+II supports up to 24 drives with the addition of a Synology RX1223RP expansion unit, sold separately.SSD cache can be enabled using SNV3400/SNV3500 NVMe SSDs along with an M2D20 or E10M20-T1 adapter card, or by using a compatible 2.5" SATA SSD. All add-ons are sold separately.For the most up-to-date list of compatible NICs, please check our compatibility list.C2 Storage for Hyper Backup and Hybrid Share requires purchase of an eligible annual or monthly subscription. A free trial is available for each newly registered device.Surveillance Station includes 2 free licenses. Connecting more cameras and devices requires additional licenses. Learn more Check the compatibility list for supported drives.The warranty period starts from the date of purchase as stated on your purchase receipt. Visit https://www.synology.com/company/legal/warranty for more information.

Hardware Specs

Software Specs

Hardware Specifications
CPU
CPU	CPU Model	AMD Ryzen V1780B
	CPU Quantity	1
	CPU Cores	4
	CPU Threads	8
	CPU Architecture	64-bit
	CPU Frequency	3.35 (base) / 3.6 (turbo) GHz
	Hardware Encryption Engine
Memory
Memory	System Memory	8 GB DDR4 ECC UDIMM
	Total Memory Slots	2
	Maximum Memory Capacity	32 GB (16 GB x 2)
	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 multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations.
Storage
Storage	Drive Bays	12
	Maximum Drive Bays with Expansion Unit	24 (RX1223RP x 1)
	Drive Type (See all supported drives)	3.5" SATA HDD 2.5" SATA SSD
	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.
External Ports
External Ports	RJ-45 1GbE LAN Port	2
	RJ-45 10GbE LAN Port	1
	USB 3.2 Gen 1 Port	2
	Expansion Port	1
	Expansion Port Type	Mini-SAS HD
	Notes	MTU value of 1GbE LAN port has a limit of 1500.
PCIe
PCIe	PCIe Expansion	1 x Gen3 x8 slot (x4 link)
Appearance
Appearance	Form Factor (RU)	2U
	Size (Height x Width x Depth)	88 mm x 482 mm x 578 mm
	Weight	11.9 kg
	Rack Installation Support*	4-post 19" rack (Synology Rail Kit - RKS-02)
	Notes	The rail kit is sold separately
Others
Others	System Fan	60 mm x 60 mm x 3 pcs
	Fan Speed Mode	Full-Speed Mode Cool Mode Quiet Mode
	Easy Replacement System Fan
	Power Recovery
	Noise Level*	56.2 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	114.86 watts (Access) 42.33 watts (HDD Hibernation)
	British Thermal Unit	392.18 BTU/hr (Access) 144.53 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
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
Certification	FCC CE BSMI VCCI RCM UKCA EAC CCC KC BIS UL
Warranty
Warranty	3-year hardware warranty, extendable to 5 years with EW202
	Notes	The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more) EW201/EW202 is only available in Asia, Africa, and Oceania. Refer to the Extended Warranty website for details on supported countries/regions. (Learn more)
Environment
Environment	RoHS Compliant
Packaging Content
Packaging Content	Main Unit X 1 Accessory Pack X 1 AC Power Cord X 2 Quick Installation Guide X 1
Optional Accessories
Optional Accessories	DDR4 ECC UDIMM: D4EU02-8G/D4EU02-16G Expansion Units: RX1223RP Enterprise Series 3.5" SATA HDD: HAT5300 Series Plus Series 3.5" SATA HDD: HAT3300 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/E10G18-T1 Rail Kit Sliding: RKS-02
	Notes	For multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations. Certain items may not be available in your location. Please contact your local distributors for more information.

DSM Specifications
Storage Management
Storage Management	Maximum Single Volume Size	200 TB (32 GB memory required) 108 TB
	Maximum Internal Volume Number	64
	SSD Read/Write Cache (Determining cache size)
	SSD TRIM
	Supported RAID Type	Synology Hybrid RAID Basic JBOD RAID 0 RAID 1 RAID 5 RAID 6 RAID 10
	RAID Migration	Basic to RAID 1 Basic to RAID 5 RAID 1 to RAID 5 RAID 5 to RAID 6
	Volume Expansion with Larger HDDs	Synology Hybrid RAID RAID 1 RAID 5 RAID 6 RAID 10
	Volume Expansion by Adding a HDD	Synology Hybrid RAID JBOD RAID 5 RAID 6
	Global Hot Spare Supported RAID Type	Synology Hybrid RAID RAID 1 RAID 5 RAID 6 RAID 10
	Notes	Volumes over 108 TB require 32 GB of memory or more. Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration. Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored.
File System
File System	Internal Drives	Btrfs
	External Drives	Btrfs ext4 ext3 FAT32 NTFS HFS+ exFAT
File Services
File Services	File Protocol	SMB AFP NFS FTP WebDAV Rsync
	Maximum Number of SMB Connections (FSCT-Based)	510
	Windows Access Control List (ACL) Integration
	NFS Kerberos Authentication
	Notes	Connection value of this model is tested with Synology SATA HDD fully populated and all onboard network ports Models with expandable memory are tested with the maximum supported quantity installed. SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3, with the following configuration: Test workload: HomeFolder scenario provided by the FSCT tool Test duration: 600 seconds Domain controller & FSCT controller: Windows Server 2022 FSCT clients: 8 × Windows 10 machines SMB feature: Directory leasing enabled
Account & Shared Folder
Account & Shared Folder	Maximum Local User Accounts	1,024
	Maximum Local Groups	256
	Maximum Shared Folder	256
	Maximum Shared Folder Sync Tasks	12
Hybrid Share
Hybrid Share	Hybrid Share Folder Number	10
Hyper Backup
Hyper Backup	Data & Folder Backup
	Entire System Backup
High Availability
High Availability	Synology High Availability
Log Center
Log Center	Syslog Events per Second	1,000
Virtualization
Virtualization	VMware vSphere	ESXi 8.0 U2, ESXi 8.0 U1, ESXi 8.0, ESXi 7.0 U3, ESXi 7.0 U2, ESXi 7.0 U1, ESXi 7.0, ESXi 6.7 U3, ESXi 6.7 U2, ESXi 6.7 U1, ESXi 6.7, ESXi 6.5 U3, ESXi 6.5 U2, ESXi 6.5 U1, ESXi 6.5
	Microsoft Hyper-V	Windows Server 2022
	Citrix XenServer	XenServer 8, Citrix Hypervisor 8.2 LTSR CU1
	OpenStack	Cinder
General Specifications
General Specifications	Supported Protocols	SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
	Supported Browsers	Chrome Firefox Edge Safari
	Supported Language	English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文
	Notes	For an updated list of supported browser versions, check the DSM Technical Specifications.
Add-on Packages view the complete package list
Central Management System
Central Management System
Synology AI Console
Synology AI Console	Third-Party AI Model Integration
	Maximum De-Identification Rate	510 words per second
	Notes	De-identification performance measurement: Filters for Credit Card Numbers, IBAN, Individual Taxpayer Identification Number, SSN, and Names applied to a 4,355-word English text. To enable de-identification, your device must have at least 8 GB of memory and Container Manager installed.
Synology Chat
Synology Chat	Maximum Number of Users	150
	Notes	Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds. Models with expandable memory are tested with the maximum supported quantity installed.
Download Station
Download Station	Maximum Concurrent Download Tasks	80
SAN Manager
SAN Manager	Maximum iSCSI Target Number	64
	Maximum LUN	128
	LUN Clone/Snapshot, Windows ODX
Synology MailPlus / MailPlus Server
Synology MailPlus / MailPlus Server	Free Email Accounts	5 (Additional accounts require purchase of licenses)
	Maximum Number of Users	1,080
	Notes	The suggested maximum number of users is based on the following workload: 20% of users with a 20,000 item mailbox randomly performing actions and receiving 240 emails per day, and 80% of users receiving 20 emails per day. Learn more Models with SSD support are tested with a single SSD volume. Models with expandable memory are tested with the maximum supported quantity installed. Learn more about memory requirements. Operating in high-availability mode will incur additional overhead. Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning, and full-text search (English).
Media Server
Media Server	DLNA Compliance
Synology Photos
Synology Photos	Facial Recognition
	Object Recognition
Snapshot Replication
Snapshot Replication	Maximum Snapshots per Shared Folder	256
	Maximum Snapshots per LUN	64
	Maximum Snapshots per System	4,096
	Maximum Replication Tasks for Shared Folders	32
	Maximum Replication Tasks for LUNs	16
	Maximum Replication Tasks per System	32
Surveillance Station
Surveillance Station	Default Licenses	2 (Additional cameras require purchase of licenses)
	Maximum IP Cameras and Total FPS (H.264)	1080p: 75 channels, 2100 FPS 3M: 75 channels, 1500 FPS 5M: 75 channels, 900 FPS 4K: 55 channels, 550 FPS
	Maximum IP Cameras and Total FPS (H.265)	1080p: 75 channels, 2250 FPS 3M: 75 channels, 2250 FPS 5M: 75 channels, 1500 FPS 4K: 75 channels, 900 FPS
	Notes	Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration, and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features, and the presence of additional workloads. Use NVR Selector to quickly find a suitable model based on your requirements. The number of video channels that can be viewed simultaneously is double the maximum number of cameras for the same codec and resolution.
Synology Drive
Synology Drive	Maximum Number of Users	930
	Maximum Number of Hosted Files	15,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
	Notes	The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete), and 80% of users are logged in but idle. Learn more Models with SSD support are tested with a single SSD volume. Models with expandable memory are tested with the maximum supported quantity installed. Exceeding the recommended numbers above will not block application operations, but may result in longer response time. Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Synology Office	Maximum Number of Users	900
	Notes	The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals, and 80% of users are logged in and viewing a file. Learn more Models with SSD support are tested with a single SSD volume. Models with expandable memory are tested with the maximum supported quantity installed. Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Virtual Machine Manager
Virtual Machine Manager	Recommended Virtual Machine Instances	8 (Learn more)
	Recommended Virtual DSM Number (Licenses required)	8 (including 1 Free License)
	Notes	The specifications vary depending on system configuration and memory size.
VPN Server
VPN Server	Maximum Connections	12

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.