Synology DS423+ NAS 4-bay DiskStation (Diskless) Retail

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$641.72

Brand : Synology

Collection : NAS Appliance

Product Type : NAS

SKU : AS24a 272756 - DS423+

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Vendor: Synology
SKU: 272756
MPN: DS423+

Marketing Information
DiskStation DS423+
A compact storage hub with 100% data ownership

Conquer home office data chaos
• Capable and compact
Powerful functionality packed into a 4-bay chassis
• Consolidate and share
Store, organize, and share up to 72 TB of data.
• Integrated data protection
Contains hardware and software safeguards engineered to protect your data — trusted by millions.

A capable all-around performer
The versatile DS423+ can serve as a central storage device as well as a multimedia hub.
Up to 226/224 MB/s read/write
(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.)
2 x M.2 NVMe SSD slots
(Synology SNV3400 series M.2 NVMe SSD drives can be installed through the built-in M.2 slots to enable SSD caching or create SSD storage pools. Drives are sold separately.)
2 x 1GbE LAN ports

Btrfs: advanced file system for data protection
The Synology DiskStation Manager (DSM) operating system that powers DS423+ uses the advanced Btrfs file system, which safeguards your data against corruption and allows for the reversal of any unintended or malicious changes through the use of snapshot technology.

Store, share, and protect
Manage all your documents, photos, and other files, back up applications and devices, and protect your physical assets with professional video surveillance.

Detail Specifications
Hardware Specs
CPU
CPU Model
Intel Celeron J4125
CPU Quantity
1
CPU Architecture
64-bit
CPU Frequency
4-core 2.0 (base) / 2.7 (turbo) GHz
Hardware Encryption Engine (AES-NI)
Yes
Memory
System Memory
2 GB DDR4 non-ECC SODIMM
Total Memory Slots
1
Maximum Memory Capacity
6 GB (2 GB + 4 GB)
Notes
Synology reserves the right to replace memory modules with the same or higher frequency based on suppliers product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical 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 more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
Storage
Drive Bays
4
M.2 Drive Slots
2 (NVMe)
Compatible Drive TypeNote (See all supported drives)
3.5" SATA HDD
2.5" SATA SSD
M.2 2280 NVMe SSD
Hot Swappable DriveNote
Yes
Notes
The hot swappable drive feature is not supported by M.2 SSD slots.
"Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
External Ports
RJ-45 1GbE LAN PortNote
2 (with Link Aggregation / Failover support)
USB 3.2 Gen 1 PortNote
2
Notes
This devices 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
File System
Internal Drives
Btrfs
EXT4
External Drives
Btrfs
EXT4
EXT3
FAT
NTFS
HFS+
exFAT
Others
System Fan
92 mm x 92 mm x 2 pcs
Fan Speed Mode
Full-Speed Mode
Cool Mode
Quiet Mode
Brightness Adjustable Front LED Indicators
Yes
Power Recovery
Yes
Noise LevelNote
19.8 dB(A)
Scheduled Power On / Off
Yes
Wake on LAN / WAN
Yes
Power Supply Unit / Adapter
90 W
AC Input Power Voltage
100V to 240V AC
Power Frequency
50/60 Hz, Single Phase
Power Consumption
28.3 W (Access)
8.45 W (HDD Hibernation)
British Thermal Unit
96.5 BTU/hr (Access)
28.81 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 HDDs and in an idle stae. Two G.R.A.S. Type 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A) Temperature: 24.25-25.75C Humidity: 58.2-61.8%

Temperature
Operating Temperature
0oC to 40oC (32oF to 104oF)
Storage Temperature
-20oC to 60oC (-5oF to 140oF)
Relative Humidity
5% to 95% RH
Certification
FCC
CE
BSMI
VCCI
RCM
UKCA
EAC
CCC
KC
Environment
RoHS Compliant
Packaging Content
Main Unit X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
RJ-45 LAN Cable X 2
Quick Installation Guide X 1
Optional Accessories
DDR4 non-ECC SODIMM: D4NESO-2666-4G
3.5" SATA HDD: HAT5300/HAT3300
2.5" SATA SSD: SAT5210
M.2 2280 NVMe SSD: SNV3410
Surveillance Device License Pack
Notes
All memory modules will operate at the maximum frequency specified by the CPU manufacturer.
Notes:
1.Model specifications are subject to change without prior notice.
2.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.
3.The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
4.If usage requirements exceed the specifications above, please contact our regional partners for professional advice.
Software Specs
DSM Specifications

Maximum Single Volume SizeNote
108 TB
Maximum Internal Volume Number
64
M.2 SSD Storage Pool SupportNote
Yes
SSD Read / Write Cache (White Paper)
Yes
SSD TRIM
Yes
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
Global Hot Spare Supported RAID Type
Synology Hybrid RAID
RAID 1
RAID 5
Notes
Creating M.2 storage pools requires the use of Synology-verified SSDs, which are rigorously tested under extreme temperature conditions. Thermal parameters for SSDs and NAS units are fine-tuned to ensure optimal management of thermal conditions under I/O-intensive environments. (Learn more)
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.
Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available, and the RAID configuration.
File Services
File Protocol
SMB/AFP/NFS/FTP/WebDAV
Maximum Concurrent SMB/AFP/FTP Connections
500
Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion)
1,500
Windows Access Control List (ACL) Integration
Yes
NFS Kerberos Authentication
Yes
Notes
Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted the minimum transfer speed was not guaranteed.
Account and Shared Folder
Maximum Local User Accounts
2,048
Maximum Local Groups
256
Maximum Shared Folder
512
Maximum Shared Folder Sync Tasks
8
Hybrid Share
Maximum Hybrid Share Folders
10

Hyper Backup
Data and Folder Backup
Yes
Entire System Backup
Yes
Notes
DSM version requirement to support entire system backup: DSM7.2 or later.

High Availability
Synology High Availability
Yes

Log Center
Syslog Events per Second
800

Virtualization
VMware vSphere with VAAI
Yes
Windows Server 2022
Yes
Citrix Ready
Yes
OpenStack
Yes
General Specifications
Networking Protocols
SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV
Supported Browsers
Google Chrome
Firefox
Microsoft Edge
Safari
Notes
For an updated list of supported browser versions, check the DSM Technical Specifications.
Add-on Packages view the complete package list

Antivirus by McAfee (Trial)
Yes

Central Management System
Yes

Synology Chat
Maximum Number of Concurrent Users
100
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.
When applicable, systems are tested configured with maximum memory and set to allow the maximum number of connections.
Document Viewer
Yes

Download Station
Maximum Concurrent Download Tasks
80

SAN Manager
Maximum iSCSI Target Number
128
Maximum LUN
256
LUN Clone/Snapshot, Windows ODX
Yes
Synology MailPlus / MailPlus Server
Free Email Accounts
5 (Licenses required for additional accounts)
Maximum Number of Concurrent Users
100
Maximum Server Performance
1,224,000 emails per day, approx. 37GB
Notes
Models with more than 4 bays were installed with two SSDs for SSD cache.
For tested models with expandable memory, the maximum amount of RAM was installed.
The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).
Media Server
DLNA Compliance
Yes

Synology Photos
Facial Recognition
Yes

Snapshot Replication
Maximum Snapshots per Shared Folder
1,024
Maximum of System Snapshots
65,536
Surveillance Station
Maximum IP cam (Licenses required)
40 (including 2 Free License) (see all supported IP cameras)
Total FPS (H.264)
1200 FPS at 720p (1280x720)
800 FPS at 1080p (1920x1080)
350 FPS at 3M (2048x1536)
280 FPS at 5M (2591x1944)
170 FPS at 4K (3840x2160)
Total FPS (H.265)
1200 FPS at 720p (1280x720)
1200 FPS at 1080p (1920x1080)
600 FPS at 3M (2048x1536)
480 FPS at 5M (2591x1944)
200 FPS at 4K (3840x2160)
Notes
Maximum IP cameras and FPS figures are tested with the device fully populated with drives and under a continuous recording setup.
Actual system capabilities may differ depending on system configuration, drive performance, number of features enabled, and if additional workloads are present.
Synology Drive
Recommended Number of Concurrent Sync Clients
350 (the number of connections that can be maintained when the recommended number of hosted files was reached)
Recommended Number of Hosted Files
5,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
Notes
Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
Utilizing SSD cache can significantly improve performance.
For tested models with expandable memory, the maximum amount of RAM was installed.
Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.
Synology Office
Maximum Users
1,200
Notes
Multiple files were opened for testing and each file was edited by 30 users simultaneously.
For tested models with expandable memory, the maximum amount of RAM was installed.
Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
Video Station
Yes

Virtual Machine Manager
Recommended Virtual Machine Instances
2 (Learn more)
Recommended Virtual DSM Number (Licenses required)
2 (including 1 Free License)
Notes
The specifications vary depending on system configuration and memory size.
VPN Server
Maximum Connections
40
Notes:
1. Model specifications are subject to change without prior notice.
2. 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.
3. The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
4. If usage requirements exceed the specifications above, please contact our regional partners for professional advice.

Warranty Information
3 Years - Direct from the Manufacturer

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