· April 11, 2023 0

Synology DS423+ vs DS923+


Synology DS423+ vs DS923+. What each of them have different?

Synology 4-bay NAS (DS420j, DS418, DS423, DS420+, DS423+, DS923+)


DS423+  Good for multimedia and easy backup functions and is upgradeable. Has high availability option. Now two extra CPU cores for faster speeds and VMs./ Dovker

DS923+ Good for multimedia and easy backup functions and is upgradeable, expandable, has high availability option. Good for video editing and VMs/ Docker.





A Comparison of Synology 4-Bay NAS: DS423+, DS923+


The DS423+ is an upgrade to the DS420+ and is a powerful NAS device suitable for small businesses and demanding multimedia applications. It is powered by an Intel Celeron J4125 processor with a clock speed of 4-core 2.0 (base) / 2.7 (burst) GHz and has 4 GB DDR4 non-ECC memory (upgradable up to 8 GB). It supports 3.5″ SATA HDD, 2.5″ SATA HDD, 2.5″ SATA SSD, and M.2 2280 NVMe SSD. The DS423+ has an Intel HD Graphics 600 GPU for hardware-accelerated 4K video transcoding and can handle up to two concurrent 4K video streams. It also has a hardware encryption engine that can achieve read/write speeds of up to 451/415 MB/s, making it one of the fastest 4-bay NAS devices available. The DS423+ has dual 1GbE LAN ports and supports Synology’s Snapshot Replication for easy backups.


DS923+ comes with an AMD Ryzen R1600 processor with a benchmark score of 3246. It is a 64-bit system with 2-core 2.6 GHz (base) / 3.1 GHz (turbo) and features AES-NI encryption. This version of the DS923+ has no GPU, but comes with 4 GB DDR4 ECC memory (with one slot occupied by a 4GB module and the second slot free), which is upgradable up to 32 GB (16 GB x 2). It supports up to 14 drives with the DX517 expansion unit and can handle 3.5″ SATA HDD, 2.5″ SATA SSD, and M.2 2280 NVMe SSD Gen3 x1 (2GB/s). The DS923+ also has two NVMe slots with 2GB/s per slot, which can be used for either cache or storage. It features dual 1GbE LAN ports and an additional Gen3 x2 slot for 10gbe NIC2. It supports Btrfs and EXT4 file systems and produces noise at 22.9 dB(A). It has a maximum power consumption of 100W.

Synology 4-bay NAS specs compared

Model DS423+ DS923+
Estimated Price $499 (15th March) $599 (18th Jan)
Processor model Intel Celeron J4125
AMD Ryzen R1600
Number of CPUs 1 (benchmark score: 2985)
1 (benchmark score: 3246)
processor architecture 64-bit 64-bit
processor clock 2-core 2.6 (base) / 3.1 (turbo) GHz
2-core 2.6 (base) / 3.1 (turbo) GHz
hardware encryption (AES-NI) (AES-NI)
Hardware Transcoding Engine H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30 NONE
system memory 2 GB DDR4 non-ECC 4 GB DDR4 ECC
RAM slots 2Gb soldered + 1 slot free
1 slot 4GB + second slot free
MAX RAM upgrades 6GB (2GB +4GB) 32 GB (16 GB x 2)
storage device
Expansion Unit NO DX517 x 1
Number of HDD bays 4 4 +5
Compatible Disk Type 3.5″ SATA HDD
M.2 2280 NVMe SSD (500MB/s)
M.2 2280 NVMe SSD Gen3 x1 (2GB/s)
M.2 Drive Slots 2 (NVMe) (2GB/s per slot) (CACHE)
2 (NVMe) (2GB/s per slot) (CACHE OR STORAGE)
PCIe slot NO
1 x Gen3 x2 for 10gbe NIC
external port
RJ-45 1GbE LAN port 2 2
USB 2.0 port
USB 3.2 Gen 1 port* 2 1
USB / SD Copy
file system
internal disk Btrfs
Noise value* 19.8 dB(A) 22.9 dB(A)
Power Supply / Transformer 90 W 100W
power consumption 28.3 W (Access)
8.45 W (HDD Hibernation)
35.51 W (Access)
11.52 W (HDD Hibernation)
BTU 96.5 BTU/hr (Access)
28.81 BTU/hr (HDD Hibernation)
121.09 BTU/hr (Access)
39.28 BTU/hr (HDD Hibernation)
APPs and limits
Maximum number of local user accounts 2,048 2,048
Maximum number of Hybrid Share folders 10 10
The maximum number of cameras 40 40
The maximum number of snapshots 1,024 1,024
Synology High Availability YES YES
Synology MailPlus / MailPlus Server YES YES
Virtual Machine Manager YES YES
Warranty 3 years 3 years
SHR yes yes
BTRFS yes yes

Synology 4-bay NAS available apps compared

DS420j, DS418, ds423 (2GB RAM) DS420+, DS423+, DS923+
❌ Active Backup for Business
Active Backup for Business Agent (DSM)
Active Backup for Google Workspace
❌ Active Backup for Microsoft 365
Active Insight
Advanced Media Extensions
❌ Antivirus by McAfee
Antivirus Essential
Apache HTTP Server 2.4
Audio Station
❌ Bitdefender for MailPlus
❌ C2 Identity Edge Server
❌ Central Management System
Cloud Sync
DHCP Server
DNS Server
❌ Docker
❌ Document Viewer
Download Station
exFAT Access
File Station
Git Server
Glacier Backup
Hybrid Share
Hyper Backup
Hyper Backup Vault
iTunes Server
LDAP Server
Log Center
Mail Station
MariaDB 10
Media Server
❌ Migration Assistant
Node.js v12
Node.js v14
Node.js v16
Node.js v18
Note Station
OAuth Service
PDF Viewer
PHP 7.3
PHP 7.4
PHP 8.0
❌ Presto File Server
Proxy Server
Python 3.9
Replication Service
SAN Manager
Secure SignIn Service
SMB Service
SMI-S Provider
Snapshot Replication
SSO Server
Storage Analyzer
Surveillance Station
Surveillance Device Pack
Synology Application Service
Synology Calendar
Synology Chat Server
Synology Contacts
Synology Drive Server
❌ Synology Drive Server
❌ Synology High Availability
Synology Mail Server
❌ Synology MailPlus
❌ Synology MailPlus Server
Synology Office
Synology Photos
Text Editor
Universal Search
Universal Viewer
USB Copy
Video Station
❌ Virtual Machine Manager
VPN Server
Web Station
WebDAV Server


Synology 4-bay NAS Performance compared

SMB 1GbE – Sequential Throughput with HDD (64KB)

MODEL RS422+ DS923+ DS423+ DS423 DS420J
READ 225.77 225.85 226.58 223.90 112.93
WRITE 225.87 225.83 224.00 213.54 112.62

SMB 1GbE – Windows File Transfer with HDD

MODEL RS822(RP)+ RS422+ DS923+ DS423+ DS423 DS420J
WINDOWS DOWNLOAD 87.07 89.22 89.74 87.39 78.23 81.96
WINDOWS UPLOAD 76.36 79.24 80.23 76.00 65.97 68.64

1GbE Web Server – Nginx PHP Response Performance with HDD

MODEL RS822(RP)+ RS422+ DS923+ DS423+ DS423 DS420J
RESPONSES PER SECOND 14,469.82 9,511.32 9,710.53 10,706.80 3,062.56 2,586.49

Check Amazon and other retailers to see if the Synology DS423 NAS is available now using the links to them below (it supports us, costs you nothing extra and me and Eddie who run NASCompares will get a commission that goes directly back into the YouTube channel and blog):

Amazon UK 26.42 OFF (WAS 541) [LINK HERE]

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