Synology DS423 vs DS423+, Plus versus value series.
Full 4-bay range compared:
DS420j – Good for multimedia, but limited to one or two things running simultaneously
DS418 (replaced by DS423) – Good for multimedia using Synology Apps (h264 + h265 support)
DS423 Good for multimedia using Synology Apps (h264 support) (Plex and h265 seem to be an issue)
DS420+(replaced by DS423+) Good for multimedia and easy backup functions and is upgradeable. Has high availability option
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.
| DS420j |   |
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| DS418 | |
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| DS423 | |
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| DS420+ |    |
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| DS423+ | |
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| DS923+ |  |
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DS423 vs DS423+ specs compared
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Synology 4-bay NAS specs compared
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| Model | DS423 (new) | DS423+(new) |
| Estimated Price | $370 (15th March) | $499 (15th March) |
| Processor model | Realtek RTD1619B | Intel Celeron J4125 |
| Number of CPUs | 1 (benchmark score: <1000) | 1 (benchmark score: 2985) |
| processor architecture | 64-bit | 64-bit |
| processor clock | 4-core 2.0 (base) / 2.7 (turbo) GHz | 2-core 2.6 (base) / 3.1 (turbo) GHz |
| hardware encryption | (AES-NI) | (AES-NI) |
| Hardware Transcoding Engine | 10-bit H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 60 | H.264 (AVC), H.265 (HEVC), MPEG-2 and VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30 |
| Memory | ||
| system memory | 2 GB DDR4 non-ECC | 2 GB DDR4 non-ECC |
| RAM slots | soldered | 2Gb soldered + 1 slot free |
| MAX RAM upgrades | NO | 6GB (2GB +4GB) |
| storage device | ||
| Expansion Unit | NO | NO |
| Number of HDD bays | 4 | 4 |
| Compatible Disk Type | 3.5″ SATA HDD 2.5″ SATA SSD |
3.5″ SATA HDD 2.5″ SATA SSD M.2 2280 NVMe SSD (500MB/s) |
| M.2 Drive Slots | NO | 2 (NVMe) (2GB/s per slot) (CACHE OR STORAGE) |
| PCIe slot | NO | NO |
| external port | ||
| RJ-45 1GbE LAN port | 2 | 2 |
| USB 2.0 port | ||
| USB 3.2 Gen 1 port* | 2 | 2 |
| USB / SD Copy | ||
| Remark | ||
| file system | ||
| internal disk | Btrfs EXT4 |
Btrfs EXT4 |
| Power | ||
| Noise value* | 22.9 dB(A) | 19.8 dB(A) |
| Power Supply / Transformer | 90 W | 90 W |
| power consumption | 32.41 W (Access) 4.97 W (HDD Hibernation) |
28.3 W (Access) 8.45 W (HDD Hibernation) |
| BTU | 110.52 BTU/hr (Access) 16.95 BTU/hr (HDD Hibernation) |
96.5 BTU/hr (Access) 28.81 BTU/hr (HDD Hibernation) |
| APPs and limits | ||
| Maximum number of local user accounts | 1,024 | 2,048 |
| Maximum number of Hybrid Share folders | 5 | 10 |
| The maximum number of cameras | 30 | 40 |
| The maximum number of snapshots | 256 | 1,024 |
| SSD TRIM | YES | YES |
| Synology High Availability | NO | YES |
| Synology MailPlus / MailPlus Server | NO | YES |
| Virtual Machine Manager | NO | YES |
| Warranty | 2 years | 3 years |
| SHR | yes | yes |
| BTRFS | yes | yes |
Synology 4-bay NAS available apps compared
| DS423 (2GB RAM) | DS423+ |
| ❌ | Active Backup for Business |
| ❌ |
Active Backup for Business Agent (DSM)
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| ❌ |
Active Backup for Google Workspace
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| ❌ | 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 | |
| Joomla | |
| LDAP Server | |
| Log Center | |
| Mail Station | |
| MariaDB 10 | |
| Media Server | |
| MediaWiki | |
| ❌ | Migration Assistant |
| Node.js v12 | |
| Node.js v14 | |
| Node.js v16 | |
| Node.js v18 | |
| Note Station | |
| OAuth Service | |
| ❌ | PACS |
| PDF Viewer | |
| Perl | |
| PHP 7.3 | |
| PHP 7.4 | |
| PHP 8.0 | |
| phpMyAdmin | |
| ❌ | Presto File Server |
| Proxy Server | |
| Python 3.9 | |
| Python2 | |
| RADIUS Server | |
| 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 | |
| vtigerCRM | |
| Web Station | |
| WebDAV Server | |
| WordPress | |
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):
Where to Buy a Product
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Amazon 
UK £332 (15% OFF) [LINK]
Amazon 
USA 30.82 OFF (WAS 550) [LINK]
Amazon USA 195.89 OFF (WAS 1345) [LINK]
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