The four bays take 3.5-inch hard drives and 2.5-inch SSDs, and they are hot-swappable. Four drives open up RAID 5 and RAID 6: the first survives one failed drive, the second two, and both leave more usable capacity than a two-drive mirror. RAID 10 suits those who want speed and protection together, while JBOD lets you use each drive on its own.
The DS423 gathers files from PCs, Macs, phones and external drives in one place. You can browse, edit and share them through a desktop client, a mobile app or a web browser, and an administrator decides who can see what. On-demand sync keeps only the files you need on your computer, and sync with Google Drive, Dropbox and Microsoft OneDrive is available too.
DiskStation Manager uses the Btrfs file system, which guards data against corruption and lets you roll back files changed by mistake or maliciously using snapshots. Snapshot Replication offers recovery points as often as every 5 minutes and restores within seconds. Synology Drive backs up computer folders in real time or on a schedule, and the whole NAS can be backed up licence-free to another server, an external drive or the cloud.
Up to 30 IP cameras can be connected, chosen from more than 8,300 validated models or ONVIF devices. Streams can be watched live in a browser, on a computer or on a phone, with alerts when suspicious activity is detected. Synology Photos meanwhile organises your photos and albums and uploads pictures from your phone to the NAS automatically.
There are two gigabit RJ-45 ports and two USB 3.2 Gen 1 ports for external drives. With two 80 mm fans, the manufacturer rates the noise level at 22.9 dB, typical power draw at 32.41 W and 4.97 W in sleep mode. Power comes from an external 90 W adapter. The chassis has a Kensington lock slot, a buzzer and a reset button, weighs 2.21 kg, and ships with power and network cables.
Families and home offices that want photos, documents and backups kept on their own device; small businesses for which gigabit networking is enough and who want RAID 5 or 6 protection; and users who want to record up to 30 security cameras in the same box.
| Brand | SYNOLOGY |
|---|---|
| Model name | DS423 |
| Product colour | Black |
| Type | NAS |
| Buzzer | Yes |
| System log | Yes |
| Device class | Home & Home Office |
| Fan diameter | 80 |
| Fan diameter 2 | 80 |
| Number of fans | 2 |
| Backup function | Yes |
| Number of users | 1024 |
| Operating altitude | 0 - 5000 |
| Built-in FTP server | Yes |
| Access Control List (ACL) | Yes |
| Operating relative humidity (H-H) | 5 - 95 |
| EAN | 4711174724918 |
| Built-in display | No |
|---|
| Processor manufacturer | Realtek |
|---|---|
| Processor family | Realtek |
| Processor model | RTD1619B |
| Processor cores | 4 |
| Processor frequency | 1.7 GHz |
| Internal memory | 2 GB |
|---|---|
| Internal memory type | DDR4 |
| Storage drive size | 2.5/3.5 |
|---|---|
| Hot-swap drive bays | Yes |
| Storage drives installed | No |
| Storage temperature (T-T) | -20 - 60 |
| Installed storage drive type | No |
| Storage drive sizes supported | 2.5/3.5 |
| Supported storage drive types | HDD & SSD |
| Storage relative humidity (H-H) | 5 - 95 |
| Total installed storage capacity | 0 |
| Maximum supported storage capacity | 108 |
| Number of storage drives supported | 4 |
| Supported storage drive interfaces | Serial ATA |
| Built-in speaker(s) | No |
|---|
| Card reader integrated | No |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB port | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| Ethernet LAN data rates | 10/100/1000 |
| Cable lock slot | Yes |
| Cable lock slot type | Kensington |
| Copper ethernet cabling technology | 1000BASE-T/100BASE-T/10BASE-T |
| Security algorithms | HTTPS/SSH/SSH-1.5/SSH-2/SSL/TLS |
|---|---|
| Supported network protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
| Operating system installed | DiskStation Manager |
|---|
| On/off switch | Yes |
|---|---|
| Reset button | Yes |
| Power consumption (typical) | 32.41 W |
|---|---|
| AC input voltage | 100 – 240 V |
| AC input frequency | 50 / 60 |
| Power cables quantity | 1 |
| Power supply location | External |
| External power adapter | Yes |
| Power consumption (sleep) | 4.97 |
| Number of power supply units | 1 |
| Power supply unit (PSU) capacity | 90 |
| Redundant power supply (RPS) support | No |
| Noise level | 22.9 dB |
|---|---|
| Operating temperature (T-T) | 0 – 40 °C |
| RAID levels | 0/1/10/5/6/JBOD |
| Cooling type | Active |
| Cables included | AC/LAN (RJ-45) |
|---|---|
| LED indicators | Yes |
| RAID support | Yes |
| iSCSI support | Yes |
| Backup features | Cloud/iSCSI LUN |
| Browser supported | Google Chrome, Firefox, Microsoft Edge, Safari |
| Multilingual support | Yes |
| Maximum RAM supported | 2 |
| Supported file systems | BTRFS/exFAT/ext3/ext4/FAT32/HFS+/NTFS |
| Width | 184 mm |
|---|---|
| Depth | 168 mm |
| Height | 230 mm |
| Weight | 2.21 kg |
| Product Net Weight | 2.21 kg |
No, no drives are installed. The four bays accept 3.5″ hard drives and 2.5″ SSDs with a SATA interface.
No. According to the manufacturer, the maximum supported memory is 2 GB, which is already installed. Keep this in mind if you plan to run many apps at the same time.
RAID 0, 1, 5, 6, 10 and JBOD. With four drives, RAID 5 or RAID 6 are the usual choices.
Yes, the DS423 runs Synology DiskStation Manager, which is already on the device. Drives are installed and configured at first start-up.
Bought this product? Be the first to share your experience.
Write a reviewOnly verified buyers can leave reviews.
