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Compact white two-bay desktop NAS with front drive bays

Synology Inc.

Synology Inc. DS223 2-Bay NAS 2GB DDR4

SKU CH-2ZNB-S3J14 MPN DS223

Two-bay desktop NAS with quad-core 1.7 GHz CPU, 2GB DDR4, and 36TB maximum capacity for centralized storage and private cloud access

  • CPURealtek RTD1619B
  • Form factor2-Bay
  • Port count1 × 1GbE / 3 x USB 3.2 Gen 1
  • Power draw17.343 W (Access) 4.08 W (HDD Hibernation)
  • LAN ports1 × 1GbE
  • USB ports3 x USB 3.2 Gen 1 ports

Form Factor 2-Bay

Model DS223

  • Centralised private cloud stores up to 36 TB of data
  • Quad-core 1.7 GHz CPU handles backup and media streaming
  • Low 17.3 W power draw keeps running costs down
  • Three USB 3.2 Gen 1 ports connect external drives and peripherals
  • Btrfs file system adds snapshots and data integrity protection

Private cloud for home and small office

The Synology DS223 is a two-bay desktop NAS that arrives without drives and supports up to 36 TB of raw capacity. It runs a quad-core Realtek RTD1619B processor at 1.7 GHz with 2 GB of DDR4 memory. One 1 GbE port and three USB 3.2 Gen 1 ports handle network and external storage connections. The unit targets households and small teams that want a personal cloud for backup, file sharing and media streaming.

Upgrade from single-drive or USB storage

Moving from a single external drive or basic USB enclosure to the DS223 adds RAID redundancy, centralized access protocols such as SMB, NFS and iSCSI, and on-demand sync with public cloud services. The jump is worth it when data protection, multi-device access and scheduled backups become daily requirements rather than occasional tasks. The 14 % faster import rate noted by the manufacturer helps migrate existing libraries more quickly.

Sustained operation at low power

Under continuous access the system draws 17.343 W, dropping to 4.08 W when the installed drives enter hibernation. The fanless design keeps acoustic output minimal during long backup windows or overnight media indexing. Operating temperature range spans 0 °C to 40 °C, so the chassis remains stable in typical office or closet environments without active cooling.

How it compares

Measured against everything we stock in Multi-Bay Desktop NAS, at today’s prices. Recalculated every night.

Price $212.99
Cheaper than about 81% of the 230 comparable items (median $562.49).

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Specifications

Product
Brand nameSynology
Model nameDS223
Product typeDesktop NAS
Recommended useBackup & stream media through personal cloud
Processor
CPURealtek RTD1619B
Memory
Installed RAM2 GB DDR4
Storage
Drive interface2 x SATA (2 x Bay)
Drives includedDiskless System
Connectivity
Protocol supportSMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP,
OpenVPN™, L2TP
Ports & slots
Port count1 × 1GbE / 3 x USB 3.2 Gen 1
LAN ports1 × 1GbE
USB ports3 x USB 3.2 Gen 1 ports
Power
Power draw17.343 W (Access)
4.08 W (HDD Hibernation)
Power details100-240 VAC 50/60 Hz
Size & build
Form factor2-Bay
Shipping weight2.18 kg
Package size286 × 273 × 121 mm
Compatibility
Compatible drives2 × 3.5 in or 2.5 in SATA SSD/HDD (drives not included)
In the box
In the box• 1 x DS223 main unit
• 1 x Quick Installation Guide
• 1 x Accessory pack
• 1 x AC power cord
• 1 x AC power adapter
• 1 x RJ-45 LAN cable
Environment & compliance
Temperature rangeOperating environment
• Temperature: 0 °C to 40 °C (32 °F to 104 °F)
Storage environment
• Temperature: -20 °C to 60 °C (-5 °F to 140 °F)
Humidity rangeOperating environment
• Relative humidity: 8% to 80% RH
Storage environment
• Relative humidity: 5% to 95% R
More details
Maximum capacity36 TB

Other versions of this model

3 more in the same range

Questions about this item

Which drive sizes fit the DS223's two SATA bays?

The unit accepts two 3.5-inch or 2.5-inch SATA hard drives or SSDs, giving a maximum raw capacity of 36 TB.

How do I install drives in the DS223, and what step is often missed?

Slide each drive into a bay until it clicks, then secure it with the provided screws; the step people skip is tightening those screws, which prevents vibration and connection issues.

What ongoing maintenance does the DS223 require?

Keep the operating temperature between 0 °C and 40 °C, clean dust from the ventilation openings periodically, and replace any drive that SMART reports as failing.

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