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Compact white desktop NAS tower with single drive bay and front status LEDs

Synology Inc.

Synology Inc. DS124 1-bay NAS 1GB DDR4

SKU CH-5A3R-41WHJ MPN DS124

Single-bay desktop NAS with a quad-core 1.7 GHz CPU and 1 GB DDR4 for personal cloud backup and media streaming

  • CPURealtek RTD1619B
  • Form factor1-Bay
  • Port count2 x USB 3.2 Gen 1
  • Power draw10.69 W (Access) 3.44 W (HDD Hibernation)
  • Drive interface1 x SATA (1 x Bay)
  • Installed RAM1 GB DDR4

Form Factor 1-Bay

Model DS124

  • Quad-core 1.7 GHz CPU handles demanding tasks
  • 1GB DDR4 memory supports smooth multitasking
  • 12TB maximum capacity stores large media libraries
  • 69 W access power keeps running costs low
  • 2 x USB 3.2 Gen 1 ports enable fast external backups

Single-bay desktop NAS for personal cloud

The Synology DS124 is a diskless one-bay network-attached storage device built around a Realtek RTD1619B quad-core 1.7 GHz processor with 1GB DDR4 memory. It accepts one 3.5" or 2.5" SATA drive up to 12TB and runs the Btrfs file system. Designed for home backup and media streaming, it operates at 10.69 W during access and 3.44 W in hibernation.

USB 3.2 Gen 1 expansion limits

Two USB 3.2 Gen 1 ports provide direct-attached storage expansion, yet the single internal SATA bay caps total live capacity at 12TB. RAID is restricted to Basic mode, so redundancy requires an external backup target. The 1GB DDR4 is soldered and not upgradeable, limiting concurrent service counts.

12TB maximum drive capacity

The decisive figure is the 12TB ceiling on the single SATA bay; buyers needing more raw space or multi-drive RAID must choose a multi-bay unit. Synology validates full functionality only with drives on its compatibility list, and non-validated disks may lose features or stability.

How it compares

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

Price $123.99
Cheaper than about 90% of the 230 comparable items (median $562.49).

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Specifications

Product
Brand nameSynology
Model nameDS124
Product typeDesktop NAS
Recommended useBackup & stream media through personal cloud
Processor
CPURealtek RTD1619B
Memory
Installed RAM1 GB DDR4
Storage
Drive interface1 x SATA (1 x Bay)
Drives includedDiskless System
Supported RAID modesBasic
Connectivity
Protocol supportSMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP,
OpenVPN™, L2TP)
Ports & slots
Port count2 x USB 3.2 Gen 1
Power
Power draw10.69 W (Access)
3.44 W (HDD Hibernation)
Power details100-240 VAC 50/60 Hz
Size & build
Form factor1-Bay
Product dimensions166 × 71 × 224 mm
Product weight0.7 kg
Shipping weight1.30 kg
Package size318 × 204 × 90 mm
Compatibility
Compatible drives• 1 × 3.5 in or 2.5 in SATA SSD/HDD (drives not included)4
• Synology only guarantees full functionality, reliability, and performance for Synology
drives listed on the compatibility list. The use of non-validated components may limit
certain functionality and result in data loss and system instability5
In the box
In the box• 1 x DS124 main unit
• 1 x Quick Installation Guide
• 1 x Accessory pack
• 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% RH
More details
Maximum capacity12 TB

Other versions of this model

3 more in the same range

Questions about this item

Should I choose the 1 GB DDR4 model or look for a higher-capacity version?

This DS124 comes with 1 GB DDR4 soldered on board and cannot be upgraded, so the only choice is whether the single-bay, diskless unit meets your capacity needs.

What does the 1.7 GHz quad-core CPU deliver in everyday use?

The Realtek RTD1619B handles file serving, media streaming and backup tasks for a single SATA drive at up to 12 TB with low power draw.

How fast are the USB 3.2 Gen 1 ports in practice?

Each port runs at 5 Gbps theoretical bandwidth, suitable for attaching external drives or a UPS without bottlenecking the single internal SATA link.

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