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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

  • TypeDesktop NAS
  • Ports2 x USB 3.2 Gen 1
  • HDD Interface1 x SATA (1 x Bay)
  • Form Factor1-Bay
  • ProcessorRealtek RTD1619B
  • Installed Memory1GB DDR4

Form Factor 1-Bay

Option 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.

Highlights

  • 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

Specifications

BrandSynology
ModelDS124
TypeDesktop NAS
Ports2 x USB 3.2 Gen 1
HDD Interface1 x SATA (1 x Bay)
Form Factor1-Bay
ProcessorRealtek RTD1619B
Installed Memory1GB DDR4
Included HDD CapacityDiskless System
Max Capacity12TB
RAIDBasic
Drive Compatibility• 1 x 3.5" or 2.5" 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
Supported ProtocolsSMB, AFP, NFS, FTP, WebDAV, CalDAV, iSCSI, Telnet, SSH, SNMP, and VPN (PPTP,
OpenVPN™, L2TP)
Power100-240 VAC 50/60Hz
Power Consumption10.69 W (Access)
3.44 W (HDD Hibernation)
TemperatureOperating 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)
HumidityOperating environment • Relative humidity: 8% to 80% RH
Storage environment • Relative humidity: 5% to 95% RH
UsageBackup & stream media through personal cloud
Dimensions166 x 71 x 224 mm
Weight0.7 kg
Package Contents• 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
Shipping weight1.30 kg
Package size318 × 204 × 90 mm

Other versions of this model

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Same family, different memory, cooler or clock — compare before you commit.

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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