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Compact four-bay NAS tower in matte black with front drive bays and rear dual LAN ports

Synology Inc.

Synology Inc. DS419slim 4-Bay rackmount NAS 512MB DDR3 16TB SATA

SKU CH-DVJP-B9XRW

Compact 4-bay NAS with 16 TB SATA storage, dual 1 GbE ports and Synology DSM for file backup, media streaming and cloud sync

  • Port RJ-452 x 1GbE LAN Ports (with Link Aggregation / Failover support
  • Port USB2 x USB3.0
  • Form Factor4-Bay
  • ProcessorMarvell
  • Compact four-bay design saves desk space
  • Dual 1GbE ports with link aggregation boost throughput
  • 16TB pre-configured storage ready for heavy workloads
  • Synology DSM delivers file sync, backup and media streaming
  • Drives and memory ship separately for easy installation

Compact 4-Bay NAS with 16TB storage

The Synology DS419slim is a compact 4-Bay rackmount NAS that ships with four 4TB SATA drives for a total of 16TB raw capacity. It is built around a Marvell Armada 385 88F6820 dual-core 1.33GHz processor and 512MB DDR3 memory. This unit suits home users or small offices needing centralised file storage and media streaming.

DSM software and connectivity bundle

Synology DSM software provides file sync across devices via Cloud Station Suite, remote access through QuickConnect, and Synology Hybrid RAID for flexible volume management. Built-in security tools handle desktop backup and threat protection. Two USB 3.0 ports allow external drive attachment, while dual 1GbE LAN ports support link aggregation and failover for network resilience.

16TB capacity with dual-core headroom

The 16TB array handles multi-user file shares, photo libraries and 1080p media streaming comfortably. The dual-core 1.33GHz CPU manages RAID parity and background tasks without bottlenecking the 1GbE links. Heavy transcoding of 4K video or large-scale virtualisation will exceed the 512MB DDR3 memory and processing headroom. Buyers needing expandable RAM or faster network throughput should consider larger platforms.

Highlights

  • Compact four-bay design saves desk space
  • Dual 1GbE ports with link aggregation boost throughput
  • 16TB pre-configured storage ready for heavy workloads
  • Synology DSM delivers file sync, backup and media streaming
  • Drives and memory ship separately for easy installation

Specifications

BrandSynology
ModelDS419slim
Port RJ-452 x 1GbE LAN Ports (with Link Aggregation / Failover support)
Port USB2 x USB3.0
Form Factor4-Bay
ProcessorMarvell

Questions about this item

What maintenance or replacement will the 512MB DDR3 memory and Marvell Armada 385 88F6820 processor need over time?

The DS419slim has 512MB DDR3 soldered on the board and a Marvell Armada 385 88F6820 dual-core 1.33GHz CPU; neither is user-replaceable, so no memory or processor maintenance is expected. The four 4TB SATA drives are the only field-replaceable parts.

Which limit appears first under sustained use on the two 1GbE LAN ports with link aggregation?

With two 1GbE RJ-45 ports supporting link aggregation, the network throughput ceiling of roughly 2 Gbps combined is the first bottleneck during heavy, continuous file transfers or streaming workloads.

How much noise and heat does the DS419slim generate when running all day with four 4TB SATA drives installed?

The compact chassis uses a single power supply and passive cooling for the Marvell Armada 385 88F6820; with four 4TB SATA drives spinning continuously, expect low but audible drive seek noise and warm exhaust air from the rear vent.

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