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Rectangular black five-bay desktop NAS enclosure, front drive trays visible

Synology Inc.

Synology Inc. DX525 5-Bay NAS Diskless 72TB

SKU CH-1TN9-NQXBZ MPN DX525

A five-bay desktop expansion unit that adds up to 72 TB of SATA storage to a compatible DiskStation with RAID 0, 1, 5, 6, 10 or JBOD

  • TypeDesktop NAS
  • Form Factor5-Bay
  • Included HDD CapacityDiskless System
  • Max Capacity72TB
  • RAIDRAID 0, 1, 5, 6, 10, and JBOD
  • Drive Compatibility3.5" SATA HDD 2.5" SATA SSD
  • Expand storage by adding five 3.5" or 2.5" SATA drives
  • Reach up to 72 TB total capacity across five bays
  • Choose RAID 0, 1, 5, 6, 10 or JBOD for data protection
  • Draw only 35.37 W during access and 7.0 W in hibernation
  • Compact 166 mm x 230 mm x 223 mm desktop form factor

Expansion Unit for DiskStation

The Synology DX525 is a 5-bay desktop expansion unit that adds up to 72TB of raw capacity to a compatible DiskStation. It ships without drives and accepts 3.5" SATA HDDs or 2.5" SATA SSDs. The enclosure connects via a supplied USB Type-C expansion cable and runs on a 100V to 240V AC adapter.

Suits owners of compatible DiskStation units.

This unit is designed for users who already own a supported Synology DiskStation and need additional bays without replacing their main system. It supports RAID 0, 1, 5, 6, 10 and JBOD configurations managed through DSM. Buyers who do not have a compatible host NAS cannot use this product as independent network storage.

5-bay SATA expansion over USB Type-C

The single defining specification is the five drive bays connected to the host through a USB Type-C expansion cable. This interface determines which DiskStation models can attach the unit and governs the maximum throughput for the installed SATA drives. Confirm host compatibility before purchase.

商品特色

  • Expand storage by adding five 3.5" or 2.5" SATA drives
  • Reach up to 72 TB total capacity across five bays
  • Choose RAID 0, 1, 5, 6, 10 or JBOD for data protection
  • Draw only 35.37 W during access and 7.0 W in hibernation
  • Compact 166 mm x 230 mm x 223 mm desktop form factor

商品規格

BrandSynology
SeriesDiskStation
ModelDX525
TypeDesktop NAS
Form Factor5-Bay
Included HDD CapacityDiskless System
Max Capacity72TB
RAIDRAID 0, 1, 5, 6, 10, and JBOD
Drive Compatibility3.5" SATA HDD
2.5" SATA SSD
Power100V to 240V AC
Power Consumption35.37 W (Access)
7.0 W (HDD Hibernation)
TemperatureOperating Temperature : 0°C to 40°C (32°F to 104°F)
Storage Temperature : -20°C to 60°C (-5°F to 140°F)
Humidity5% to 95% RH
UsageBackup & stream media through personal cloud
Dimensions166 mm x 230 mm x 223 mm
Weight2.46 kg
Package ContentsMain Unit X 1
Expansion Cable: USB Type-C X 1
Accessory Pack X 1
AC Power Adapter X 1
AC Power Cord X 1
出貨重量4.26 kg
包裝尺寸305 × 305 × 279 mm

商品問答

What clearance does the 166 mm x 230 mm x 223 mm DX525 need for the included USB Type-C expansion cable?

Allow extra depth behind the 223 mm chassis so the USB Type-C expansion cable can connect without sharp bends.

Which step do users skip when adding the DX525 to an existing DiskStation?

Connect the supplied USB Type-C expansion cable, power on the DX525, then use DSM Storage Manager to initialise the new volume before storing data.

When should the 3.5" SATA drives inside the DX525 be replaced?

Replace any 3.5" SATA drive that DSM reports as degraded or that exceeds the 0 °C to 40 °C operating temperature range during normal use.

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