Synology DS1522+5-bay DiskStation
Synology DS1522+5-bay DiskStation
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Synology DS1522+5-bay DiskStation

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Flexible Data Management Platform for Homes and SOHO
The Synology DS1522+ is a versatile 5-bay NAS solution that is easy to scale and expand as your needs change, with optional support for up to 15 drives, fast networking, and NVMe SSD caching. Powered by Synology DiskStation Manager (DSM), it offers a flexible all-in-one solution for data sharing, synchronization, backup, and surveillance.


  • Dependable Performance

Up to 736/796 MB/s sequential read/write throughput

makes file operations quick and efficient1

  • Versatile Network Storage

Leverage built-in file and photo management, data

protection, virtualization, and surveillance solutions

  • Fast and Stable Connectivity

Four 1GbE ports for simple integration into existing

environments with optional 10GbE connectivity2 to

tackle more specialized, bandwidth-heavy applications

  • Easy Capacity Expansion

Add up to 10 extra drive bays with 2 DX517 expansion

units for a maximum of 15 storage drives3

Technical Specifications

CPU CPU Model AMD Ryzen R1600

CPU Quantity 1

CPU Architecture 64-bit

CPU Frequency 2-core 2.6 (base) / 3.1 (turbo) GHz

Hardware Encryption Engine (AES-NI)
Memory System Memory 8 GB DDR4 ECC SODIMM

Memory Module Pre-installed 8 GB (8 GB x 1)

Total Memory Slots 2

Maximum Memory Capacity 32 GB (16 GB x 2)

Notes Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.
Storage Drive Bays 5

Maximum Drive Bays with Expansion Unit 15 (DX517 x 2)

M.2 Drive Slots 2 (NVMe)

Compatible Drive Type* (See all supported drives) 3.5" SATA HDD
M.2 2280 NVMe SSD

Hot Swappable Drive*

Notes The hot swappable drive feature is not supported by M.2 SSD slots.
"Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
External Ports RJ-45 1GbE LAN Port* 4 (with Link Aggregation / Failover support)

USB 3.2 Gen 1 Port* 2

eSATA Port 2

Notes This device's 1GbE LAN ports have a maximum transmission unit (MTU) size of 1,500 bytes.
The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019.
PCIe PCIe Expansion 1 x Gen3 x2 network upgrade slot
File System Internal Drives Btrfs

External Drives Btrfs
Appearance Size (Height x Width x Depth) 166 mm x 230 mm x 223 mm

Weight 2.7 kg
Others System Fan 92 mm x 92 mm x 2 pcs

Fan Speed Mode Full-Speed Mode
Cool Mode
Quiet Mode

Brightness Adjustable Front LED Indicators

Power Recovery

Noise Level* 22.90 dB(A)

Scheduled Power On / Off

Wake on LAN / WAN

Power Supply Unit / Adapter 120 W

AC Input Power Voltage 100V to 240V AC

Power Frequency 50/60 Hz, Single Phase

Power Consumption 52.06 W (Access)
16.71 W (HDD Hibernation)

British Thermal Unit 177.64 BTU/hr (Access)
57.02 BTU/hr (HDD Hibernation)

Notes For more information on how power consumption is measured, refer to this article.
Noise testing was conducted with the Synology system fully installed with Synology SATA HDDs and in an idle state. Two GRAS 40AE microphones are placed at a 1 m distance from the front and rear of the device. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%
Temperature Operating Temperature 0°C to 40°C (32°F to 104°F)

Storage Temperature -20°C to 60°C (-5°F to 140°F)

Relative Humidity 5% to 95% RH
Certification FCC