Synology DS925+ - 4 Bay NAS

The Synology DS925+ features built-in 2.5GbE networking and supports both SATA flash drives and HD...

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Product Information

Full details

The Synology DS925+ is a versatile NAS designed for home and home office users seeking robust data storage and management. Its key benefit lies in its powerful AMD Ryzen processor and flexible M.2 NVMe support for cache or storage, offering high-speed access and expansion capabilities. A potential caveat is the initial setup complexity for users new to NAS systems. This 4-bay NAS supports up to 180 TB of raw storage, features built-in 2.5GbE networking, and can accommodate SATA HDDs/SSDs in its internal bays.

All features

Model Part NumberDS925+/64TB-HAT3310
BrandSynology

Extended Product Information

FAQs

What is the maximum storage capacity of the DS925+?

The DS925+ itself supports up to 9 drives internally. With compatible Synology expansion units (like the DX517), the total raw storage capacity can be expanded up to 180 TB.

Can I use M.2 NVMe SSDs for storage, not just cache?

Yes, the Synology DS925+ features M.2 NVMe slots that can be configured either as a cache for SATA drives or as part of a storage pool, offering flexible performance options.

How much RAM does the DS925+ have, and can it be upgraded?

The DS925+ comes with 4 GB of DDR4 ECC memory. It has two SO-DIMM memory slots and can be upgraded to a maximum of 32 GB.

What are the network connection speeds?

The DS925+ is equipped with two built-in 2.5 Gigabit Ethernet (2.5GbE) ports, providing faster network speeds compared to standard 1GbE ports. It also supports Link Aggregation.

What RAID levels are supported?

The DS925+ supports a variety of RAID levels including RAID 0, 1, 5, 6, 10, and Synology Hybrid RAID (SHR), as well as JBOD (Just a Bunch Of Disks) configurations.

Does the DS925+ support hot-swapping of drives?

Yes, the internal drive bays are hot-swap capable, allowing you to replace or add drives without powering down the NAS, ensuring continuous operation.

What is the noise level of the DS925+?

The noise level is rated at 20.5 dB, which is relatively quiet for a NAS device, making it suitable for home and office environments.

Troubleshooting

NAS is not powering on

Ensure the power adapter is securely connected to both the NAS and a working power outlet. Check if the power indicator light is on. Try a different power outlet.

Cannot access the NAS web interface

Verify the NAS is connected to your network and powered on. Check your computer's network connection. Try pinging the NAS's IP address or use Synology's Synology Assistant tool to find the device on the network.

Poor network transfer speeds

Ensure your network infrastructure (router, switches, client computer) supports 2.5GbE speeds. Check LAN cable integrity. Verify network settings on the NAS and client devices. Consider enabling Link Aggregation if using both 2.5GbE ports.

Drive not recognized

Ensure the drive is properly seated in its bay or slot. Check the drive's compatibility list on the Synology website. Format the drive if it's new or if prompted by DSM. Try a different drive bay or slot.

System alerts for overheating

Check that the fans are spinning and the vents are clear of dust and obstructions. Ensure the NAS is placed in a location with adequate airflow and within the recommended operating temperature range.

Pros and Cons

Pros

  • Powerful AMD Ryzen processor for excellent performance.
  • Dual 2.5GbE ports for fast network connectivity.
  • Supports both SATA and M.2 NVMe drives for versatile storage and caching.
  • High maximum storage capacity (up to 180 TB with expansion).
  • ECC RAM for enhanced data integrity.
  • Hot-swap drive bays for easy drive management.

Cons

  • Initial setup can be complex for novice users.
  • External power supply unit, though 100W is generally sufficient.
  • The base 4 GB RAM may require an upgrade for heavy multitasking or virtual machines.
  • Expansion units are sold separately, adding to the total cost for maximum capacity.

Setup, Compatibility & Care

Initial Setup:

  1. Install your chosen 2.5"/3.5" SATA drives and/or M.2 NVMe SSDs into the available bays and slots.
  2. Connect the NAS to your network using one of the 2.5GbE ports and to the power adapter.
  3. Power on the device and access its web-based management interface via a web browser by finding its IP address.
  4. Follow the on-screen prompts to install the DiskStation Manager (DSM) operating system and configure your storage pool and shared folders.

Compatibility:

  • Storage Drives: Supports 2.5" and 3.5" SATA HDDs and SSDs, as well as M.2 NVMe SSDs. The maximum supported storage capacity is 180 TB (requires expansion units).
  • Operating Systems: DiskStation Manager (DSM) is a web-based OS compatible with major browsers like Chrome, Firefox, Edge, and Safari.
  • Network Protocols: Supports a wide range of network protocols including SMB, NFS, iSCSI, FTP, HTTP/HTTPS, and more.

Care and Maintenance:

  • Keep the NAS in a well-ventilated area to ensure optimal airflow. Avoid blocking the fan vents.
  • Regularly check the Synology support website for firmware updates for DiskStation Manager (DSM) to ensure security and access new features.
  • Clean the exterior and vents periodically with a dry or slightly damp cloth. Do not use harsh chemicals or abrasive cleaners.
  • Monitor drive health through DSM's Storage Manager and replace any failing drives promptly.
  • Ensure the operating environment stays within the specified temperature (0-40°C) and humidity (5-95%) ranges.

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