Analysis of the Synology DiskStation DS925+: Outstanding Performance Hindered by Constrictive Constraints
Synology DiskStation DS925+ Review: A Competent NAS with Disappointing Drawbacks
Synology has consistently been a leading player in the network-attached storage (NAS) industry, recognized for its strong hardware and top-notch software. With the introduction of the DiskStation DS925+, the company seeks to refresh its well-regarded 4-bay NAS lineup. Although the DS925+ features much-anticipated enhancements like 2.5 Gigabit Ethernet and upgraded internal components, it also introduces contentious limitations that could dissuade loyal users.
Here’s an in-depth examination of what the DS925+ brings to the table, where it shines, and where it lacks.
Key Specifications
– CPU: Quad-core AMD Ryzen V1500B
– RAM: 4GB DDR4 ECC (upgradeable to 32GB)
– Drive Bays: 4 x 3.5″/2.5″ SATA + 2 x M.2 NVMe SSD
– Network: 2 x 2.5GbE with Link Aggregation
– USB Ports: 2 x USB 3.1 Gen1, 1 x USB-C 3.1
– File Systems: EXT4, Btrfs
– Cooling: Dual 92mm fans
– Software: DiskStation Manager (DSM) 7.2
What’s Fresh in the DS925+?
1. Dual 2.5GbE Ports
A key enhancement is the addition of double 2.5 Gigabit Ethernet ports. This is a positive upgrade, particularly since rivals such as TerraMaster and UGREEN have been providing multi-Gigabit connectivity for some time. The DS925+ now accommodates quicker data transfers and link aggregation for optimized network performance.
2. Ryzen-Driven Performance
Powered by AMD’s Ryzen V1500B, the DS925+ delivers superior performance and multitasking abilities, making it ideal for operating multiple services, such as Plex, Docker containers, and file sharing.
3. USB-C Expansion
Another significant improvement is the USB-C 3.1 port, which replaces the outdated eSATA connector, enabling simpler and quicker expansion with Synology’s latest DX525 expansion unit.
4. M.2 Storage Compatibility
The M.2 slots on the DS925+ can now serve not only for SSD caching but also for primary storage. This adds more options for configuring your storage pools.
Software Excellence: DSM 7.2
Synology’s DiskStation Manager (DSM) continues to be a benchmark in NAS operating systems. DSM 7.2 features a sleek, user-friendly interface with a plethora of apps and services. Whether you’re seeking a photo backup solution, a media server, or a private cloud, DSM covers all bases.
Key software tools include:
– Synology Photos: A powerful alternative to Google Photos
– Hyper Backup: Extensive backup and restore capabilities
– Docker support: Run containers for tailored applications
– File Station: Simple file management and sharing
– Mobile apps: Effortless access from Android and iOS devices
Performance as a Plex Server
The DS925+ shines as a Plex media server, effortlessly managing 4K high-bitrate content. However, it does not include hardware transcoding, which could be a drawback for users streaming to devices that lack native playback support. Nevertheless, performance in direct play scenarios is outstanding.
The Controversy: HDD Lock-In
One of the most frustrating features of the DS925+ is Synology’s choice to limit hard drive compatibility. Users are now required to utilize Synology-branded drives (HAT3300, HAT3310, HAT5300, HAT5310) to install DSM and build storage pools. This effectively sidelines popular third-party alternatives like Seagate IronWolf and WD Red.
Why this is significant:
– Higher Costs: Synology drives come at a much higher price. For instance, a 20TB Synology HAT5310 is priced around $719, whereas a 24TB Seagate Exos X24 is available for $479.
– Limited Availability: Synology’s selection of drives is not as comprehensive or readily accessible as those from Seagate or Western Digital.
– No Performance Edge: Synology’s drives are essentially rebranded Toshiba models with comparable specifications and warranties to their competitors.
This decision is perceived by many as anti-consumer, steering towards vendor lock-in, especially considering Synology’s prior assurances that consumer NAS models would escape such limitations.
Design and Build
The DS925+ retains Synology’s signature black chassis, featuring tool-less drive bays and excellent airflow. It operates quietly, even under load, courtesy of dual 92mm fans. The construction quality is durable, and its compact size makes it suitable for home or small office environments.
Memory Restrictions
The NAS is equipped with only 4GB of RAM, which is minimal when compared to competitors that provide more.
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