Best Synology in 2026

Two built-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays.

Intel quad-core processor with AES-NI hardware encryption engine, over 225 MB/s sequential read and write throughput.

4 GB DDR4 memory (expandable up to 8 GB); Scalable up to 9 drives with Synology DX517

Encrypted sequential throughput performance at over 113 MB/s reading and 112 MB/s writing

Dual-core Processor with AES-NI encryption engine

2GB DDR3L memory (expandable up to 6GB)

Leverage built-in file and photo management, data protection, and surveillance solutions

Access, share, and sync your data and media easily across different operating systems and devices

Check Synology knowledge center or YouTube channel for help on product setup and additional information

Product 1: Up to 471/225 MB/s sequential read/write throughput makes file operations quick and efficient

Product 1: Leverage built-in file and photo management, dataprotection, virtualization, and surveillance solutions

Product 1: Two 1GbE ports for simple integration into existingenvironments with optional 10GbE connectivity totackle more specialized, bandwidth-heavy applications

Featured dual 1GbE LAN ports to support network failover, and with Link Aggregation enabled, DS220+ provides over 225 MB/s sequential read and 192 MB/s sequential write throughput. Data can be further protected with RAID 1 disk mirroring to prevent sudden drive failure.

Intel dual-core processor with AES-NI hardware encryption engine; 2 GB DDR4 memory (expandable up to 6 GB)

Access, share, and sync your data easily across different operating systems and devices.

Accelerated Performance - 177% higher 4K random read IOPS and 76% faster sequential write speeds compared to its predecessor

Maximize Performance - Turbocharge HDD arrays by 20x or more without occupying drive bays using dual built-in M.2 slots for NVMe SSD cache

Expansion Made Easy - Scale-up on-demand to 18 drives with two DX517 expansion units

Online volume expansion

Dedicated local backup solution

Hot-swappable drive tray design

Combine built-in 10GbE and optional high-speed NIC for over 3,100 MB/s sequential read performance

Built-in M.2 2280 NVMe SSD slots permit cache acceleration without using storage drive bays

Flexibly scale up to 16 drives to increase storage capacity as demand grows

DDR4 non-ECC unbuffered SO-DIMM

Applied Models: RS820RP+, RS820+, DS2419+, DS1819+, DS1618+, DVA3219

System ram type: ddr4_sdram

High-performance 1-bay NAS for small offices and home users

Sequential throughput at over 113 MB/s reading and 112 MB/s writing

64-bit quad-core 1.4GHz processor

Sequential throughput performance at over 226 MB/s reading and 170 MB/s writing

Dual 1GbE ports with failover and Link Aggregation support

Compatible Drive Type-3.5 inch SATA HDD, 2.5 inch SATA HDD, 2.5 inch SATA SSD. "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

DDR3L-1866 SO-DIMM 4GB for Apollo Lake CPU

Applied Model: DS218+, DS718+, DS918+, DS418play

For expanding your Synology NAS server's memory capacity

Up to 736/796 MB/s sequential read/write throughput makes file operations quick and efficient

Leverage built-in file and photo management, data protection, virtualization, and surveillance solutions

Four 1GbE ports for simple integration into existing environments with optional 10GbE connectivity to tackle more specialized, bandwidth-heavy applications

Dedicated Tri-band 2.13 Gbps (400+867+867 Mbps) bandwidth optimized for performance and reliability

Easy setup and remote management from web client or mobile app

Comprehensive parental management and easy-to-use inter face with Safe Access

24/7 file server for your household to store share and backup personal data

Award-winning DiskStation Manager (DSM) brings intuitive operation flow and reduces learning curve

Access and share data with any Windows, macOS, and Linux computers or mobile devices

M.2 SSD & 10GbE combo adapter card for performance acceleration

Achieve Multi-Gig Ethernet transmission speeds of up to 10 Gbps

Accelerate random I/O performance with the dual M.2 2280/22110 NVMe SSD slots

8-bay NAS: The Synology DS1821+ is an 8-bay NAS, which means it can accommodate up to 8 hard drives or SSDs. This makes it a great option for businesses or individuals who need a lot of storage space.

AMD Ryzen CPU: The DS1821+ is powered by an AMD Ryzen quad-core processor, which provides excellent performance for a variety of tasks, including file sharing, virtualization, and multimedia streaming.

Dual M.2 NVMe slots: The DS1821+ has two M.2 NVMe slots, which can be used to add SSD cache for improved performance.

Product 1: DDR4 ECC Unbuffered SODIMM

Product 1: Please check Synology website for compatible models

Product 2: Up to 400,000/70,000 sustained 4K random read/write IOPS for demanding I/O

1.7GHz Dual-core processor for fast, uncompromising performance

Powerful 4x4 802.11ac wave 2 radios with MU-MIMO and up to 2.53Gbps breakthrough wireless speeds

Smart Connect for seamless transition between maximum speed or range

Product 1: Dual-band Wi-Fi 6 with 5.9 GHz support and configurable WAN/LAN 2.5GbE port enable fast wireless and wired transfers

Product 1: Comprehensive network security provided through Threat Prevention, VLAN segmentation, and WPA3 support

Product 1: Standalone router that can be incorporated into a mesh system for whole home coverage

Synology Rail Kit RKS-02 enables easy maintenance access for Synology rackmount models

Please check Synology website for compatible models

Mount post width must be equal to or greater than 450 mm

What's in the box: Synology DiskStation DS418 4-Bay NAS Enclosure | Accessory Pack| AC Power Adapter | AC Power Cord | 2x RJ-45 LAN Cable | Quick Installation Guide | Synology 2 Year Warranty

Capacity: 0TB - Enclosure

Synology NAS/NVR comes with default licenses that allow you to set up and manage surveillance devices. The number of default licenses may differ. You only need to purchase extra licenses when your deployment requires more licenses than the default ones listed below: Synology NAS: 2 default licenses. Network Video Recorder: 4 default licenses. Deep Learning NVR: 8 default licenses

Synology also provides three options for additional purchased licenses: 1, 4 or 8 Surveillance Device License Packs; each comes with a single license key, allowing you to activate 1, 4 or 8 surveillance devices at a time.

To find oPurchased licenses can be migrated, while default license keys cannot.ut the maximum number of surveillance devices supported on each Synology NAS/NVR, please refer to the specifications of each model.

Synology NAS/NVR comes with default licenses that allow you to set up and manage surveillance devices. The number of default licenses may differ. You only need to purchase extra licenses when your deployment requires more licenses than the default ones listed below: Synology NAS: 2 default licenses. Network Video Recorder: 4 default licenses. Deep Learning NVR: 8 default licenses

Synology also provides three options for additional purchased licenses: 1, 4 or 8 Surveillance Device License Packs; each comes with a single license key, allowing you to activate 1, 4 or 8 surveillance devices at a time.

To find out the maximum number of surveillance devices supported on each Synology NAS/NVR, please refer to the specifications of each model.

Dual Core CPU with Floating-Point Unit.

512MB RAM for Increased Multi-Tasking Power.

Features SuperSpeed USB3.0.

Synology DS213 delivers an average 108.23 MB/sec reading speed under RAID 1 configuration in a Windows environment, and 65.41 MB/sec writing1

Coming with USB 3.0 support which offers transmission speeds of up to 5 Gbps, namely 10 times faster than USB 2.0, DS213 takes less time for data transfer for external hard drives and consumes less power.

Synology DS213 offers a centralized backup target to consolidate fragmented and unstructured data across a network.

Synology RAM DDR4-2666 ECC SO-DIMM 16GB

Compatibility - Applied Models: 21 series: RS1221RP+, RS1221+, DS1821+, DS1621xs+, DS1621+, DVA3221; 20 series: RS820RP+ (does not support the ECC feature, regardless of whether the expansion memory is ECC or non-ECC); 19 series: DS2419+, DS1819+; 18 series: DS3018xs, DS1618+; 17 series: DS3617xs

Tackle multi-user environments effortlessly with up to 2,315 MB/s read and 1,147 MB/s write performance

The RS1221+ and RS1221RP+ feature a short depth of just 298 mm and 399 mm respectively

Improve network performance by 5X with a PCIe SFP+ or RJ-45 network card from the compatibility list

Store, sync, and access data from any device, wherever you are with Synology’s private cloud solution.

Keep your data safe hardware and software engineered to protect your data — trusted by millions.

Store, sync, and access data from any device, wherever you are with Synology’s private cloud solution.

Up to 400,000/70,000 sustained 4K random read/write IOPS for demanding I/O

Suitable for intensive caching workloads at up to 1,022 TBW

Actionable insight helps make optimal use of SNV3000 series SSD performance and longevity