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DS918+
DiskStation DS918+ - NAS - Desktop - Intel® Celeron® - J3455...
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DS918+ is a NAS storage system designed with 4 drive bays that support both SATA HDD and SATA SSD drives, enabling a total storage capacity of up to 64 TB when configured in RAID 0, RAID 1, RAID 5, RAID 6, or RAID 10. It is powered by an Intel Celeron processor with 4 cores and comes with 4 GB of DDR3 memory pre-installed, which is upgradeable to 8 GB, ensuring smooth multi-tasking and effective handling of data-intensive operations.
DS918+ features dual 1GbE LAN ports alongside USB 3.0 and an eSATA interface for versatile connectivity. The device offers active cooling, hot-swap drive bays, expansion support for increased capacity, and a single power supply designed for reliability and redundancy. It is ideally used for SMB backup, enterprise data center deployments, virtualization, and media server applications.
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| DS918+ |  FS3400 |  DS1621+ |  SA3600 |  RS822RP+ | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | NAS | NAS | NAS |
| Form Factor | Desktop | Rackmount | Desktop | Rackmount | Rackmount |
| Bay Count | 4-bay | 4-bay | 6-bay | 36-bay | 12-bay |
| Supported Drive Types | SATA HDD / SATA SSD | SATA HDD / SAS HDD / SATA SSD / NVMe SSD | Mixed | Mixed | Mixed |
| Hot-Swap Support | Yes | Yes | Yes | Yes | Yes |
| Max Supported Capacity | 64 TB | 256 TB | 96 TB | 1 PB | 512 TB |
| RAID Support | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 / RAID 50 / RAID 60 / JBOD | RAID 0 / RAID 1 / RAID 5 / RAID 6 / RAID 10 |
| CPU Type | Intel Celeron | Intel Xeon | AMD Ryzen | Intel Xeon | Intel Xeon |
| CPU Cores | 4 | 8 | 4 | 8 | 4 |
| Installed RAM | 4 GB | 16 GB | 4 GB | 16 GB | 8 GB |
| Max RAM Capacity | 8 GB | 64 GB | 32 GB | 64 GB | 32 GB |
| RAM Type | DDR3 | DDR4 | ECC DDR4 | ECC DDR4 | DDR4 |
| Network Ports | 1GbE | 10GbE | 1GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 2 | 4 | 4 | 2 |
| USB Ports | USB 3.0 | USB 3.1 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | Yes | Yes | Yes | Yes | Yes |
| Cooling | Active | Active | Active | Redundant Fan | Redundant Fan |
| Power Supply | Single | Redundant | Single | Redundant | Redundant |
| Power Supply Wattage | N/A | 500W | 250W | 750W | 350W |
| Operating System | DSM | Custom OS | QTS | Custom OS | QTS |
| Snapshot Support | Yes | Yes | Yes | Yes | Yes |
| Cloud Sync Support | Yes | Yes | Yes | Yes | Yes |
| Virtualization Ready | Yes | Yes | Yes | Yes | Yes |
| iSCSI Support | Yes | Yes | Yes | Yes | Yes |
| Surveillance Support | Yes | No | Yes | No | No |
| Use Case | SMB | SMB / Enterprise Data Center / Media Server / Virtualization | SMB / Enterprise Data Center / Media Server / Virtualization | SMB / Enterprise Data Center / Virtualization / Media Server | Enterprise Data Center |
| Product Name | Synology DiskStation DS918+ | FS3400 High-Performance NAS Storage System | QNAP TS-DS1621+ | SA3600 Enterprise Storage System | RS822RP+ |
| Height | 6.54 inches | 3.5 inches | 6.81 inches | 3.5 inches | 3.5 inches |
| Width | 7.84 inches | 17.5 inches | 9.06 inches | 17 inches | 17.5 inches |
| Depth | 8.78 inches | 25.0 inches | 12.01 inches | 20 inches | 25 inches |
| Weight | 6.6 lbs | 30 lbs | 14.3 lbs | 45 lbs | 40 lbs |
Powerful 4-bay NAS with NVMe cache slots. Provides impressive performance and smooth multitasking for our professional office.
Exceptional reliability and easy management. The DS918+ handles our media streaming and backups with absolute stability.
Robust hardware with steady throughput. It offers a professional and efficient solution for managing our office data.
Superior 4-bay performance for small businesses. Perfect for centralizing file sharing and maintaining secure cloud access.
Trustworthy performance and great scalability. It delivers consistent speed and easy management for our team's daily work.
Outstanding 4-bay storage with intuitive features. A solid and dependable choice for high-speed network-attached storage.
The Synology DiskStation DS918+ is a high-performance 4-bay desktop NAS powered by an Intel® Celeron® J3455 CPU, designed for small offices and home users seeking centralized storage, file sharing, and multimedia streaming.
The DS918+ is equipped with an Intel® Celeron® J3455 quad-core 1.5 GHz CPU (burst up to 2.3 GHz), delivering smooth multitasking and fast data processing in your NAS environment.
The DS918+ ships with 4 GB DDR3L RAM, expandable up to 8 GB, enabling enhanced performance for virtualization, multimedia applications, and multiple concurrent users.
The DS918+ features four 3.5″/2.5″ SATA drive bays, accommodating HDDs or SSDs. You can expand to nine bays using an optional DX517 expansion unit.
Yes, the DS918+ offers two built-in M.2 2280 NVMe SSD slots for seamless SSD caching, accelerating random I/O performance without occupying drive bays.
The DS918+ supports RAID 0, 1, 5, 6, 10, Basic, JBOD, and Synology Hybrid RAID (SHR), providing flexible data protection and storage optimization.
The DS918+ includes two Gigabit Ethernet ports with Link Aggregation and failover support, ensuring reliable, high-throughput network performance for your NAS.
By installing four 16 TB drives, the DS918+ delivers up to 64 TB raw capacity. Expand with a DX517 for an additional five bays, reaching 144 TB total raw storage.
Absolutely. The Intel® Celeron® J3455 CPU with AES-NI and hardware transcoding accelerates real-time 4K video streaming to multiple devices via DS Video and Plex Media Server.
Yes, the DS918+ supports Synology Surveillance Station, managing up to 40 IP cameras (licenses included) with real-time monitoring, motion detection, and event recording.
The DS918+ is certified for VMware, Citrix, and Microsoft Hyper-V, and includes Synology Virtual Machine Manager to host Windows, Linux, or Virtual DSM in a secure environment.
The DS918+ offers comprehensive backup with Hyper Backup for multi-versioned data protection, Snapshot Replication for near-instantaneous folder and LUN backups, and Cloud Sync integration.
With a 60 W typical power consumption and aggressive HDD hibernation settings, the DS918+ minimizes energy costs while delivering 226.56 MB/s read and 225.92 MB/s write performance.
Yes, the DS918+ features Synology’s web-based DSM wizard for guided installation. In under 10 minutes, you can configure storage pools, user accounts, and network settings.
DiskStation Manager (DSM) delivers an intuitive interface with package center apps for file sharing, collaboration, multimedia, surveillance, virtualization, and secure remote access.
The DS918+ includes a two-year limited warranty, extendable to five years with Synology’s optional extended warranty, plus 24/7 online support and firmware updates.
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