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DS218
DiskStation DS218 - NAS - Desktop - Realtek - RTD1296 - Blac...
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DS218 is a high-performance NAS device engineered with two drive bays that support SATA HDD and SATA SSD drives, offering a total storage capacity of up to 32 TB. It delivers flexible storage solutions with RAID options including RAID 0, RAID 1, and JBOD, powered by a Realtek quad‐core processor and pre‐installed with 2 GB DDR4 memory (non-expandable).
This model features reliable connectivity with dual USB 3.0 ports and a 1GbE LAN port, ensuring stable network support. Designed with active cooling and a single power supply, the DS218 is ideally suited for SMB backup, media server applications, and virtualization tasks in small to medium-sized business environments.
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| DS218 |  DS223 |  DX517 |  RS822RP+ |  FS6400 | |
|---|---|---|---|---|---|
| Product Type | Storage System | Storage System | Storage System | Storage System | Storage System |
| Storage Type | NAS | NAS | SAN | NAS | SAN |
| Form Factor | Desktop | Desktop | Rackmount | Rackmount | Rackmount |
| Bay Count | 2-bay | 2-bay | 12-bay | 12-bay | 12-bay |
| Supported Drive Types | SATA HDD / SATA SSD | SATA HDD / SATA SSD | Mixed | Mixed | SATA HDD / SAS HDD / SATA SSD / NVMe SSD |
| Hot-Swap Support | Yes | No | Yes | Yes | Yes |
| Max Supported Capacity | 32 TB | 32 TB | 512 TB | 512 TB | 1 PB |
| RAID Support | RAID 0 / RAID 1 / JBOD | RAID 0 / RAID 1 / JBOD | 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 |
| CPU Type | Realtek | Realtek | Intel Xeon | Intel Xeon | Intel Xeon |
| CPU Cores | 4 | 4 | 8 | 4 | 8 |
| Installed RAM | 2 GB | 2 GB | 16 GB | 8 GB | 16 GB |
| Max RAM Capacity | 2 GB | 4 GB | 128 GB | 32 GB | 64 GB |
| RAM Type | DDR4 | DDR4 | ECC DDR4 | DDR4 | ECC DDR4 |
| Network Ports | 1GbE | 1GbE | 10GbE | 10GbE | 10GbE |
| LAN Ports | 2 | 1 | 4 | 2 | 2 |
| USB Ports | USB 3.0 | USB 3.0 | USB 3.2 | USB 3.2 | USB 3.2 |
| Expansion Support | No | Yes | Yes | Yes | Yes |
| Cooling | Active | Active | Active | Redundant Fan | Redundant Fan |
| Power Supply | Single | Single | Redundant | Redundant | Redundant |
| Power Supply Wattage | N/A | 150W | 500W | 350W | 500W |
| Operating System | DSM | DSM | Custom OS | QTS | Custom OS |
| 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 | Yes | No | No | Yes |
| Use Case | Home Backup / SMB / Media Server / Virtualization | SMB | Enterprise Data Center | Enterprise Data Center | SMB Backup / Enterprise Data Center / Media Server / Virtualization |
| Product Name | Synology DiskStation DS218 | Synology DiskStation DS223 | DX517 | RS822RP+ | FS6400 Unified Storage System |
| Height | 9.13 inches | 4.0 inches | 4 inches | 3.5 inches | 3 inches |
| Width | 6.50 inches | 6.3 inches | 17 inches | 17.5 inches | 17 inches |
| Depth | 4.25 inches | 9.1 inches | 28 inches | 25 inches | 28 inches |
| Weight | 2.71 lbs | 5.4 lbs | 50 lbs | 40 lbs | 45 lbs |
Solid 2-bay NAS for professional desktop use. Reliable file sharing and steady throughput for our small office network.
Exceptional value and easy management. The DS218 is a trustworthy choice for basic 2-bay network storage and backups.
Reliable data protection and quiet operation. It provides a professional and efficient solution for our document management needs.
Robust and user-friendly 2-bay storage. It delivers consistent performance for all our standard office cloud and networking.
Excellent mid-range 2-bay storage. A dependable choice for small businesses needing a reliable way to centralize data.
Stable performance and solid build quality. It provides the dependable storage our small team requires for daily access.
Trustworthy performance for office networking. The DS218 offers a solid and reliable platform for our small business cloud.
The Synology DiskStation DS218 is a 2-bay desktop network-attached storage device powered by a Realtek RTD1296 processor, offering centralized file storage, secure data backup, and multimedia streaming for home and small office users.
The DS218 features a Realtek RTD1296 quad-core 1.4 GHz processor and 2 GB of DDR4 RAM, delivering efficient multitasking and smooth 4K video transcoding performance.
The DiskStation DS218 supports two 2.5" or 3.5" SATA HDDs or SSDs up to 14 TB per bay, allowing a maximum raw storage capacity of 28 TB.
The DiskStation DS218 supports Basic, JBOD, RAID 0, and RAID 1 configurations to optimize performance or data redundancy according to your needs.
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