Synology 4 Bay NAS DiskStation DS918+ Network Storage

High-speed scalable storage server
Featuring a powerful quad-core CPU, Synology DiskStation is perfect for home users or small businesses looking for a compact and reliable shared storage solution to process intensive workloads. DS918+ supports up to two M.2 NVMe 2280 SSDs, allowing fast system cache creation without occupying internal drive bays
Next-generation file system for better data protection
The DS918+ integrates the Btrfs file system, delivering the most advanced storage technology to meet the management needs of small businesses.
- Quad-core 1.5 GHz CPU
 - Over 225 MB/s sequential reading and 221 MB/s writing
 - 4GB DDR3L-1866 memory (expandable up to 8GB)
 - Two USB 3.0 ports
 - Dedicated M.2 NVMe SSD slots for cache support
 
 
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|---|---|---|---|
| Synology DS218+ | Synology DS718+ | Synology DS918+ | |
| Drive Bays | 2 | 2 | 4 | 
| Maximum Drive Bays with Expansion Unit | 2 (no expansion unit support) | 7 (with DX517 expansion unit) | 9 (with DX517 expansion unit) | 
| Maximum Raw Capacity with Expansion Units | 24 TB (12 TB HDD x 2) (Capacity may vary by RAID types) | 84 TB (12 TB HDD x 7) (Capacity may vary by RAID types) | 108 TB (12 TB drive x 9) (Capacity may vary by RAID types) | 
| Hot Swappable Drives | ✓ | ✓ | ✓ | 
| CPU | Intel Celeron J3355 Dual-core 2.0 GHz | Intel Celeron J3455 Quad-core 1.5 GHz | Intel Celeron J3455 Quad-core 1.5 GHz | 
| Hardware Encryption Engine (AES-NI) | ✓ | ✓ | ✓ | 
| Memory | 2 GB DDR3 (Expandable up to 6GB) | 2 GB DDR3 (Expandable up to 6GB) | 4 GB DDR3 (Expandable up to 8GB) | 
| 1GbE LAN Ports | 1 | 2 (with Link Aggregation / Failover support) | 2 (with Link Aggregation / Failover support) | 
| USB 3.0 | 3 | 3 | 2 | 
| Hardware transcoding engine | H.264 (AVC), H.265 (HEVC), MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frames per second (FPS): 30 | H.264 (AVC), H.265 (HEVC), MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frames per second (FPS): 30 | H.264 (AVC), H.265 (HEVC), MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frames per second (FPS): 30 | 
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