SYN-DS1821-PLUS-4TBx8-SSD-32GB-0.5TBx2-BN-3Y
High-capacity storage and data protection for anyone
Synology DiskStation DS1821+ is a powerful 8-bay network-attached-storage solution designed to store and protect mission critical data. Designed to tackle increasing amounts of unstructured data, the low-noise desktop form-factor of the DS1821+ is built for both SOHO and SMB environments. With performance over 110K or 177% higher 4K random read IOPS than its predecessor, the DS1821+ is fast, with ample room for scalability.
Highlights
- Accelerated Performance - 177% higher 4K random read IOPS and 76% faster sequential write speeds compared to its predecessor
- Maximize Performance - Turbocharge HDD arrays 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
- Includes Everything to Protect Your Data - Back up critical data from public clouds, PCs, servers, VMs, and Synology NAS with Synology Active Backup suite, Hyper Backup, and Snapshot Replication
- Ready for 10/25GbE - Supports 10GbE SFP+/RJ-45 and 25GbE SFP28 NICs to instantly increase network bandwidth based on your infrastructure
| SPECIFICATIONS | |
|---|---|
| Model Number | DS1821+/DS1821-PLUS |
| CPU Model | AMD Ryzen V1500B |
| CPU Architecture | 64-bit |
| CPU Frequency | 4-core 2.2 GHz |
| Hardware Encryption Engine | Yes (AES-NI) |
| System Memory | 4GB DDR4 SODIMM (expandable up to 32GB) |
| Total Memory Slots | 2 |
| Maximum Memory Capacity | Expandable up to 32GB (16GB x 2) |
| Drive Bay(s) | 8 |
| Maximum Drive Bays with Expansion Unit | 18 (DX517 x 2) |
| M.2 Drive Slots | 2 (NVMe) |
| Compatible Drive Type |
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| Hot Swappable Drive | Yes |
| Supported RAID Type |
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| Maximum Single Volume Size | 108 TB |
| RJ-45 1GbE LAN Port | 4 (with Link Aggregation/Failover support) |
| USB 3.2 Gen 1 Port | 4 |
| eSATA Port | 2 |
| Size (Height x Width x Depth) | 166 mm x 343 mm x 243 mm |
| Weight | 6 kg |
| System Fan | 120 mm x 120 mm x 2 pcs |
| Fan Speed Mode |
|
| Easy Replacement System Fan | Yes |
| Brightness adjustable front LED indicators | Yes |
| Noise Level | 22.2 dB(A) |
| Power Recovery | Yes |
| Scheduled Power On/Off | Yes |
| Wake on LAN/WAN | Yes |
| Power Supply Unit / Adapter | 250W |
| AC Input Power Voltage | 100V to 240V AC |
| Power Frequency | 50/60 HZ, Single Phase |
| Power Consumption |
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| British Thermal Unit |
|
| Operating Temperature |
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| Storage Temperature |
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| Relative Humidity | 5% to 95% RH |
| Certification |
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SYN-DS1821-PLUS-4TBx8-SSD-32GB-0.5TBx2-BN-3Y
Alternate Part Numbers: DS1821-PLUS
The DiscTech Difference
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