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The 8-bay Synology DS1821+ is aimed at IT enthusiast and SMB customers looking for a powerful and scalable storage solution, its business-grade backup solutions keep users safe and protected from potential data loss, while major improvements to compute capabilities and throughput means workloads are finished faster than ever before.
Table shows the comparison of similar products.
|
Product Code |
|||
|
CPU Model |
Intel Celeron J4125 |
AMD Ryzen V1500B |
AMD Ryzen V1500B |
|
CPU Quantity |
1 |
1 |
1 |
|
CPU Architecture |
64-bit |
64-bit |
64-bit |
|
CPU Frequency |
4-core 2.0 (base) / 2.7 (burst) GHz |
4-core 2.2 GHz |
4-core 2.2 GHz |
|
Hardware Encryption Engine (AES-NI) |
√ |
√ |
√ |
|
System Memory |
8 GB DDR4 non-ECC |
4 GB DDR4 ECC SODIMM |
4 GB DDR4 ECC SODIMM |
|
Memory Module Pre-installed |
8 GB (4 GB + 4 GB) |
4 GB (4 GB x 1) |
4 GB (4 GB x 1) |
|
Total Memory Slots |
1 |
2 |
2 |
|
Maximum Memory Capacity |
- |
32 GB (16 GB x 2) |
32 GB (16 GB x 2) |
|
Drive Bays |
5 |
6 |
8 |
|
Maximum Drive Bays with Expansion Unit |
15 (DX517 x 2) |
16 (DX517 x 2) |
18 (DX517 x 2) |
|
RJ-45 1GbE LAN Port |
4 (with Link Aggregation / Failover support) |
4 (with Link Aggregation / Failover support) |
4 (with Link Aggregation / Failover support) |
|
USB 3.2 Gen 1 Port* |
2 |
3 |
4 |
|
eSATA Port |
2 |
2 |
2 |
|
Size (Height x Width x Depth) |
166 mm x 230 mm x 223 mm |
166 mm x 282 mm x 243 mm |
166 mm x 343 mm x 243 mm |
|
Weight |
2.62 kg |
5.1 kg |
6 kg |
| CPU | |
|---|---|
| Model / Architecture / Cores / Frequency | AMD Ryzen V1500B / 64-bit / 4-core / 2.2 GHz |
| Encryption | Yes (AES-NI) |
| Memory | |
| System Memory | 4 GB DDR4 ECC SODIMM (4 GB x 1) |
| Total Slots / Max Capacity | 2 / 32 GB (16 GB x 2) |
| Storage | |
| Drive Bays / Max Bays with Expansion | 8 / 18 (DX517 x 2) |
| M.2 Drive Slots | 2 (NVMe) |
| Compatible Drives | 3.5" SATA HDD, 2.5" SATA HDD/SSD, M.2 2280 NVMe SSD |
| Max Volume Size | 108 TB (per volume) |
| Hot Swappable | Yes |
| External Ports | |
| LAN / USB / eSATA | 4 x RJ-45 1GbE, 4 x USB 3.2 Gen 1, 2 x eSATA |
| PCIe | |
| Expansion Slot | 1 x Gen3 x8 slot (x4 link) |
| File System | |
| Internal / External | Btrfs, EXT4 / Btrfs, EXT4, EXT3, FAT, NTFS, HFS+, exFAT |
| Physical | |
| Dimensions (HxWxD) | 166 mm x 343 mm x 243 mm |
| Weight | 6 kg |
| Cooling & Noise | |
| System Fan | 2 x 120 mm |
| Fan Modes | Full-Speed, Cool, Quiet |
| Fan Replaceable / Noise Level | Yes / 22.2 dB(A) |
| Power | |
| Power Supply / Voltage / Frequency | 250 W / 100–240 V / 50/60 Hz |
| Power Consumption | 59.8 W (Access), 26.18 W (HDD Hibernation) |
| Thermal Output | 204.05 BTU/hr (Access), 89.33 BTU/hr (HDD Hibernation) |
| Environment | |
| Operating / Storage Temp | 0°C to 40°C / -20°C to 60°C |
| Relative Humidity | 5% to 95% RH |
| System Features | |
| LED Control / Power Recovery / Schedule / WOL | Yes / Yes / Yes / Yes |
| Certifications & Warranty | |
| Certifications | FCC, CE, BSMI, EAC, CCC, KC, VCCI, RCM |
| Warranty | 3 Years (from purchase date) |
| Package Contents | |
| Included | Main Unit, Accessory Pack, AC Power Cord, 2 x RJ-45 LAN Cable, Quick Installation Guide |
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