| Brand |
Synology |
| Model |
Synology DiskStation DS1821+ |
| CPU Model |
AMD Ryzen V1500B |
| CPU Frequency |
Quad Core, 2.2 GHz |
| Hardware Encryption Engine |
Yes (AES-NI) |
| System Memory |
4GB DDR4 ECC SODIMM |
| Memory Slots |
2 |
| Memory Expandable |
Up to 32 GB (16 GB x 2) |
| Internal Storage |
8TB / 4x 2TB SATA HDD |
| Hard Drive Warranty |
One Year |
| Storage Drive Bay(s) |
8 |
| Maximum Drive Bays with Expansion Unit |
18 |
| M.2 Drive Slots |
2 (NVMe) |
| Compatible Drive Type |
3.5”, 2.5” SATA, M.2 2280 NVMe SSD |
| Hot Swappable Drive |
Yes |
| External Ports |
USB 3.2 Gen 1 Port x4, eSATA Port x2, PCIe Expansion 1x Gen3 x8 slot (x4 link) |
| File System |
Internal: Btrfs, EXT4, External: Btrfs, EXT4, EXT3, FAT, NTFS, HFS+, exFAT* |
| LAN |
Gigabit (RJ-45) x 4 |
| System Fan |
120 mm x 120 mm x 2 pcs |
| Fan Speed Mode |
Cool Mode, Quiet Mode, Full-Speed Mode |
| Noise Level |
22.2 dB(A) |
| Power Recovery |
Yes |
| Power Supply Unit / Adapter |
250W |
| AC Input Power Voltage |
100V to 240V AC |
| Power Frequency |
50/60 Hz, Single Phase |
| Power Consumption |
59.8 W (Access), 26.18 W (HDD Hibernation) |
| Operating Temperature |
0°C to 40°C (32°F to 104°F) |
| Storage Temperature |
-20°C to 60°C (-5°F to 140°F) |
| Relative Humidity |
5% to 95% RH |
| Certification |
FCC, CE, EAC, BSMI, VCCI, CCC, RCM, KC |
| Dimensions (W x D x H) |
343 x 243 x 166 mm |
| Weight |
6.0 kg |
| Warranty |
Three Years |
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