Synology DiskStation DS1821+

  • DS1821+
  • 8 bays
  • Quad-core 2.2 GHz CPU
  • M.2 NVMe SSD cache support
  • Scales up to 18 drives
  • Warranty : 3 Year
Manufacturer: Synology
$1,184.07

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CPU

CPU Model AMD Ryzen V1500B
  CPU Architecture 64-bit
  CPU Frequency 4-core 2.2 GHz
  Hardware Encryption Engine (AES-NI)  

Memory

System Memory 4 GB DDR4 ECC SODIMM
  Memory Module Pre-installed 4 GB (4 GB x 1)
  Total Memory Slots 2
  Maximum Memory Capacity 32 GB (16 GB x 2)
  Notes
  • Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
  • Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.

Storage

Drive Bays 8
  Maximum Drive Bays with Expansion Unit 18 (DX517 x 2)
  M.2 Drive Slots 2 (NVMe)
  Compatible Drive Type* (See all supported drives)
  • 3.5" SATA HDD
  • 2.5" SATA HDD
  • 2.5" SATA SSD
  • M.2 2280 NVMe SSD
  Maximum Single Volume Size* 108 TB
  Hot Swappable Drive  
  Notes
  • "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.
  • Each internal volume (may consist of multiple drives) is expandable up to 108TB.

External Ports

RJ-45 1GbE LAN Port 4 (with Link Aggregation / Failover support)
  USB 3.0 Port 4
  eSATA Port 2

PCIe

PCIe Expansion 1 x Gen3 x8 slot (x4 link)

File System

Internal Drives
  • Btrfs
  • EXT4
  External Drives
  • Btrfs
  • EXT4
  • EXT3
  • FAT
  • NTFS
  • HFS+
  • exFAT*
  Notes exFAT Access is purchased separately in Package Center.

Appearance

Size (Height x Width x Depth) 166 mm x 343 mm x 243 mm
  Weight 6 kg

Others

System Fan 120 mm x 120 mm x 2 pcs
  Fan Speed Mode
  • Full-Speed Mode
  • Cool Mode
  • Quiet Mode
  Easy Replacement System Fan  
  Brightness Adjustable Front LED Indicators  
  Power Recovery  
  Noise Level* 22.2 dB(A)
  Scheduled Power On / Off  
  Wake on LAN / WAN  
  Power Supply Unit / Adapter 250 W
  AC Input Power Voltage 100 V to 240 V AC
  Power Frequency 50/60 Hz, Single Phase
  Power Consumption* 59.8 W (Access)
26.18 W (HDD Hibernation)
  British Thermal Unit 204.05 BTU/hr (Access)
89.33 BTU/hr (HDD Hibernation)
  Notes
  • Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
  • Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

Temperature

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
  • BSMI
  • EAC
  • CCC
  • KC
  • VCCI
  • RCM

Warranty

3-year hardware warranty, extendable to 5-year coverage - EW201
  Notes The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

RoHS Compliant

Packaging Content

  • Main Unit X 1
  • Accessory Pack X 1
  • AC Power Cord X 1
  • RJ-45 LAN Cable X 2
  • Quick Installation Guide X 1

Optional Accessories

  Notes All memory modules will operate at the maximum frequency specified by the CPU manufacturer.