Synology DiskStation DS1821+

Synology DiskStation DS1821+

Additional information

Key Features

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.
  • CPU : AMD Ryzen™ Quad-core 2.2 GHz
  • Cache Acceleration : Dual M.2 2280 slots for NVMe Cache
  • Performance : 113K 4K random read IOPS
  • Scalability : Expand up to 18 drives with two DX517 expansion units

CPU

CPU ModelCPU QuantityCPU CoreCPU ArchitectureCPU FrequencyHardware Encryption Engine
AMD Ryzen V1500B1464-bit2.2 GHzYes

Memory

System MemoryMemory Module Pre-installedTotal Memory SlotsMaximum Memory Capacity
4 GB DDR4 ECC SODIMM4 GB (4 GB x 1)232 GB (16 GB x 2)

Storage

Drive BaysMaximum Drive Bays with Expansion UnitM.2 Drive SlotsCompatible Drive Type* (See all supported drives)Hot Swappable Drive*
818 (DX517 x 2)2 (NVMe)3.5″ SATA HDD/ 2.5″ SATA HDD/2.5″ SATA SSD/ M.2 2280 NVMe SSDYes

External Ports

RJ-45 1GbE LAN PortUSB 3.2 Gen 1 Port*Expansion PortExpansion Port Type
421eSATA

PCIe Expansion

1 x Gen3 x8 slot (x4 link)

Appearance

Size (Height x Width x Depth)Weight
166 mm x 343 mm x 243 mm6 kg

Others

417.48 watts (Access 145.8 watts (HDD Hibernation)1425.45 BTU/hr (Access) 234.35 BTU/hr (Access)/118.67 BTU/hr (HDD Hibernation)

System FanFan Speed ModeEasy Replacement System FanBrightness Adjustable Front LED IndicatorsPower RecoveryNoise Level*Scheduled Power On / OffWake on LAN / WANPower Supply Unit / AdapterAC Input Power VoltagePower FrequencyPower ConsumptionBritish Thermal Unit
120 mm x 120 mm x 2 pcsFull-Speed Mode/ Cool Mode/ Quiet ModeYesYesYes22.2 dB(A)YesYes250 watts100V to 240V AC50/60 Hz, Single Phase59.8 watts (Access)/ 26.18 watts (HDD Hibernation)204.05 BTU/hr (Access)/ 89.33 BTU/hr (HDD Hibernation)

Temperature

Operating TemperatureStorage TemperatureRelative Humidity
0°C to 40°C (32°F to 104°F)-20°C to 60°C (-5°F to 140°F)5% to 95% RH

Certification

FCC/ CE/ BSMI/ VCCI/ RCM/ EAC/ CCC/ KC/

Warranty

3-year hardware warranty, extendable to 5 years with EW201

Environment

RoHS Compliant

Packaging Content

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

Optional Accessories

  • DDR4 ECC SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G
  • Expansion Units: DX517
  • Enterprise Series 3.5″ SATA HDD: HAT5300 Series
  • Plus Series 3.5″ SATA HDD: HAT3300 Series
  • Enterprise Series 2.5″ SATA SSD: SAT5200 Series
  • Enterprise Series M.2 2280 NVMe SSD: SNV3400 Series
  • 25GbE Network Interface Card: E25G30-F2
  • 10GbE Network Interface Card: E10G21-F2/E10G30-T2/E10G18-T1

The performance you need

Reduce transfer times with the DS1821+, designed to accelerate your workloads.


Storage that fits your needs

Make the most of high-performance networking and file access without taking up unnecessary space.


DS1821+

Synology iSCSI storage fully supports most virtualization solutions to enhance work efficiency with easy management interface.


Ultimate Backup Solution

DS1821+ integrates various backup applications into an intuitive user interface, offering durable storage technologies to safeguard your valuable data on any device.


Engineered for reliability, backed by Synology

DS1821+ is designed to reliably store your data and is backed by Synology’s three-year hardware warranty.


Works best with Synology drives

Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.

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

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