Synology DS1821+ 8-Bay NAS DiskStation

The Synology DS1821+ 8-Bay NAS DiskStation provides a robust and scalable network storage solution designed for IT enthusiasts and small to medium-sized businesses. With its powerful AMD Ryzen V1500B processor and 4GB DDR4 ECC RAM, this NAS ensures rapid data processing and efficient multitasking. Users will benefit from improved computing capabilities and faster throughput, making it an ideal choice for managing demanding workloads.

Equipped with 8 drive bays, the DS1821+ offers considerable storage capacity and can be expanded to 18 bays with the addition of two DX517 expansion units. This flexibility allows for easy scaling as data needs grow. The device supports various drive types, including 3.5" SATA HDDs, 2.5" SATA HDDs, 2.5" SATA SSDs, and M.2 2280 NVMe SSDs. Hot-swappable drives enable maintenance without downtime, although this feature does not extend to M.2 SSD slots.

Key Features

• High-Performance Processing: Powered by an AMD Ryzen V1500B CPU with a 2.2 GHz quad-core architecture and 64-bit support, delivering efficient performance.
• Expandable Memory: Comes with 4 GB DDR4 ECC SODIMM memory pre-installed, with a maximum expandable capacity of 32 GB for enhanced performance under heavy workloads.
• Versatile Storage Options: Features 8 drive bays with support for 3.5" SATA HDDs, 2.5" SATA HDDs, 2.5" SATA SSDs, and M.2 2280 NVMe SSDs. Can be expanded up to 18 bays using DX517 expansion units.
• Advanced Backup Solutions: Integrates various backup applications within an intuitive user interface to ensure the safety and durability of data.
• Virtualization Ready: Fully supports virtualization solutions including VMware vSphere 6 and Windows Server, with additional support for OpenStack Cinder.
• High-Speed Connectivity: Equipped with four RJ-45 1GbE LAN ports, four USB 3.2 Gen 1 ports, and two eSATA ports to enhance connectivity and expand peripheral options.

Specifications

• CPU:

  • Model: AMD Ryzen V1500B
  • Quantity: 1
  • Architecture: 64-bit
  • Frequency: 4-core 2.2 GHz
  • Hardware Encryption Engine (AES-NI): Yes

• Memory:

  • System Memory: 4 GB DDR4 ECC SODIMM
  • Pre-installed Memory: 4 GB (1 x 4 GB)
  • Total Memory Slots: 2
  • Maximum Memory Capacity: 32 GB (16 GB x 2)
  • Notes: Compatibility and stability with Synology memory modules are guaranteed.

• Storage:

  • Drive Bays: 8
  • Maximum Drive Bays with Expansion Unit: 18 (DX517 x 2)
  • M.2 Drive Slots: 2 (NVMe)
  • Compatible Drive Types: 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD
  • Hot Swappable Drive: Yes (excluding M.2 SSD slots)

• External Ports:

  • RJ-45 1GbE LAN Ports: 4 (with Link Aggregation / Failover support)
  • USB 3.2 Gen 1 Ports: 4
  • eSATA Ports: 2

• PCIe:

  • PCIe Expansion: 1 x Gen3 x8 slot (x4 link)

• 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 Modes: Full-Speed Mode, Cool Mode, Quiet Mode
  • Easy Replacement System Fan: Yes
  • Brightness Adjustable Front LED Indicators: Yes
  • Power Recovery: Yes
  • Noise Level: 22.2 dB(A)
  • Scheduled Power On / Off: Yes
  • Wake on LAN / WAN: Yes
  • Power Supply Unit / Adapter: 250 W
  • 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)
  • British Thermal Unit: 204.05 BTU/hr (Access), 89.33 BTU/hr (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, BSMI, EAC, CCC, KC, VCCI, RCM

• Warranty: 3-year hardware warranty, extendable to 5 years with EW201 or Extended Warranty Plus

• 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:

  • 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

• DSM Specifications:

  • Maximum Single Volume Size: 108 TB
  • Maximum Internal Volume Number: 64
  • M.2 SSD Storage Pool Support: Yes
  • SSD Read / Write Cache: Yes
  • SSD TRIM: Yes
  • Supported RAID Types: Synology Hybrid RAID, Basic, JBOD, RAID 0, RAID 1, RAID 5, RAID 6, RAID 10
  • RAID Migration: Basic to RAID 1, Basic to RAID 5, RAID 1 to RAID 5, RAID 5 to RAID 6
  • Volume Expansion with Larger HDDs: Synology Hybrid RAID, RAID 1, RAID 5, RAID 6, RAID 10
  • Volume Expansion by Adding a HDD: Synology Hybrid RAID, JBOD, RAID 5, RAID 6
  • Global Hot Spare Supported RAID Types: Synology Hybrid RAID, RAID 1, RAID 5, RAID 6, RAID 10

• File System:

  • Internal Drives: Btrfs, ext4
  • External Drives: Btrfs, ext4, ext3, FAT, NTFS, HFS+, exFAT
  • Notes: exFAT Access can be installed for free from Package Center in DSM 7.0. For DSM 6.2 or earlier, exFAT Access needs to be purchased.

• File Services:

  • File Protocol: SMB, AFP, NFS, FTP, WebDAV, Rsync
  • Maximum Concurrent SMB/AFP/FTP Connections: 1,000 (2,000 with RAM expansion)
  • Windows ACL Integration: Yes
  • NFS Kerberos Authentication: Yes

• Account & Shared Folder:

  • Maximum Local User Accounts: 2,048
  • Maximum Local Groups: 256
  • Maximum Shared Folder: 512
  • Maximum Shared Folder Sync Tasks: 16

• Hybrid Share:

  • Maximum Hybrid Share Folders: 10

• Hyper Backup:

  • Folder and Package Backup: Yes
  • Entire System Backup: Yes
  • Notes: Full-system backup requires DSM 7.2 or later.

• High Availability:

  • Synology High Availability: Yes

• Log Center:

  • Syslog Events per Second: 1,000

• Virtualization:

  • VMware ESXi 6.5 and VAAI: Yes
  • Windows Server 2016, 2019, 2022: Yes
  • Citrix Ready: Yes
  • OpenStack: Yes

• General Specifications:

  • Supported Protocols: SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPS, FTP, SNMP, LDAP, CalDAV
  • Supported Browsers: Chrome, Firefox, Edge, Safari
  • Supported Languages: English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 繁體中文, 简体中文, 한국어

The Synology DS1821+ provides reliable and scalable storage options suitable for a wide range of applications, ensuring optimal performance and data protection for any growing digital environment.