combines the Synology DiskStation DS1821+ 8-Bay NAS Enclosure with eight Seagate 8TB IronWolf 7200 rpm SATA III 3.5" Internal NAS HDDs for a storage capacity of 64TB.
Synology DiskStation DS1821+ 8-Bay NAS Enclosure
Expand the network storage capacity for your small- to medium-business or SOHO (Small Office, Home Office) environment with the DiskStation DS1821+ 8-Bay NAS Enclosure from Synology. Useful for high-speed file sharing, backups, and surveillance, this enclosure supports up to eight 3.5" and 2.5" SATA drives in RAID 0, 1, 5, 6, 10, Synology Hybrid, and JBOD modes for up to 110,000 4K random read IOPS and 2300 MB/s sequential write speeds to handle demanding workloads. Installing up to two M.2 NVMe PCIe solid-state cache drives into the available slots can boost hard drive array performance by over 20x. In addition to having four Gigabit Ethernet ports with Link Aggregation and Failover support, the PCIe 3.0 x8 slot allows you to install expansion cards such as 10GbE network adapters to further enhance performance. The DiskStation DS1821+ works with Windows 7 and macOS 10.12 or later systems, and its integrated Synology DSM operating system supports a host of applications for file management, security, and more.
High-Performance NAS
The Synology DiskStation DS1821+ NAS enclosure is powered by a 2.2 GHz AMD Ryzen quad-core processor with 4GB of ECC DDR4 memory. It supports up to eight 3.5" and 2.5" SATA drives in RAID 0, 1, 5, 6, 10, Synology Hybrid, and JBOD modes with a maximum single volume size of 108TB.
Cache Acceleration
Installing up to two M.2 NVMe PCIe solid-state cache drives can accelerate hard drive array performance by over 20x.
Connectivity
The Synology DiskStation DS1821+ includes four Gigabit Ethernet ports with Link Aggregation and Failover support. Four USB 3.1 Gen 1 ports and two eSATA ports are available for connecting external storage drives and other devices to share across the network.
Scalability
A PCIe 3.0 slot is available for expansions such as 10GbE network adapters for high-speed data transfers and backups. Connecting up to two Synology DX517 5-bay expansion units to the DiskStation DS1821+ provides you with a total of 18 drive bays. Up to 32GB of memory can be installed across two SO-DIMM slots to further boost NAS performance and efficiency.
File Management and Sharing
The web-based File Station tool is built with intuitive, drag-and-drop operations for fast and secure file management from Windows and Mac computers. Advanced search and filtering tools allow for easy organization and file sharing, and the DS1821+ supports AFP, FTP, iSCSI, NFS, SMB, and WebDAV protocols.
Certified Storage Virtualization
Synology iSCSI storage supports most virtualization solutions to enhance work efficiency. Support includes VMware vSphere 6 and VAAI integration to help offload storage operations and optimize computation efficiency. Additionally, Windows Offloaded Data Transfer (ODX) speeds up data transfer and migration rate and OpenStack Cinder support turns your Synology NAS into a block-based storage component.
Versatile Backup Solutions
The Synology DiskStation DS1821+ integrates a variety of backup applications to fit your needs, including Active Backup for Business, Hyper Backup, Synology Drive, and Active Backup for Microsoft 365 / G Suite.
Synology DSM Applications
EAN: 846504003976
Seagate 8TB IronWolf 7200 rpm SATA III 3.5" Internal NAS HDD (OEM)
Designed for use in 1-8 bay NAS environments within home, SOHO, and SMB environments, the 8TB IronWolf 7200 rpm SATA III 3.5" Internal NAS HDD from Seagate is built to withstand 24x7 operations, or 8760 hours per year. This 8TB drive has been equipped with a SATA III 6 Gb/s interface, a rotational speed of 7200 rpm, a 3.5" form factor, and a 256MB cache, providing users with an ample storage capacity and data transfer speeds of up to 210 MB/s. This IronWolf hard drive also has an MTBF rating of 1 million hours, 600,000 load/unload cycles, 1 in 1015 non-recoverable read errors per bits read, and a workload rate of up to 180TB per year.
General Features
Optimized for NAS with AgileArray
AgileArray is built for dual-plane balancing and RAID optimization in multi-bay environments with advanced power management
IronWolf Health Management
IronWolf Health Management focuses on prevention, intervention, and recovery
Reduced Lag Times
Improved performance means reduced lag times or downtime for users during high traffic time for the NAS
Rotational Vibration (RV) Sensors
IronWolf comes standard with RV sensors to maintain high performance in multi-bay NAS enclosures
Multi-User Environments
IronWolf provides a workload rate of 180TB per year, which means that multiple users can upload and download data to the NAS server, knowing that IronWolf can handle the workload, whether you are a creative professional or small business
Designed for Always-On, Always-Accessible 24/7 Performance
Access data on your NAS virtually any time, whether remotely or on site
Cache Memory
IronWolf provides 256MB of cache memory, allowing your NAS to serve data faster
1.0 Million Hours MTBF | Limited 3-Year Warranty
This represents an improved total cost of ownership (TCO) over desktop drives with reduced maintenance costs
Designed for 24x7 Performance
Access your data on your NAS at virtually any time, whether remotely or on site
Best-Fit Applications
1-8 bay business network attached storage (NAS)
Desktop RAIDs and servers
Multimedia server storage
Private cloud
EAN: 763649125069
Synology DiskStation DS1821+ 8-Bay NAS Enclosure Specs
Computing
| Total Installed Memory | 4 GB ECC DDR4 |
| User-Replaceable Memory | 1 x 4 GB |
| Total Memory Slots | 2 x SO-DIMM |
| Maximum Memory Capacity | 32 GB |
General
| Number of Bays | 8 x 2.5"/3.5" 2 x M.2 (2280) |
| Inputs/Outputs | 4 x RJ45 Gigabit Ethernet 4 x USB-A 3.0 / 3.1/3.2 Gen 1 2 x eSATA |
| Compatible Drive Interface | SATA (Unspecified Version) |
| Media Card Slots | None |
| Maximum Filled Capacity | 108 TB |
| Form Factor | Desktop |
| RAID | RAID 0, 1, 10, 5, 6, JBOD, Synology Hybrid |
| Hot-Swap Support | Yes |
| PCI Expansion | 1 x PCIe 3.0 (x8 Electrical) |
| Wake on LAN | Yes |
| Link Aggregation and Failover Support | Yes |
Networking
| Supported Protocols | CalDAV FTP HTTP HTTPS NFS SMB SMB 2.1 SMB 3.0 SNMP |
| iSCSI LUN | 256 |
| iSCSI Target | 128 |
| Max Concurrent Connections | 550 |
| Max Folders | 512 |
| Max Sync Tasks | 80 |
| Max Groups | 256 |
| Max User Accounts | 2048 |
| Max Volume Number | 64 |
| Max Cameras Supported | 40 |
Software
| Installed Operating System | Synology |
| Supported File Systems | Internal: BTRFS, EXT4 External: BTRFS, EXT3, EXT4, FAT, HFS+, NTFS, exFAT |
| OS Compatibility | Windows 7 or Later macOS 10.12 or Later *As of January, 2021: Check with manufacturer for the most up-to-date compatibility |
| Mobile App Compatible | Yes *As of June, 2023: Check with manufacturer for the most up-to-date compatibility |
| Supported Browsers | Chrome, Edge, Firefox, Internet Explorer, Safari |
Security
| Encryption | AES-NI |
| Security Features | Password Protection |
| VPN Client Connections | 30 |
Electrical
| AC Input Power | 100 to 240 VAC, 50 / 60 Hz |
| Power Source | AC Adapter |
| Power Consumption | 59.8 W (Typical) 26.18 W (Idle) |
| PSU Wattage | 1 x 250 W |
Environmental
| Operating Temperature | 32 to 72°F / 0 to 40°C |
| Operating Humidity | 5 to 95% |
| Storage Temperature | -4 to 140°F / -20 to 60°C |
Physical
| Status Monitoring | LED Indicator |
| Audible Alarm | Yes |
| Cooling | 2 x 120 mm Fans |
| Noise Level | 22.2 dBA |
| Built-In Speakers | None |
| IR Sensor | None |
| Dimensions | 13.5 x 9.6 x 6.5" / 343 x 243 x 166 mm |
| Weight | 13.2 lb / 6.0 kg |
Packaging Info
| Package Weight | 17 lb |
| Box Dimensions (LxWxH) | 18 x 14.6 x 12.3" |
Seagate 8TB IronWolf 7200 rpm SATA III 3.5" Internal NAS HDD (OEM) Specs
| Storage Capacity | Total: 8 TB SATA III (6 Gb/s) 3.5" HDD (7200 rpm) |
| Read Speed | Maximum: 210 MB/s |
| Write Speed | Not Specified by Manufacturer |
| Buffer | 256 MB |
HDD Specs
| Noise Level | 3.2 dB (Active) 2.8 dB (Idle) |
Reliability / Data Integrity
| Encryption | None |
| Endurance (Total Bytes Written) | 180 TB |
| Load/Unload Cycles | 600,000 |
| Mean Time Between Failures (MTBF) | 1.0 Million Hours |
| Non-Recoverable Read Errors per Bits Read | 1 in 1015 |
Electrical
| Power Draw | 8.8 W (Active) 7.6 W (Idle) 0.6 W (Standby) |
| Supported Voltage | 5 VDC, 12 VDC |
| Current | 1.8 A at 12 VDC |
Environmental
| Operating Temperature | 41 to 158°F / 5 to 70°C |
| Storage Temperature | -40 to 158°F / -40 to 70°C |
| Operating Shock | 70 G / 2.0 ms |
| Storage Shock | 250 G / 2.0 ms |
General
| Certifications | FCC, UL, cUL *as per Manufacturer |
| Dimensions | 5.78 x 4.01 x 1.02" / 146.81 x 101.85 x 25.91 mm |
| Weight | 1.59 lb / 0.72 kg |
Packaging Info
| Package Weight | 1.9 lb |
| Box Dimensions (LxWxH) | 8.8 x 6.1 x 2.9" |
In the Box
- Power Cable
- Accessory Pack
- 2 x RJ45 LAN Cable
- 3-Year Manufacturer Warranty
- 3-Year Manufacturer Warranty
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