Synology RS2821RP+ RackStation 16-Bay Rackmount NAS
16-bay RackStation (up to 28-bay), Quad Core 2.2 GHz, 4GB RAM (up to 32GB), Redundant power. High-performance storage for data protection, file serving, and more. Versatile...
Frequently Bought Together
16-bay RackStation (up to 28-bay), Quad Core 2.2 GHz, 4GB RAM (up to 32GB), Redundant power. High-performance storage for data protection, file serving, and more.
Versatile and scalable storage
Synology RS2821RP+ is a 3U 16-bay storage server designed to accommodate a diverse set of business requirements. Scalable to 28 drives, the unit provides powerful backup and restoration functionality for the SMB sector. It delivers 2,200 MB/s sequential read and 105K 4K random read performance, and can be upgraded with SSD cache and 10/25Gb Ethernet options.
Compute
AMD Ryzen™ V1500B quad-core 2.2 GHz
Throughput
2,220 MB/s seq. read 105K 4K random read performance
Memory
4 GB ECC DDR4, up to 32 GB
Scalability
Up to 28 drive bays with RX1217(RP)
High performance storage for anything
Over 105K/59K random read/write IOPS and up to 2,220/1,164 MB/s sequential read/write throughput ensure ample performance for demanding workloads.
Built for reliability
Redundant power
Reduce the possibility of power disruptions on a single distribution channel or PDU adversely impacting data and service availability.
Near-zero downtime
Pair two identical devices with Synology High Availability and enable automatic minute-level failover between both devices in the event one server fails.
Data integrity and protection
ECC memory prevents data corruption, while the Btrfs file system brings higher reliability, snapshot technology, and simplified data protection.
Customize to suit
Easily adapt the RS2821RP+ to any business environment by adding faster networking, local SSD cache, or storage capacity.
Serving remote workforces
Keep your remote workforce connected with powerful out-of-the-box solutions for collaboration, file sharing, and communication.
Storage for virtualization
DSM streamlines provisioning for and management of virtual machines with full certification for VMware® vSphere™, Microsoft® Hyper-V®, Citrix® XenServer™, and OpenStack virtualization environments.
Synology Storage Console for VMware or Windows platforms lets you manage storage directly from your hypervisor. VMware VAAI integration and Windows ODX help offload storage operations and speed up data transfer.
Specs
|
Hardware Specifications |
|
| CPU | |
| CPU Model | AMD Ryzen V1500B |
| CPU Quantity | 1 |
| CPU Architecture | 64-bit |
| CPU Frequency | 4-core 2.2 GHz |
| Hardware Encryption Engine (AES-NI) | ✔ |
| Memory | |
| System Memory | 4 GB DDR4 ECC UDIMM |
| Memory Module Pre-installed | 4 GB (4 GB x 1) |
| Total Memory Slots | 2 |
| Maximum Memory Capacity | 32 GB (16 GB x 2) |
| Storage | |
| Drive Bays | 16 |
| Maximum Drive Bays with Expansion Unit | 28 (RX1217/RX1217RP x 1) |
| Compatible Drive Type* (See all supported drives) | 3.5" SATA HDD |
| 2.5" SATA HDD | |
| 2.5" SATA SSD | |
| External Ports | |
| RJ-45 1GbE LAN Port* | 4 (with Link Aggregation / Failover support) |
| RJ-45 1GbE LAN Port | 4 (with Link Aggregation / Failover support) |
| RJ-45 1GbE LAN Port* | |
| PCIe | |
| USB 3.2 Gen 1 Port* | 2 |
| File System | |
| Expansion Port | 1 |
| EXT4 | |
| PCIe Expansion | 1 x Gen3 x8 slot (x4 link) |
| EXT4 | |
| Internal Drives | Btrfs |
| EXT4 | |
| Btrfs | |
| EXT4 | |
| EXT3 | |
| Appearance | |
| Form Factor (RU) | NTFS |
| Size (Height x Width x Depth) | HFS+ |
| exFAT | |
| Weight | RS822+ : 6.4 kg |
| Form Factor (RU) | 3U |
| Size (Height x Width x Depth) | 132.3 mm x 482 mm x 656.5 mm |
| Others | |
| System Fan | RS2423RP+ : 11.9 kg |
| Rack Installation Support* | 4-post 19" rack (Synology Rail Kit - RKS-02) |
| System Fan | 80 mm x 80 mm x 3 pcs |
| Fan Speed Mode | Full-Speed Mode |
| Cool Mode | |
| Quiet Mode | |
| Easy Replacement System Fan | ✔ |
| Power Recovery | ✔ |
| Noise Level* | 53.5 dB(A) |
| Scheduled Power On / Off | ✔ |
| Wake on LAN / WAN | ✔ |
| Power Supply Unit / Adapter | 550 W |
| Redundant Power Supply | ✔ |
| Temperature | |
| Power Frequency | 50/60 Hz, Single Phase |
| Power Consumption | 97.54 W (Access) |
| 49.57 W (HDD Hibernation) | |
| British Thermal Unit | 332.61 BTU/hr (Access) |
| 169.03 BTU/hr (HDD Hibernation) | |
| British Thermal Unit | 332.61 BTU/hr (Access) |
| Operating Temperature | 0°C to 35°C (32°F to 95°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 | |
| UL | |
| VCCI | |
| RCM | |
| Warranty | 3-year hardware warranty, extendable to 5 years with EW202 or Extended Warranty Plus |
| Environment | RoHS Compliant |
| Packaging Content | Main Unit X 1 |
| Accessory Pack X 1 | |
| AC Power Cord X 2 | |
| Quick Installation Guide X 1 | |
| DSM Specifications | DDR4 ECC UDIMM: D4EU01-4G/D4EC-2666-8G/D4EC-2666-16G |
| Storage Management | |
| Maximum Single Volume Size* | 3.5" SATA HDD: HAT5300/HAT3300 |
| Maximum Internal Volume Number | 2.5" SATA SSD: SAT5210 |
| Optional Accessories | M.2 SSD & 10GbE Combo Adapter Card: E10M20-T1 |
| M.2 SSD Adapter Card: M2D20 | |
| 25GbE Network Interface Card: E25G21-F2 | |
| 10GbE Network Interface Card: E10G21-F2/E10G18-T2/E10G18-T1 | |
| Rail Kit Sliding: RKS-02 | |
| Surveillance Device License Pack | |
|
DSM Specifications |
|
| Rail Kit Sliding: RKS-02 | |
| Maximum Single Volume Size* | 108 TB |
| Maximum Internal Volume Number | 64 |
| SSD Read / Write Cache (White Paper) | ✔ |
| SSD TRIM | ✔ |
| Supported RAID Type | 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 | |
| DSM Specifications | Synology Hybrid RAID |
| RAID 1 | |
| File Services | |
| File Protocol | RAID 6 |
| Maximum Internal Volume Number | RAID 10 |
| SSD Read / Write Cache (White Paper) | Synology Hybrid RAID |
| SSD TRIM | JBOD |
| NFS Kerberos Authentication | RAID 5 |
| Account & Shared Folder | |
| Volume Expansion by Adding a HDD | Synology Hybrid RAID |
| RAID 1 | |
| RAID 5 | |
| RAID 6 | |
| Hybrid Share | |
| Maximum Hybrid Share Folders | RAID 1 |
| Hyper Backup | |
| Maximum Concurrent SMB/AFP/FTP Connections | 1,000 |
| Maximum Concurrent SMB/AFP/FTP Connections (with RAM expansion) | 2,000 |
| Windows Access Control List (ACL) Integration | ✔ |
| High Availability | |
| Maximum Concurrent SMB/AFP/FTP Connections | 1,000 |
| Maximum Local User Accounts | 2,048 |
| Maximum Local Groups | 256 |
| Virtualization | |
| Maximum Shared Folder Sync Tasks | 16 |
| Maximum Local User Accounts | 2,048 |
| Maximum Hybrid Share Folders | 10 |
| Maximum Shared Folder | 512 |
| Folder and Package Backup | ✔ |
| General Specifications | |
| Maximum Hybrid Share Folders | 10 |
| Synology High Availability | ✔ |
| Log Center | ✔ |
| Syslog Events per Second | 1,000 |
| File Protocol | SMB/AFP/NFS/FTP/WebDAV |
| VMware vSphere with VAAI | ✔ |
| Windows Server 2016 | |
| Windows Server 2019 | |
| Windows Server 2022 | ✔ |
| Citrix Ready | ✔ |
| OpenStack | ✔ |
| Windows Server 2019 | |
| Networking Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
| Supported Browsers | Google Chrome |
| Firefox | |
| Microsoft Edge | |
| Safari | |
| Supported Language | English, Deutsch, Français, Italiano, Español, Dansk, Norsk, Svenska, Nederlands, Русский, Polski, Magyar, Português do Brasil, Português Europeu, Türkçe, Český, ภาษาไทย, 日本語, 한국어, 繁體中文, 简体中文 |
|
Add-on Packages view the complete package list |
|
| Antivirus by McAfee (Trial) | ✔ |
| Central Management System | ✔ |
| Synology Chat | ✔ |
| Maximum Users | 1,500 |
| Maximum Number of Concurrent Users | 150 |
| Document Viewer | ✔ |
| Download Station | ✔ |
| Maximum Concurrent Download Tasks | 80 |
| SAN Manager | ✔ |
| Maximum iSCSI Target Number | 128 |
| Maximum LUN | 256 |
| LUN Clone/Snapshot, Windows ODX | ✔ |
| Synology MailPlus / MailPlus Server | |
| Free Email Accounts | 5 (Licenses required for additional accounts) |
| Maximum Number of Concurrent Users | 150 |
| Maximum Server Performance | 1,484,000 emails per day, approx. 45GB |
| Media Server | ✔ |
| DLNA Compliance | ✔ |
| Synology Photos | ✔ |
| Facial Recognition | ✔ |
| Snapshot Replication | ✔ |
| Maximum Snapshots per Shared Folder | 1,024 |
| Maximum of System Snapshots | 65,536 |
| Surveillance Station | ✔ |
| Maximum IP cam (Licenses required) | 40 (including 2 Free License) |
| Total FPS (H.264) | 1200 FPS @ 720p (1280x720) |
| 1050 FPS @ 1080p (1920x1080) | |
| 600 FPS @ 3M (2048x1536) | |
| 440 FPS @ 5M (2591x1944) | |
| 320 FPS @ 4K (3840x2160) | |
| Total FPS (H.265) | 1200 FPS @ 720p (1280x720) |
| 1200 FPS @ 1080p (1920x1080) | |
| 1120 FPS @ 3M (2048x1536) | |
| 600 FPS @ 5M (2591x1944) | |
| 480 FPS @ 4K (3840x2160) | |
| Synology Drive | ✔ |
| Recommended Number of Concurrent Sync Clients | 550 (the number of connections that can be maintained when the recommended number of hosted files was reached) |
| Recommended Number of Hosted Files | 50,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above) |
| Synology Office | ✔ |
| Maximum Users | 1,800 |
| Video Station | ✔ |
| Virtual Machine Manager | ✔ |
| Recommended Virtual Machine Instances | 8 |
| Recommended Virtual DSM Number (Licenses required) | 8 (including 1 Free License) |
| VPN Server | ✔ |
| Maximum Connections | 40 |