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10/25GbE ready
Support for 10/25GbE NICs lets you boost server throughput up to five times using Link Aggregation (bonding).
Synology RS2821RP+ 16-Bay 3U Rackmount NAS
₱0.00
Synology RS2821RP+ 16-Bay 3U Rackmount NAS [AMD Ryzen V1500B Quad-Core, 4GB DDR4 ECC UDIMM, 16 x 2.5″/3.5″ SATA HDD/SSD, Up to 28-Bay w/ RX1217/RX1217RP x 1, 4 x GbE RJ45, 2 x USB3.2 Gen1, 1 x PCIe Gen3 x8 Slot, Redundant 550W, Compatible w/ HAT3300 / HAT5300 HDD & SAT5210 SSD]
RackStation RS2821RP+
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 performance1, and can be upgraded with SSD cache and 10/25Gb Ethernet2 options.
Compute
AMD Ryzen™ V1500B quad-core 2.2 GHz
Throughput
2,220 MB/s seq. read 105K 4K random read performance1
Memory
4 GB ECC DDR4, up to 32 GB
Scalability
Up to 28 drive bays with RX1217RP/RX1217
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.1
4K Random IOPS Sequential Throughput
* compared to predecessor RS2818RP+
Read
162 %
faster*
Write
115 %
faster*
Read
0 %
faster*
Write
0 %
faster*
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. Learn more
Data integrity and protection
ECC memory prevents data corruption, while the Btrfs file system brings higher reliability, snapshot technology, and simplified data protection. Learn more
License-free backup solutions
Hyper Backup
Back up files, iSCSI LUNs, installed applications, and system configurations to destinations including Synology C2 Storage, public cloud platforms, USB devices, file servers, local folders, or other Synology NAS.
Set and forget backup tasks with regular schedules, enhance security with fine-grained user permissions and encryption, keep backup sizes small with built-in deduplication4, and restore data flexibly with multi-versioning. Learn more
Snapshot Replication
Snapshot Replication enables flexible point-in-time snapshots of shared folders, and virtual machines with an RPO as low as 5 minutes and recovery within seconds. Learn more
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. Learn more
Works best with Synology drives
Engineered to handle intensive 24/7 workloads, Synology drives consistently deliver top-grade performance.
Powered by Synology DiskStation Manager
The web-based DiskStation Manager (DSM) operating system supports a host of native productivity and management solutions.
Central Management System
Conveniently manage your fleet of Synology NAS from a centralized console.
Synology Drive
Instantly access your NAS files across multiple devices whenever you want, wherever you are.
Collaboration Suite
Satisfy all team collaboration needs behind the safety of your own private cloud with Synology Office, Calendar, and Chat.
Virtual Machine Manager
Run various operating systems in isolated sandboxes. Seamlessly clone, store, and migrate virtual machines.
Security
Shield your Synology NAS from the most sophisticated threats with industry-leading security solutions.
Surveillance
Protect your home or business with intelligent monitoring and video management tools.
- 1Power button and indicator
- 2Status Indicator
- 3Alert Indicator
- 4Alert Off Button
- 5Drive status indicator
- 6Drive tray
- 7Rail Kit Release Tab
- 8PSU fan
- 9Power Port
- 10PSU indicator
- 11Console port
- 12PCIe expansion slot
- 131GbE RJ-45 port
- 14USB 3.2 Ports
- 15Expansion port
- 16Reset button
Notes:
- Performance testing conducted by Synology with 10GbE NICs installed. Actual results may vary depending on system configuration, testing methods, and other environmental variables. Check the performance page for specific details on the testing environment.
- Network adapter cards, expansion units, other PCIe add-in cards, and storage drives are sold separately. Refer to the compatibility list for compatible devices.
- SSD cache can be enabled by using compatible 2.5″ SSDs in drive bays or without occupying drive bays by installing Synology SNV3400/3500 M.2 NVMe SSDs using M2D20 or E10M20-T1 adapter cards, sold separately.
- Users have reported total data size reductions of more than 50% when backing up multiple systems with deduplication technology enabled.
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 | ||
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) | |
| Notes |
| |
Storage | Drive Bays | 16 |
| Maximum Drive Bays with Expansion Unit | 28 (RX1217/RX1217RP x 1) | |
| Compatible Drive Type* (See all supported drives) |
| |
| Hot Swappable Drive* | ||
| Notes |
| |
External Ports | RJ-45 1GbE LAN Port | 4 (with Link Aggregation / Failover support) |
| USB 3.2 Gen 1 Port* | 2 | |
| Expansion Port | 1 | |
| Notes | The USB 3.0 standard was renamed to USB 3.2 Gen 1 by the USB Implementers Forum (USB-IF) in 2019. | |
PCIe | PCIe Expansion | 1 x Gen3 x8 slot (x4 link) |
Appearance | Form Factor (RU) | 3U |
| Size (Height x Width x Depth) | 132.3 mm x 482 mm x 656.5 mm | |
| Weight | 17.1 kg | |
| Rack Installation Support* | 4-post 19″ rack (Synology Rail Kit – RKS-02) | |
| Notes | The rail kit is sold separately | |
Others | System Fan | 80 mm x 80 mm x 3 pcs |
| Fan Speed 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 | ||
| AC Input Power Voltage | 100 V to 240 V AC | |
| 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) | |
| Notes |
| |
Temperature | 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 |
| |
Warranty | 3-year hardware warranty, extendable to 5 years with EW202 or Extended Warranty Plus | |
| Notes |
| |
Environment | RoHS Compliant | |
Packaging Content |
| |
Optional Accessories |
| |
| Notes | All memory modules will operate at the maximum frequency specified by the CPU manufacturer. | |
Notes:
- Model specifications are subject to change without prior notice.
- The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.
DSM Specifications | ||
|---|---|---|
| Maximum Single Volume Size | 108 TB | |
| Maximum Internal Volume Number | 64 | |
| SSD Read/Write Cache (Determining cache size) | ||
| SSD TRIM | ||
| Supported RAID Type |
| |
| RAID Migration |
| |
| Volume Expansion with Larger HDDs |
| |
| Volume Expansion by Adding a HDD |
| |
| Global Hot Spare Supported RAID Type |
| |
| Notes |
| |
| Internal Drives |
| |
| External Drives |
| |
| Notes | exFAT Access can be installed for free from Package Center in DSM 7.0. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center. | |
| File Protocol |
| |
| 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 | ||
| NFS Kerberos Authentication | ||
| Notes |
| |
| Maximum Local User Accounts | 2,048 | |
| Maximum Local Groups | 256 | |
| Maximum Shared Folder | 512 | |
| Maximum Shared Folder Sync Tasks | 16 | |
| Maximum Hybrid Share Folders | 10 | |
| Folder and Package Backup | ||
| Entire System Backup | ||
| Notes | Full-system backup requires DSM 7.2 or later. | |
| Synology High Availability | ||
| Syslog Events per Second | 1,000 | |
Virtualization | VMware ESXi 6.5 and VAAI | |
| Windows Server 2022 | ||
| Citrix Ready | ||
| OpenStack | ||
| Supported Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV | |
| Supported Browsers |
| |
| 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 | |
| Notes | For an updated list of supported browser versions, check the DSM Technical Specifications. | |
Add-on Packages view the complete package list | ||
Antivirus by McAfee (Trial) | ||
| Suggested Maximum Users | 1,500 | |
| Suggested Concurrent Users | 150 | |
| Notes | When applicable, systems are tested configured with maximum memory and set to allow the maximum number of connections. | |
Download Station | Maximum Concurrent Download Tasks | 80 |
| Maximum iSCSI Target Number | 128 | |
| Maximum LUN | 256 | |
| LUN Clone/Snapshot, Windows ODX | ||
| Notes | iSCSI Manager has been renamed to SAN Manager in DSM 7.0. | |
| Free Email Accounts | 5 (Additional accounts require purchase of licenses) | |
| Suggested Maximum Users | 750 | |
| Suggested Concurrent Users | 150 | |
| Maximum Server Performance | 1,484,000 emails per day, approx. 45GB | |
| Notes |
| |
| DLNA Compliance | ||
| Facial Recognition | ||
| Object Recognition | ||
| Maximum Snapshots per Shared Folder | 1,024 | |
| Maximum of System Snapshots | 65,536 | |
| Default Licenses | 2 (Additional cameras require purchase of licenses) | |
| Suggested Maximum IP Cameras and Total FPS (H.264) |
| |
| Suggested Maximum IP Cameras and Total FPS (H.265) |
| |
| Notes |
| |
| 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) | |
| Notes |
| |
| Suggested Maximum Users | 4,500 | |
| Suggested Concurrent Users | 1,800 | |
| Notes |
| |
| Recommended Virtual Machine Instances | 8 (Learn more) | |
| Recommended Virtual DSM Number (Licenses required) | 8 (including 1 Free License) | |
| Notes | The specifications vary depending on system configuration and memory size. | |
| Maximum Connections | 40 | |
Notes:
- Model specifications are subject to change without prior notice.
- The figures are based on Synology internal testing. Each performance test is done individually. No other services or applications are processed at the same time.
- The actual performance may be lower than lab testing figure due to differences in server configuration, deployment, and the number of active operations.
- If usage requirements exceed the specifications above, please contact our regional partners for professional advice.
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