Synology RackStation RS2821RP+ 16-Bay Ryzen V1500B 3U Scalable NAS

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 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.1

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.2

10/25GbE ready

Support for 10/25GbE NICs lets you boost server throughput up to five times using Link Aggregation (bonding).

SSD cache3

Boost read/write IOPS over HDD-only arrays by up to 16 times or more with NVMe or SATA SSD Cache

On-demand drive bays

Expand to 28 drive bays with one RX1217(RP) expansion unit

License-free backup solutions

Back up your NAS to other devices

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.

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.

Consolidate backups to your NAS

Active Backup Suite

Securely back up Windows clients and servers, Microsoft 365 and Google Workspace accounts, file servers, and VMware and Hyper-V virtual machines with the Active Backup Suite.
Leverage built-in deduplication4 technology to reduce backup sizes and multi-versioning to allow flexible restoration.

Serving remote workforces

Keep your remote workforce connected with powerful out-of-the-box solutions for collaboration, file sharing, and communication.

Synology Drive

Host your own private cloud behind the safety of your NAS with 100% data ownership and no subscription fees.

Synology Office

Create documents, spreadsheets, and slides in a multi-user environment. Real-time collaboration and automatic saving make remote work sessions a breeze.

Synology Chat

Chat and collaborate with colleagues using secure end-to-end encryption on with mobile, desktop, and browser clients.

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.

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.

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)

Notes

• Synology reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
• Please select Synology memory modules for optimum compatibility and reliability. Synology will not provide complete product warranty or technical support if non-Synology memory modules are used for memory expansion.
• For more information about the recommended memory configurations, please check the Hardware Installation Guide of your Synology product.

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

Hot Swappable Drive* · ✓

Notes

• Synology only guarantees full functionality, reliability, and performance for Synology drives listed on the compatibility list. The use of non-validated components may limit certain functionality and result in data loss and system instability.
• "Compatible drive type" indicates drives that have been tested to be compatible with Synology products. This term does not indicate the maximum connection speed of each drive bay.

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)

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. In DSM 6.2 or earlier versions, exFAT Access needs to be purchased in Package Center.

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

• 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 · ✓

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

• Power consumption is measured when it is fully loaded with Western Digital 1TB WD10EFRX hard drive(s).
• Noise Level Testing Environment: Fully loaded with Seagate 2TB ST2000VN000 hard drive(s) in the idle state. Two G.R.A.S. Type 40AE microphones, each set up 1 meter away from the Synology NAS at the front and rear. Background noise: 16.49-17.51 dB(A); Temperature: 24.25-25.75˚C; Humidity: 58.2-61.8%

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

• FCC
• CE
• BSMI
• EAC
• CCC
• KC
• UL
• VCCI
• RCM

Warranty

3-year hardware warranty, extendable to 5 years with EW202 or Extended Warranty Plus

Notes

• Availability varies by region. Before purchasing, please visit the official web pages of EW201/202 and Extended Warranty Plus for a list of eligible regions.
• The warranty period starts from the purchase date as stated on your purchase receipt. (Learn more)

Environment

RoHS Compliant

Packaging Content

• Main Unit X 1
• Accessory Pack X 1
• AC Power Cord X 2
• Quick Installation Guide X 1

Optional Accessories

• DDR4 ECC UDIMM: D4EU01-4G/D4EC-2666-8G/D4EC-2666-16G
• Expansion Units: RX1217/RX1217RP
• 3.5" SATA HDD: HAT5300/HAT3300
• 2.5" SATA SSD: SAT5210
• 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

Notes · All memory modules will operate at the maximum frequency specified by the CPU manufacturer.