• Number of Hard Drives Supported16
• Number of Hard Drives Installed0
• Number of Solid State Drive Supported16
• Number of Solid State Drive Installed0
• Number of Processors Installed1
• Processor ManufacturerAMD
• Processor TypeRyzen
• Processor ModelV1500B
• Processor CoreQuad-core (4 Core)
• Processor Speed2.20 GHz
• Standard Memory4 GB
• Memory TechnologyDDR4 SDRAM
• Ethernet TechnologyGigabit Ethernet
• Number of Total Expansion Bays16
• Number of 2.5″/3.5″ Bays16
• Total Number of Expansion Slots1
• Expansion Slot TypePCI Express 3.0 x8
• RAID SupportedYes
• RAID Levels0, 1, 5, 6, 10, Hot Spare, Basic, Hybrid RAID, JBOD
• Total Number of USB Ports2
• Number of USB 3.2 Gen 1 Ports2
• Network (RJ-45)Yes
• Number of Network (RJ-45) Ports4
• Operating SystemDiskStation Manager
• Protocols
  • SMB
  • AFP
  • NFS
  • FTP
  • WEBDAV
  • SMB 1.0
  • CIFS
  • SMB 2.0
  • SMB 3.0
  • NFSv3
  • NFSv4
  • NFSv4.1
  • iSCSI
  • HTTP
  • HTTPS
  • SNMP
  • LDAP
  • CalDAV
  • DLNA
• Number of Power Supplies Installed2
• Maximum Power Supply Wattage550 W
• Redundant Power SupplyYes
• Height5.2″
• Width19″
• Depth25.8″
• Form FactorRack-mountable
• Rack Height3U
• Weight (Approximate)37.70 lb
• Country of OriginTaiwan

General Information
Manufacturer: Synology, Inc
Manufacturer Part Number: RS2821RP+
Manufacturer Website Address: http://www.synology.com
Brand Name: Synology
Product Line: RackStation
Product Series: +
Product Model: RS2821RP+
Product Name: RackStation RS2821RP+ SAN/NAS Storage System
Marketing Information:

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 Ethernet²options.

Download Datasheet

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.

• 10/25GbE ready

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

• SSD cache

  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 deduplication, 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.

Packaged Quantity: 1
Product Type: SAN/NAS Storage System
Storage
Number of Hard Drives Supported: 16
Number of Hard Drives Installed: 0
Number of Solid State Drive Supported: 16
Number of Solid State Drive Installed: 0
Processor & Chipset
Number of Processors Installed: 1
Processor Manufacturer: AMD
Processor Type: Ryzen
Processor Model: V1500B
Processor Core: Quad-core (4 Core)
Processor Speed: 2.20 GHz
Memory
Standard Memory: 4 GB
Memory Technology: DDR4 SDRAM
Network & Communication
Ethernet Technology: Gigabit Ethernet
I/O Expansions
Number of Total Expansion Bays: 16
Number of 2.5″/3.5″ Bays: 16
Total Number of Expansion Slots: 1
Expansion Slot Type: PCI Express 3.0 x8
Controllers
RAID Supported: Yes
RAID Levels: 0, 1, 5, 6, 10, Hot Spare, Basic, Hybrid RAID, JBOD
Interfaces/Ports
Total Number of USB Ports: 2
Number of USB 3.2 Gen 1 Ports: 2
Network (RJ-45): Yes
Number of Network (RJ-45) Ports: 4
Software
Operating System: DiskStation Manager
Management & Protocols
Protocols:

• SMB
• AFP
• NFS
• FTP
• WEBDAV
• SMB 1.0
• CIFS
• SMB 2.0
• SMB 3.0
• NFSv3
• NFSv4
• NFSv4.1
• iSCSI
• HTTP
• HTTPS
• SNMP
• LDAP
• CalDAV
• DLNA

Power Description
Number of Power Supplies Installed: 2
Maximum Power Supply Wattage: 550 W
Redundant Power Supply: Yes
Physical Characteristics
Height: 5.2″
Width: 19″
Depth: 25.8″
Form Factor: Rack-mountable
Rack Height: 3U
Weight (Approximate): 37.70 lb
Miscellaneous
Country of Origin: Taiwan

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