Synology RackStation RS2421+ SAN/NAS Storage System
Secure storage for your business
Synology RS2421+/RS2421RP+ are versatile 2U 12-bay storage servers designed to accommodate a diverse set of business environments. Scalable up to 24 drives, they are designed for cost-effective file management and sharing and include powerful backup capabilities designed for businesses with a growing data footprint. The unit delivers 2,200 MB/s 64K sequential read and 1154 MB/s sequential write performance, and can be optionally enhanced with SSD cache and 10/25Gb Ethernet.
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Compute
AMD Ryzen™ V1500B quad-core 2.2 GHz
Throughput
2,200 MB/s seq. read and 1154 MB/s seq. write performance
Memory
4 GB ECC DDR4, up to 32 GB
Scalability
Up to 24 drive bays with RX1217(RP)
High performance storage for anything
Over 106K/59K random read/write IOPS and up to 2,200/1,154 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 brings higher system reliability, while the Btrfs file system helps prevent data corruption, supports snapshot technology, and simplifies data protection.
Customize to suit
Easily adapt RS2421+/RS2421RP to any business environment by adding faster networking, local SSD cache, or storage capacity.
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10/25GbE ready
Support for 10/25GbE NICs lets you boost maximum network throughput using Link Aggregation (bonding).
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SSD cache
Boost read/write IOPS over HDD-only arrays by up to 16 times or more with NVMe or SATA SSD Cache
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Storage expansion
Expand to 24 drive bays with a 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.
| Miscellaneous | |
| Country of Origin | Taiwan |
| Software | |
| Operating System | DiskStation Manager |
| Controllers | |
| RAID Levels | 0, 1, 5, 6, 10, Hot Spare, Basic, Hybrid RAID, JBOD |
| RAID Supported | Yes |
| Memory | |
| Standard Memory | 4 GB |
| Memory Technology | DDR4 SDRAM |
| Network & Communication | |
| Ethernet Technology | Gigabit Ethernet |
| Gigabit Ethernet | |
| Power Description | |
| Number of Power Supplies Installed | 1 |
| Redundant Power Supply | No |
| Maximum Power Supply Wattage | 500 W |
| I/O Expansions | |
| Expansion Slot Type | PCI Express 3.0 x8 |
| Number of Total Expansion Bays | 12 |
| Number of Total Expansion Slots | 1 |
| Number of 2.5"/3.5" Bays | 12 |
| Interfaces/Ports | |
| Number of Network (RJ-45) Ports | 4 |
| Network (RJ-45) | Yes |
| Total Number of USB Ports | 2 |
| Number of USB 3.2 Gen 1 Ports | 2 |
| Storage | |
| Number of Hard Drives Supported | 12 |
| Number of Hard Drives Installed | 0 |
| Number of Solid State Drive Supported | 12 |
| Number of Solid State Drive Installed | 0 |
| Physical Characteristics | |
| Weight (Approximate) | 25.35 lb |
| Form Factor | Rack-mountable |
| Rack Height | 2U |
| Height | 3.5" |
| Width | 19" |
| Depth | 21.7" |
| Processor & Chipset | |
| Processor Speed | 2.20 GHz |
| Processor Type | Ryzen |
| Processor Model | V1500B |
| Processor Core | Quad-core (4 Core) |
| Processor Manufacturer | AMD |
| Number of Processors Installed |
1 |
| Product Type | SAN/NAS Storage System |
| Manufacturer Part Number | RS2421+ |
| Manufacturer Website Address | http://www.synology.com |
| Packaged Quantity | 1 |
| Manufacturer | Synology, Inc |
| Product Model | RS2421+ |
| Product Name | RackStation RS2421+ SAN/NAS Storage System |
| Product Line | RackStation |
| Product Series | + |
| Brand Name | Synology |
| Management & Protocols | |
| Protocols | CalDAV |
| CIFS | |
| DLNA | |
| FTP | |
| HTTP | |
| HTTPS | |
| iSCSI | |
| LDAP | |
| NFS | |
| NFSv3 | |
| NFSv4 | |
| NFSv4.1 | |
| SMB | |
| SMB 1.0 | |
| SMB 2.0 | |
| SMB 3.0 | |
| SNMP | |
| WEBDAV | |
| AFP | |