Synology RS1221RP+ SAN/NAS Storage System

The RS1221+/RS1221RP+, at only 30 to 38 centimeters deep, is built for space-sensitive deployments. Boasting over 100K 4K random read IOPS and 2,315 MB/s sequential read1, the RS1221+/RS1221RP+ is equipped to handle heavy workloads in data-intensive environments. The RS1221RP+ additionally features an extra level of protection with redundant power supplies.

A compact design for space efficiency:
- The RS1221+ and its RX418 expansion units are designed to help you save space in compact deployments. At only 30 centimeters, half the length of a typical 2U unit, it fits perfectly snug onto 2-post or shallow rackmount enclosures. The RS1221RP+ with dual power supplies comes in at 38 cm, also fitting most shallow depth enclosures.2

- Fits into shallow rackmount enclosures
- Easy-to-install on 2-post racks

Redundant power:
- Reduce the chance that power disruptions on a single distribution channel or PDU causes data and service availability degradation.

Maximize service availability:
- When paired with another identical unit, Synology High Availability enables automatic minute-level failover between two clustered servers in the event of a server failure to minimize service downtime

Data integrity and protection:
- ECC memory and the Btrfs file system bring higher reliability and snapshot capabilities to help prevent data corruption and simplify data protection

High performance storage for anything:
- Up to 2,315/1,147 MB/s sequential read and write throughput and over 100K/54K random read/write IOPS ensures ample performance for demanding workloads.1


Maximize data availability:
Hyper Backup:
- A comprehensive backup and recovery solution for added data protection. Create backup destinations locally, on another Synology device, rsync servers, or cloud-based destinations, such as Google Drive, Dropbox, S3-compatible destinations, and Synology C2 Storage, a dedicated backup destination for Synology devices. Deduplication, integrity checks, and incremental transfer technology reduce bandwidth and storage use.

Snapshot Replication:
- Easily schedule flexible point-in-time backups of shared folders and LUNs with an RPO as low as 5 minutes and recovery in seconds. Set up replication and failover to other Synology storage systems for fast RTOs and minimal service disruption.

Fully certified storage virtualization solutions:
- Synology iSCSI storage fully supports mainstream virtualization solutions to enhance work efficiency with an easy management interface. VMware vSphere 6 and VAAI integration helps offload storage operations. Windows Offloaded Data Transfer (ODX) speeds up data transfer. OpenStack Cinder support turns your Synology NAS into a block-based storage component. Additionally Synology Storage Console enables even more simplified storage provisioning and management options in VMware and Windows environments.

RackStation RS1221+:
- Power indicator
- Power button
- Alert Off Button
- Status indicator
- Alert indicator
- Drive status indicator
- Drive tray
- System fan
- PCIe expansion slot
- Reset button
- USB 3.2 Gen 1 port
- 1GbE RJ-45 port
- Expansion port
- Console port
- Power port


Specifications:

Hardware:
- CPU Model: AMD Ryzen V1500B
- CPU Quantity: 1
- CPU Architecture: 64-bit
- CPU Frequency: 4-core 2.2 GHz
- Hardware Encryption Engine: (AES-NI)Yes

Memory:
- System Memory: 4 GB DDR4 ECC SODIMM
- Memory Module Pre-installed: 4 GB (4 GB x 1)
- Total Memory Slots: 2
- Maximum Memory Capacity: 32 GB (16 GB x 2)

Notes:
- 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.
- 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.

Storage:
- Drive Bays: 8
- Maximum Drive Bays with Expansion Unit: 12 (RX418 x 1)
- Compatible Drive Type* (See all supported drives): 3.5´´ SATA HDD, 2.5´´ SATA HDD, 2.5´´ SATA SSD
- Maximum Single Volume Size: 108 TB
- Hot Swappable Drive: Yes

Notes:
- 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.
- Each internal volume (may consist of multiple drives) is expandable up to 108TB.

External Ports:
- RJ-45 1GbE LAN Port: 4 (with Link Aggregation / Failover support)
- USB 3.2 Gen 1 Port: 2
- eSATA 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 Systemv:
- Internal Drives:
- Btrfs
- EXT4
- External Drives:
- Btrfs
- EXT4
- EXT3
- FAT
- NTFS
- HFS+
- exFAT*
- Notes: exFAT Access is purchased separately in Package Center.

Appearance:
- Form Factor (RU): 2U
- Size (Height x Width x Depth): 88 mm x 482 mm x 407.5 mm
- Weight: 11.7 kg
- Rack Installation Support: 4-post 19´´ rack (Synology Rail Kit - RKS1317)
- Notes: The rail kit is sold separately

Others:
- System Fan: 80 mm x 80 mm x 2 pcs
- Fan Speed Mode:
- Full-Speed Mode
- Cool Mode
- Quiet Mode

Power Recovery: Yes
- Noise Level: 40 dB(A)
- Scheduled Power On / Off: Yes
- Wake on LAN / WAN: Yes
- Power Supply Unit / Adapter: 350 W
- Redundant Power Supply: Yes
- AC Input Power Voltage: 100 V to 240 V AC
- Power Frequency: 50/60 Hz, Single Phase
- Power Consumption: 61.94 W (Access) 29.98 W (HDD Hibernation)
- British Thermal Unit: 211.35 BTU/hr (Access) 102.30 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
- VCCI
- RCM
- 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 SODIMM: D4ES01-4G/D4ES01-8G/D4ECSO-2666-16G
- Expansion Units: RX418
- 3.5´´ SATA HDD: HAT5300
- 2.5´´ SATA SSD: SAT5200
- 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: RKS1317
- VisualStation: VS960HD/VS360HD
- Surveillance Device License Pack

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

Software:
Storage Management:
- Maximum Internal Volume Number: 64
- SSD Read / Write Cache (White Paper): Yes
- SSD TRIM: Yes

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

Volume Expansion with Larger HDDs:
- Synology Hybrid RAID
- RAID 1
- RAID 5
- RAID 6
- RAID 10

Volume Expansion by Adding a HDD:
- Synology Hybrid RAID
- JBOD
- RAID 5
- RAID 6

Global Hot Spare Supported RAID Type:
- Synology Hybrid RAID
- RAID 1
- RAID 5
- RAID 6
- RAID 10

File Services:
- File Protocol: SMB/AFP/NFS/FTP/WebDAV
- 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: Yes
- NFS Kerberos Authentication: Yes

Notes
- Regarding data concerning tests with RAM expansion, all memory slots are installed with the maximum capacity of supported RAM.
- The testing standard was based on the maximum number of concurrent connections supported by this model. During the testing, 25% of the connections were used to transfer files concurrently. The transfer process guaranteed that the connections were not interrupted; the minimum transfer speed was not guaranteed.

Account & Shared Folder:
- Maximum Local User Accounts: 2,048
- Maximum Local Groups: 256
- Maximum Shared Folder: 512
- Maximum Shared Folder Sync Tasks: 16

High Availability:
- Synology High Availability: Yes

Log Center:
- Syslog Events per Second: 800

Virtualization:
- VMware vSphere with VAAI: Yes
- Windows Server 2016: Yes
- Windows Server 2019: Yes
- Citrix Ready: Yes
- OpenStack: Yes

General Specifications:
- 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
- Internet Explorer 11 onwards
- Safari 13 onwards
- Safari (iOS 13.0 onwards)
- Google Chrome (Android 11.0 onwards)
- 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): Yes
- Central Management System: Yes
- Synology Chat: Yes
- Maximum Users: 1,500

Notes:
- The number of concurrent HTTP connections for Synology Chat was configured to the maximum.
- For tested models with expandable memory, the maximum amount of RAM was installed.-

- Document Viewer: Yes

Download Station:
- Maximum Concurrent Download Tasks: 80
- exFAT Access (Optional): Yes

iSCSI Manager:
- Maximum iSCSI Target Number: 128
- Maximum iSCSI LUN: 256
- iSCSI LUN Clone/Snapshot, Windows ODX: Yes

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

Notes:
- Models with more than 4 bays were installed with two SSDs for SSD cache.
- For tested models with expandable memory, the maximum amount of RAM was installed.
- The performance of the mail system will slightly decrease in high-availability mode due to data synchronization between the two servers.
- Functions that were enabled in all of the tests above: anti-spam, anti-virus, DNSBL, greylist, content scan, full-text search (English only).

Media Server:
- DLNA Compliance: Yes

Moments:
- Facial Recognition: Yes
- Subject Recognition: Yes
- Auto Color & Rotate: Yes
- Moments Select: Yes

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) (See All Supported IP Cameras)
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)

Notes:
- Surveillance Station throughput is tested with Axis network camera, using continuous recording with live view from Surveillance Station and motion detection by camera. Live view and recording are sharing the same stream from the camera.
- The maximum channel number also includes devices installed on Virtual DSM.
- Total FPS may be affected by other services running at the same time (e.g., archive tasks performed by Archive Vault).

Synology Drive:
- Recommended Number of Hosted Files: 1,000,000 (applies to files indexed or hosted by Synology Drive. For file access through other standard protocols, refer to the File Services section above)
- Recommended Number of Concurrent Sync Clients: 550 (the number of connections that can be maintained when the recommended number of hosted files was reached)

Notes:
- Exceeding the recommended numbers above will not block application operations, but may result in longer response time.
- Utilizing SSD cache can significantly improve performance.
- For tested models with expandable memory, the maximum amount of RAM was installed.
- Btrfs file system and non-encrypted shared folders were used during the aforementioned testing.

Synology Office:
-0 Maximum Users: 1,800

Notes:
- Multiple files were opened for testing and each file was edited by 30 users simultaneously.
- For tested models with expandable memory, the maximum amount of RAM was installed.
- Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM
- Video Station: Yes

Virtual Machine Manager:
- 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.

VPN Server:
- Maximum Connections: 30

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