SYNOLOGY RACKSTATION RS3621RPXS | 12-BAY, INTEL XEON D-1531, 8GB – DISKLESS
FEATURES:
- Powerful Performance – Over 315,000 random read IOPS and 4,600MB/s sequential read performance
- Powerful Compute – Host multiple compute-intensive services with its 6-core Intel processor
- Upgradability – Two PCIe expansion slots allow for M.2 NVMe cache adapters and high-bandwidth network cards
- Redundant Power – Ensure business continuity with two redundant power supplies
- On-Demand Scalability – Supports up to 36-drive bays using two RX1217RP / RX1217
Synology RackStation RS3621RPxs | 12-Bay, Intel Xeon D-1531, 8GB - Diskless
Accelerating Business Workloads with Enterprise-Grade Data Protection
The Synology RackStation RS3621RPxs is a powerful 12-bay 2U storage solution with built-in redundant power. Engineered to deliver high throughput and robust data protection, its 6-core processor enables it to handle the demanding workloads of modern business environments. DiskStation Manager (DSM) provides comprehensive software solutions covering file management, data protection, surveillance, collaboration, virtualisation and more.
FEATURES:
- Powerful Performance - Over 315,000 random read IOPS and 4,600MB/s sequential read performance
- Powerful Compute - Host multiple compute-intensive services with its 6-core Intel processor
- Upgradability - Two PCIe expansion slots allow for M.2 NVMe cache adapters and high-bandwidth network cards
- Redundant Power - Ensure business continuity with two redundant power supplies
- On-Demand Scalability - Supports up to 36-drive bays using two RX1217RP / RX1217
SPECIFICATIONS:
| HARDWARE SPECIFICATIONS | ||
| CPU | CPU Model | Intel Xeon D-1531 |
| CPU Quantity | 1× | |
| CPU Core | 6× | |
| CPU Architecture | 64bit | |
| CPU Frequency | 2.2 (Base) / 2.7 (Turbo) GHz | |
| Hardware Encryption Engine | Yes | |
| Memory | System Memory | 8GB DDR4 ECC UDIMM |
| Memory Module Pre-installed | 1× 8GB (1× 8GB) | |
| Total Memory Slots | 4× | |
| Maximum Memory Capacity | 64GB (4× 16GB) | |
| 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 multi-module memory configurations, all modules must be identical and share the same model number. Check the Product Manual of your Synology product for recommended memory configurations. | ||
| Storage | Drive Bays | 12× |
| Maximum Drive Bays with Expansion Unit | 36× (2× RX1217) | |
| Drive Types | 3.5" SATA HDD | |
| 2.5" SATA SSD | ||
| Hot Swappable Drive | Yes | |
| 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. | |
| External Ports | RJ45 1GbE LAN Port | 4× |
| USB3.2 Gen1 Port | 2× | |
| Expansion Port | 2× | |
| Expansion Port Type | Infiniband | |
| PCIe | PCIe Expansion | 2× Gen3 x8 Slots (x8 Link) |
| Appearance | Form Factor (RU) | 2U |
| Dimensions (H × W × D) | 88 × 482 × 724mm | |
| Weight | 14.5kg | |
| Rack Installation Support | 4-Post 19" Rack (Synology Rail Kit - RKS-02) | |
| Notes | The rail kit is sold separately | |
| Others | System Fan | 4× 80 × 80mm |
| Fan Speed Mode | Full-Speed Mode | |
| Cool Mode | ||
| Quiet Mode | ||
| Easy Replacement System Fan | Yes | |
| Power Recovery | Yes | |
| Noise Level | 50.2dB(A) | |
| Scheduled Power On / Off | Yes | |
| Wake on LAN / WAN | Yes | |
| Power Supply Unit / Adapter | 550W | |
| Redundant Power Supply | Yes | |
| AC Input Power Voltage | 100~240VAC | |
| Power Frequency | 50/60Hz, Single Phase | |
| Power Consumption | 140.01W (Access) | |
| 65.94W (HDD Hibernation) | ||
| British Thermal Unit | 477.43 BTU/hr (Access) | |
| 224.86 BTU/hr (HDD Hibernation) | ||
| Notes | 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 1m away from the Synology NAS at the front and rear. Background noise: 16.49~17.51dB(A); Temperature: 24.25~25.75°C; Humidity: 58.2~61.8% | |
| Temperature | Operating Temperature | 0~35°C |
| Storage Temperature | -20~60°C | |
| Operating Humidity | 8~80% RH | |
| Storage Humidity | 5~95% RH | |
| Certification | FCC | |
| CE | ||
| BSMI | ||
| VCCI | ||
| RCM | ||
| EAC | ||
| CCC | ||
| KC | ||
| BIS | ||
| UL | ||
| Warranty | 5-Years | |
| Notes | The warranty period starts from the purchase date as stated on your purchase receipt. | |
| Environment | RoHS Compliant | |
| Package Contents | 1× Main Unit | |
| 1× Accessory Pack | ||
| 2× AC Power Cords | ||
| 1× Quick Installation Guide | ||
| Optional Accessories | DDR4 ECC UDIMM: D4EC-2666-8G / D4EC-2666-16G | |
| Expansion Units: RX1217 / RX1217RP | ||
| Enterprise Series 3.5" SATA HDD: HAT5300 Series | ||
| Enterprise Series 2.5" SATA SSD: SAT5200 Series | ||
| M.2 SSD and 10GbE Combo Adapter Card: E10M20-T1 | ||
| M.2 SSD Adapter Card: M2D20 | ||
| 25GbE Network Interface Card: E25G30-F2 | ||
| 10GbE Network Interface Card: E10G30-F2 / E10G30-T2 / E10G18-T1 | ||
| Rail Kit Sliding: RKS-02 | ||
| Notes | All memory modules will operate at the maximum frequency specified by the CPU manufacturer. | |
| DSM SPECIFICATIONS | ||
| Storage Management | Maximum Single Volume Size | 1PB (64GB Memory Required, for RAID 6 Groups Only) |
| 200TB (32GB Memory Required) | ||
| 108TB | ||
| Maximum Internal Volume Number | 128× | |
| SSD Read / Write Cache | Yes | |
| SSD TRIM | Yes | |
| RAID Group | Yes | |
| Supported RAID Type | RAID F1 | |
| 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 | RAID F1 | |
| RAID 1 | ||
| RAID 5 | ||
| RAID 6 | ||
| RAID 10 | ||
| Volume Expansion by Adding a HDD | RAID F1 | |
| JBOD | ||
| RAID 5 | ||
| RAID 6 | ||
| Global Hot Spare Supported RAID Type | RAID F1 | |
| RAID 1 | ||
| RAID 5 | ||
| RAID 6 | ||
| RAID 10 | ||
| Notes | Volumes over 108TB require 32GB of memory or more. | |
| Actual maximum storage pool and volume sizes depend on drive sizes used, the number of drive bays available and the RAID configuration. | ||
| Usable capacity for each volume will be lower than the maximum volume size and is dependent on the filesystem and the amount of system metadata stored. | ||
| When Peta Volume is enabled, validated services and packages are required. | ||
| File System | Internal Drives | Btrfs |
| ext4 | ||
| External Drives | Btrfs | |
| ext4 | ||
| ext3 | ||
| FAT32 | ||
| NTFS | ||
| HFS+ | ||
| exFAT | ||
| File Services | File Protocol | SMB |
| AFP | ||
| NFS | ||
| FTP | ||
| WebDAV | ||
| Rsync | ||
| Maximum Number of SMB Connections (FSCT-Based) | 1,000× | |
| Windows Access Control List (ACL) Integration | Yes | |
| NFS Kerberos Authentication | Yes | |
| Notes | Connection value of this model is tested with Synology SATA SSD fully populated and up to four 10GbE network ports. | |
| Models with expandable memory are tested with the maximum supported quantity installed. | ||
| SMB performance was evaluated using Microsoft File Server Capacity Tool (FSCT) version 1.3 with the following configuration: | ||
| Test workload: HomeFolder scenario provided by the FSCT tool | ||
| Test duration: 600 seconds | ||
| Domain controller and FSCT controller: Windows Server 2022 | ||
| FSCT clients: 8× Windows 10 machines | ||
| SMB feature: Directory leasing enabled | ||
| Account and Shared Folder | Maximum Local User Accounts | 5,120× |
| Maximum Local Groups | 512× | |
| Maximum Shared Folder | 512× | |
| Maximum Shared Folder Sync Tasks | 16× | |
| Hybrid Share | Maximum Hybrid Share Folders | 15× |
| Hyper Backup | Folder and Package Backup | Yes |
| Entire System Backup | Yes | |
| Notes | Full-system backup requires DSM 7.2 or later. | |
| High Availability | Synology High Availability | Yes |
| Log Center | Syslog Events per Second | 3,000× |
| Virtualisation | VMware ESXi 6.5 and VAAI | Yes |
| Windows Server 2016 | Yes | |
| Windows Server 2019 | Yes | |
| Windows Server 2022 | Yes | |
| Citrix Ready | Yes | |
| OpenStack | Yes | |
| General Specifications | Supported Protocols | SMB1 (CIFS), SMB2, SMB3, NFSv3, NFSv4, NFSv4.1, NFS Kerberized sessions, iSCSI, Fibre Channel, HTTP, HTTPs, FTP, SNMP, LDAP, CalDAV |
| Supported Browsers | Chrome | |
| Firefox | ||
| Edge | ||
| Safari | ||
| 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 | ||
| Central Management System | Yes | |
| Synology Chat | Maximum Number of Users | 500× |
| Notes | Measured with simulated users, each with an average record of 20,000 messages, emojis, or stickers. The required server response time is below ten seconds. | |
| Models with expandable memory are tested with the maximum supported quantity installed. | ||
| Download Station | Maximum Concurrent Download Tasks | 80× |
| SAN Manager | Maximum iSCSI Target Number | 128× |
| Maximum LUN | 256× | |
| LUN Clone / Snapshot, Windows ODX | Yes | |
| Synology MailPlus / MailPlus Server | Free Email Accounts | 5× (Additional accounts require purchase of licenses) |
| Maximum Number of Users | 2,200× | |
| Notes | The suggested maximum number of users is based on the following workload: 20% of users with a 20,000× item mailbox randomly performing actions and receiving 240× emails per day and 80% of users receiving 20× emails per day. | |
| Models with SSD support are tested with a single SSD volume. | ||
| Models with expandable memory are tested with the maximum supported quantity installed. | ||
| Operating in high-availability mode will incur additional overhead. | ||
| Features enabled during evaluation: anti-spam, anti-virus, DNSBL, greylist, content scanning and full-text search (English). | ||
| Media Server | DLNA Compliance | Yes |
| Synology Photos | Facial Recognition | Yes |
| Object Recognition | Yes | |
| Snapshot Replication | Maximum Snapshots per Shared Folder | 512× |
| Maximum of System Snapshots | 16,384× | |
| Surveillance Station | Default Licenses | 2× (Additional Cameras Require Purchase of Licenses) |
| Suggested Maximum IP Cameras and Total FPS (H.264) | 1080p: 75-Channels, 2100fps | |
| 3M: 75-Channels, 1500fps | ||
| 5M: 75-Channels, 900fps | ||
| 4K: 55-Channels, 550fps | ||
| Suggested Maximum IP Cameras and Total FPS (H.265) | 1080p: 75-Channels, 2250fps | |
| 3M: 75-Channels, 2250fps | ||
| 5M: 75-Channels, 1500fps | ||
| 4K: 75-Channels, 900fps | ||
| Notes | Performance figures are obtained from testing conducted with the device fully populated with drives, with their default memory configuration and under a continuous recording setup. Actual system capabilities may vary based on configuration, drive performance, enabled features and the presence of additional workloads. | |
| Use NVR Selector to quickly find a suitable model based on your requirements. | ||
| The number of streams that can be viewed simultaneously is twice the suggested maximum number of cameras. For example, if the suggested maximum number of cameras for a model is 10× under H.264, 1080p, the model can support up to 20× streams of the same specification at the same time. | ||
| Synology Drive | Maximum Number of Users | 1,900× |
| Maximum Number of Hosted Files | 15,000,000× (Applies to Files Indexed or Hosted by Synology Drive. For File Access Through Other Standard Protocols, Refer to the File Services Section Above) | |
| Notes | The suggested maximum number of users is based on the following workload: 20% of users randomly perform file operations (upload, download, move, and delete) and 80% of users are logged in but idle. | |
| Models with SSD support are tested with a single SSD volume. | ||
| Models with expandable memory are tested with the maximum supported quantity installed. | ||
| Exceeding the recommended numbers above will not block application operations, but may result in longer response time. | ||
| Btrfs file system and non-encrypted shared folders were used during the aforementioned testing. | ||
| Synology Office | Maximum Number of Users | 1,900× |
| Notes | The suggested maximum number of users is based on the following workload: 20% of users are executing random actions at an average of 30-second intervals and 80% of users are logged in and viewing a file. | |
| Models with SSD support are tested with a single SSD volume. | ||
| Models with expandable memory are tested with the maximum supported quantity installed. | ||
| Client performance may affect maximum simultaneous editing users. Client PCs used for testing: Intel Core i3-3220 / 8GB RAM | ||
| Virtual Machine Manager | Recommended Virtual Machine Instances | 12× |
| Recommended Virtual DSM Number (Licenses required) | 12× (Including 1× Free License) | |
| Notes | The specifications vary depending on system configuration and memory size. | |
| VPN Server | Maximum Connections | 16× |
Additional information
| Weight | 19.65 kg |
|---|---|
| Dimensions | 83 × 58 × 21 cm |
