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Synology RS3618xs: Enterprise-Grade NAS for Scalable Storage and High Performance

Overview of Synology RS3618xs

The Synology RS3618xs is a 12-bay rackmount NAS designed for businesses requiring robust storage, high-speed data access, and seamless scalability. Built for enterprise environments, it combines exceptional performance, data security, and flexible expandability, making it ideal for mission-critical applications such as virtualization, data archiving, and collaborative workflows. Equipped with a quad-core processor and 16GB DDR4 ECC RAM, the RS3618xs delivers exceptional throughput for multi-user environments. Businesses can efficiently manage large datasets while ensuring low-latency access and high reliability for concurrent operations.

Key Hardware Specifications

  • Processor: Intel Xeon D-1521 Quad-core 2.4 GHz, burst up to 2.7 GHz

  • Memory: 16GB DDR4 ECC RAM, expandable to 48GB

  • Drive Bays: 12 bays, hot-swappable

  • Maximum Raw Capacity: Up to 144TB (with 12 x 12TB drives)

  • Network: 4 x 1GbE ports, optional 10GbE upgrade

  • Expansion Support: RX1217/RX1217RP expansion units, adding up to 144 additional drives

This configuration ensures massive storage potential, high data integrity through ECC memory, and the flexibility to scale with business growth.

Performance and Efficiency

The RS3618xs delivers SATA III 6Gb/s drive support and optimized RAID configurations, offering high sequential read/write speeds:

  • Sequential Read: Up to 3,479 MB/s

  • Sequential Write: Up to 1,427 MB/s

The system supports RAID 0, 1, 5, 6, 10, and Synology Hybrid RAID (SHR), allowing IT teams to balance data protection and storage efficiency based on organizational needs.

Advanced Caching

The RS3618xs supports SSD caching, dramatically improving random read/write performance. By combining SSDs for caching with HDDs for bulk storage, businesses can:

  • Accelerate database queries

  • Improve virtual machine responsiveness

  • Enhance overall I/O performance for multi-user environments

Data Protection and Reliability

The RS3618xs emphasizes enterprise-grade reliability:

  • ECC RAM prevents data corruption

  • Hot-swappable drives reduce downtime during replacements

  • RAID & SHR configurations protect against disk failure

  • Snapshot Replication provides point-in-time recovery for critical files

Additional features include AES-NI hardware encryption, supporting full volume encryption without compromising performance, and safeguarding sensitive corporate data.

Virtualization and Business Integration

RS3618xs integrates seamlessly with VMware, Hyper-V, and Citrix environments, supporting iSCSI LUN mapping and thin provisioning. Features include:

  • High IOPS for virtual machines

  • Concurrent multi-VM operation

  • Centralized storage management for enterprise IT

Businesses can deploy the RS3618xs as a centralized storage hub, enhancing collaboration across departments while maintaining strict data governance.

Network and Connectivity

Equipped with four Gigabit Ethernet ports, the RS3618xs enables:

  • Link aggregation for increased throughput

  • Failover protection for network redundancy

  • Optional 10GbE network card for ultra-fast data transfer

These features ensure the NAS can handle heavy network traffic, critical for video editing, large-scale backups, and multi-site deployments.

Synology DSM: Advanced Software Ecosystem

The RS3618xs leverages Synology DiskStation Manager (DSM), a feature-rich operating system for enterprise NAS:

  • Centralized File Sharing: SMB, AFP, NFS, FTP, WebDAV

  • Backup Solutions: Active Backup for Business, Hyper Backup, Snapshot Replication

  • Collaboration Tools: Synology Drive, Office, Chat, and Calendar

  • Security and Monitoring: Security Advisor, 2FA, and automatic updates

DSM transforms the RS3618xs from a simple storage unit into a comprehensive enterprise data platform, supporting hybrid IT environments.

Energy Efficiency and Maintenance

Despite its high performance, the RS3618xs is energy-efficient:

  • Intelligent fan and power management

  • Hibernation and scheduled spin-down for unused drives

  • Reduces operational costs in data centers

Maintenance is simplified through front-accessible drives, hot-swappable fans, and a modular PSU design, ensuring minimal disruption during service.

Ideal Use Cases

  • Enterprise File Storage: Centralized repository for departments

  • Virtualization: Hosting multiple virtual machines with high IOPS

  • Backup and Disaster Recovery: Multi-site backup using Snapshot Replication

  • Media and Content Management: High-speed editing and archiving of large media files

The Synology RS3618xs offers unmatched scalability, reliability, and performance for businesses seeking an enterprise-grade NAS solution. With a combination of powerful hardware, modular expandability, and the DSM software ecosystem, it is optimized for demanding IT environments, providing secure, high-performance, and future-ready storage infrastructure.

About Epis Technology

At Epis Technology, we specialize in Synology consulting, IT infrastructure, and data protection solutions tailored for modern businesses. Our Synology Consulting Services help organizations deploy, configure, and optimize solutions like the RS3618xs for maximum performance, reliability, and scalability. From implementation to ongoing support, Epis Technology ensures seamless integration with your IT ecosystem, empowering enterprises to achieve efficiency, resilience, and secure data management.

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