QNAP TS-855EU-RP-8G SAN/NAS Storage System

The QNAP TS-855EU-RP-8G SAN/NAS Storage System is a high-density, 8-bay 2U rackmount NAS designed to power flexible IT deployments and comprehensive virtualization workflows. Built to fit in compact racks in offices, AV rooms, or data closets, this appliance blends enterprise-grade storage with rugged reliability, making it ideal for small to mid-size businesses that require robust data protection, scalable capacity, and seamless virtualization. With an eight-core computing backbone, redundant power, and enterprise-grade networking, the TS-855EU-RP-8G delivers dependable storage performance for virtual machines, containerized apps, backups, and shared file services—all under a streamlined, easy-to-manage platform.

• 8-bay, 2U short-depth rackmount design: The TS-855EU-RP-8G packs eight hot-swappable drive bays into a compact 2U chassis. This form factor is ideal for compact data closets and audiovisual rooms where space is at a premium, yet you still need substantial, scalable storage. With 8 bays, you can implement a robust RAID strategy (RAID 0/1/5/6/10, JBOD) to balance performance, redundancy, and capacity, while keeping hardware footprint manageable.
• 8-core computing power and 8GB RAM: Designed for virtualization-heavy workloads, this model leverages an 8-core processor to handle multiple virtual machines, containers, and storage tasks in parallel. The 8GB of memory provides solid headroom for running Virtualization Station, Container Station, and other demanding services, ensuring snappy responsiveness even under mixed workloads. The configuration is optimized for virtualization-intensive deployments such as VDI, test labs, and multi-tenant NAS environments.
• 2.5GbE networking for SAN/NAS performance: Equipped with high-speed 2.5GbE network interfaces, the TS-855EU-RP-8G accelerates file transfers, VM migrations, backups, and iSCSI-based SAN operations. This network performance is especially valuable for virtualization-heavy environments, video workflows, and data-intensive collaboration where rapid access to shared storage matters as much as capacity.
• SAN/NAS versatility with data protection: This storage system supports traditional NAS file protocols (SMB, NFS, AFP) alongside SAN capabilities via iSCSI, enabling you to run both file-based services and block-level storage for virtualization platforms. Features like snapshot protection, data deduplication at the file level, and Btrfs-based protections help guard against accidental deletion and data corruption while enabling fast recovery.
• Redundant power for high availability: The RP designation indicates a hot-swappable, redundant power supply, delivering high availability in critical environments. In the event of a power supply failure, the system continues to operate, reducing downtime and preserving ongoing services. This redundancy is complemented by robust cooling and health monitoring to keep workloads stable 24/7.

Technical Details of TS-855EU-RP-8G SAN/NAS Storage System

• Form factor: 2U short-depth rackmount NAS
• Drive bays: 8 hot-swappable bays for 3.5" or 2.5" SATA drives (configurable)
• RAM: 8GB DDR4 pre-installed (memory configuration may vary by region)
• Networking: 2 x 2.5GbE network ports for high-speed LAN connectivity
• Power: Redundant hot-swappable power supply for uninterrupted operation
• Storage features: SAN and NAS support with iSCSI, SMB, and NFS; Btrfs file system with snapshots and flexible volume management
• Management: QTS operating system with Virtualization Station, Container Station, and Snapshot/Backup capabilities

how to install TS-855EU-RP-8G SAN/NAS Storage System

Step 1 — Prepare your rack and environment: Choose a stable rack location with adequate ventilation. Ensure power outlets and network cabling are accessible. Verify you have compatible drives ready for installation (3.5" or 2.5" SATA drives as supported by the chassis).

Step 2 — Rackmount and drive installation: Slide the TS-855EU-RP-8G into the rack and secure it. Install drives into the eight hot-swappable bays, following the tray release mechanism to ensure secure seating. Confirm drive LEDs indicate healthy connection and online status.

Step 3 — Power and initial connections: Connect the redundant power supply units to reliable power sources. Attach the two 2.5GbE network cables to your switch or data center network, ensuring proper VLAN tagging if required for your environment.

Step 4 — Initial software setup: Power on the system and access the QTS web interface using the default IP address or via the Qfinder utility. Follow the on-screen setup wizard to initialize storage pools, create volumes, and configure RAID according to your redundancy and performance goals.

Step 5 — Configure storage and services: Create storage pools and volumes, then assign shared folders. Enable essential services such as SMB/NFS for clients, iSCSI for SAN connections, and File Station for file access. Set up user accounts, permissions, and access controls to protect data integrity.

Step 6 — virtualized and container workloads: Install and configure Virtualization Station for running VMs, and Container Station for lightweight container apps. Allocate resources (CPU, memory, storage) to each VM/container based on workload requirements. Ensure backups and snapshots are scheduled for your key VMs and containers.

Step 7 — security and backups: Enable security features including access control, 2FA, and encryption options where available. Set up Hybrid Backup Sync or other backup solutions to protect on-prem data and replicate to a remote site or cloud. Regularly review event logs and health monitoring dashboards to preempt issues.

Step 8 — ongoing management: Establish user groups and permissions, configure shared folders with appropriate access, and implement data retention policies. Regularly update QTS and installed applications to protect against vulnerabilities. Consider setting up alert channels (email, SMS, or push notifications) to stay informed about system health and drive status.

Frequently asked questions

Q: What is the primary use case for the TS-855EU-RP-8G? A: It is designed as a versatile SAN/NAS storage solution with ample CPU power for virtualization and a compact 2U form factor. It suits environments that need reliable multi-tenant storage, high-availability capabilities, and efficient virtualization workflows within a compact rack.

Q: How many drive bays does it have? A: It features eight hot-swappable bays, enabling scalable storage expansion and robust RAID configurations for data protection and performance tuning.

Q: Does it support SAN and NAS simultaneously? A: Yes. The TS-855EU-RP-8G supports both NAS file sharing (SMB/NFS/AFP) and SAN block storage (iSCSI), allowing flexible deployment for file services and virtualization environments.

Q: What about redundancy and uptime? A: The model includes a redundant hot-swappable power supply (RP) to minimize downtime. This setup is designed for availability in production workloads, combined with proactive health monitoring and cooling to sustain long-term operation.

Q: Can virtualization be run directly on this NAS? A: Absolutely. The NAS is built with virtualization-ready features, including Virtualization Station and Container Station, enabling you to run virtual machines and containerized apps alongside your storage services.

Q: What network speeds can I expect? A: The TS-855EU-RP-8G provides 2.5GbE network interfaces, delivering faster data transfers for backups, VM migrations, and parallel I/O workloads compared to traditional gigabit Ethernet.

Q: Is the RAM upgradeable? A: The unit ships with 8GB RAM as part of its configuration. In many regional variants, memory can be upgraded to higher capacities; consult your specific regional specifications or contact support for upgrade options.