QNAP TS-859U-RP+Storage

Introduction to QNAP TS-859U-RP+

The QNAP TS-859U-RP+ is a solid 2U rackmount NAS designed for small to medium-sized enterprises and demanding home setups. Featuring eight hot-swappable SATA bays, dual redundant power supplies, and a dual-core Intel Atom 1.8 GHz processor, this NAS delivers a cost-effective, reliable storage solution. It runs QNAP’s versatile QTS operating system, supporting NAS and iSCSI IP-SAN operations, virtualization, and a suite of business-class applications—bringing enterprise-level storage consistency at a great value.

 Core Benefits of QNAP TS-859U-RP+

The QNAP TS-859U-RP+ sets itself apart with a blend of affordability, functionality, and resilience:

• Efficient Dual-Core Performance – Powered by an energy-saving Intel Atom dual-core 1.8 GHz processor paired with 1 GB DDR2 RAM, ideal for multitasking and virtualization workloads.

• High Storage Flexibility – Equipped with eight hot-swappable SATA I/II bays for 2.5″ or 3.5″ drives, offering flexible RAID, JBOD, and expansion options.

• Robust Redundancy & Reliability – Includes dual hot-swappable 300 W power supplies, smart cooling fans, and system alerts for uninterrupted operation.

• Optimal I/O and Networking – Comes with 2× Gigabit LAN ports (with link aggregation), 4× USB 2.0 ports, 2× eSATA ports, and management via a monochrome LCD panel.

• Advanced Virtualization & iSCSI Support – Certified for VMware vSphere, Citrix, Hyper-V, and Windows clustering; supports iSCSI LUNs with CHAP authentication and robust ACLs.

• Comprehensive Business Apps – Offers file sharing (SMB, AFP, FTP, Web), WebDAV, DFS, IPv6/IPv4 dual-stack, automated backups (Time Machine, RTRR, rsync), web server, surveillance, and security tools.

 Standout Features

Hardware & Expandability

The QNAP TS-859U-RP+ runs on an efficient Intel Atom CPU and includes essential business-grade features such as hot-swap bays, redundant PSUs, and system monitoring via LCD.

Storage Versatility

Supports a wide variety of drive sizes and array types, while offering expansion through its external ports. Ideal for scalable environments.

Virtualization and SAN

This NAS is not just a file server—it’s a capable IP SAN with LUN support, virtualization readiness, and clustered environment suitability.

Smart Cooling & Quiet Design

Its internal layout and smart fans ensure low noise emissions, fitting even quieter office or broadcast environments.

Superior Management Tools

Features intuitive setup tools and a clean web UI, with advanced features that even include built-in web hosting and surveillance functionalities.

Use Cases

• Affordable Virtualization Storage – Perfect for SMBs needing a budget-friendly VM storage target with iSCSI and high SMB compatibility.

• Enterprise IP SAN & File Sharing Hub – Integrates seamlessly into VMware and Microsoft clusters, diversifying file and block storage.

• Robust Data Backup Appliance – Supports comprehensive backup strategies with RAID and snapshot technologies.

• Compact Rack NAS for SMBs – Fills server closets as a reliable, powerful NAS solution with expandability for growing businesses.

Performance Advantages

• Reliability through Redundancy – With dual PSUs and smart cooling, uptime is maximized.

• Efficient NAS Performance – Delivers solid throughput for general workloads (~75 MB/s writes, ~110 MB/s reads).

• Optimized for Small Clusters – Excellent for small clusters or virtual setups—not intended to match high-end enterprise arrays but performs reliably for its class.

 Real-World Feedback

IT Pro noted it as “great value with plenty of fault tolerance”, citing smart RAID options and stable performance for business use. Tweaktown appreciated its enterprise robustness without excessive noise or complexity.

 Why Choose QNAP TS-859U-RP+?

Choose the QNAP TS-859U-RP+ because it delivers:

• Rack-ready enterprise storage with virtualization support

• Dual redundancy and scalable storage flexibility

• Full business features including iSCSI, backup, and surveillance

• Quiet operation within a 2U compact design

• Strong software ecosystem and long-term reliability

Conclusion

The QNAP TS-859U-RP+ is a dependable, scalable NAS tailored for value-conscious SMBs and virtualization-focused setups. With enterprise features like hot-swappable bays, RAID, redundant power, iSCSI, and virtualization support—all in a compact 2U chassis—it offers powerful storage capabilities at a friendly price.

Check full specs and datasheet below : Spec sheet