QNAP TL-R1620SDC 16-Bay SAS-3 / SATA III JBOD Expansion Enclosure with Dual Controllers

Overview

The QNAP TL-R1620SDC-US is a 16-bay SAS-3 and SATA III JBOD expansion enclosure designed to significantly increase storage capacity for enterprise and professional IT environments. It supports 12 Gb/s SAS-3 and 6 Gb/s SATA III drives, providing flexible options for adding storage without the complexity of RAID configurations. This 3U rackmount unit features dual controllers with a dual-path design to ensure continuous data access and high availability, making it a dependable choice for critical storage expansion.

Equipped with six 12 Gb/s mini-SAS (SFF-8644) ports and Broadcom SAS DataBolt technology, it optimizes bandwidth and supports daisy-chaining up to 16 units, allowing extensive scalability. Redundant 550W power supplies further enhance reliability, ensuring smooth operation even if one power source fails. Compatibility with QNAP NAS systems running QTS or QuTS hero 4.5.1 and later, as well as Windows Server 2019, makes it versatile for various IT infrastructures.

Key features

• Supports both 2.5" and 3.5" SAS-3 and SATA III drives in a JBOD configuration for flexible storage expansion
• Dual-controller architecture with dual-path design provides uninterrupted data access and prevents downtime
• Six 12 Gb/s mini-SAS (SFF-8644) ports enable fast and reliable connectivity to NAS or server systems
• Broadcom SAS DataBolt technology optimizes bandwidth when mixing drives with different speeds, enhancing overall performance
• Redundant 550W power supplies maintain continuous operation even if one power supply fails
• Supports daisy-chaining up to 16 enclosures, allowing large-scale storage expansion without added complexity
• Managed through QNAP NAS QES OS and JBOD Manager for Windows, simplifying administration and monitoring
• Compact 3U rackmount design with short depth fits well in space-constrained server racks

Key specs

• Drive bays: 16 (supports 2.5" and 3.5" SAS-3 and SATA III drives)
• Interface: Six 12 Gb/s mini-SAS (SFF-8644) ports
• Controller: Dual-controller with dual-path design
• Power supply: Redundant 550W units
• Form factor: 3U rackmount with short depth
• Compatibility: QNAP NAS QTS or QuTS hero 4.5.1 and later, Windows Server 2019
• Daisy-chaining: Supports up to 16 enclosures

Connectivity and compatibility

This enclosure connects to compatible NAS or server systems via six 12 Gb/s mini-SAS (SFF-8644) ports, ensuring high-speed data transfer and reliable communication. Its support for both SAS-3 and SATA III drives allows integration with a wide range of storage media. The unit is compatible with QNAP NAS systems running QTS or QuTS hero 4.5.1 and later versions, as well as Windows Server 2019, making it suitable for diverse IT environments.

The ability to daisy-chain up to 16 units simplifies large-scale storage expansion without requiring additional complex infrastructure, which is especially useful for growing businesses or data-intensive applications.

Performance and reliability

The dual-controller design with dual-path architecture ensures that data access remains uninterrupted even if one controller fails, which is critical for environments where downtime is not an option. Redundant 550W power supplies provide an extra layer of reliability by maintaining power continuity in case of a failure. Broadcom SAS DataBolt technology intelligently manages bandwidth when mixing drives of different speeds, maximizing performance across the storage pool.

This combination of features makes the enclosure a strong choice for enterprise storage expansion where consistent uptime and efficient data handling are priorities.

Ideal uses and environments

The TL-R1620SDC-US is well suited to businesses and IT professionals who require scalable, high-capacity storage expansion without the complexity of RAID setups. It fits well in data centers, media production environments, backup storage solutions, and any setting where large volumes of data need to be stored and accessed reliably. Its compact 3U rackmount design also makes it a practical option for server rooms with limited space.

This enclosure is a solid match for users who already operate QNAP NAS systems or Windows Server 2019 and want to extend their storage seamlessly while maintaining high availability and performance.