QNAP Enterprise ZFS NAS ES1686DC-R2-2142IT-128G SAN/NAS Storage System

QNAP Enterprise ZFS NAS ES1686DC-R2-2142IT-128G SAN/NAS Storage System

Ensure uninterrupted mission-critical business operations with the high-availability ES1686dc R2 NAS. With redundant controllers and power supplies, it minimizes downtime, allowing seamless component replacement without disruption, ensuring reliability and continuity for enterprises.

Dual active-active controllers

Dual active-active controllers provide supreme uptime and redundancy to ensure high availability.

NVRAM module

NVRAM reduces the risk of losing write cache data if unexpected power failure occurs.

QES operating system

Supports ZFS near-limitless snapshots, SnapSync, block-level data deduplication, and inline data compression.

Storage for virtualization

Supports VMware® vSphere®, Windows Server® and Citrix® XenServer® for storage virtualization.

10GbE SFP+ ports

Four 10GbE SFP+ ports (per controller) accelerate virtualization, large file sharing, and intensive data transfer.

PCIe Gen 3 slots

Two PCIe slots (per controller) allow for adding 10GbE/25GbE networking cards to increase application performance.

Active-Active architecture: 2 units in a single chassis | Active-Standby Architecture

If the active system fails, the standby system starts up and takes over processing.

• Requires purchasing two systems for HA, doubling the cost.


• Causes load imbalance as only the active system processes workloads.


• A power outage may lead to data loss.


• Network disconnection invalidates the HA architecture, rendering it ineffective.


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Active-Active Architecture

Both systems are active simultaneously.

• Both controllers handle traffic, optimizing workload distribution.


• Copy-To-Flash protection safeguards data against power failure.


• Dual-path SAS interface ensures seamless connectivity.


• Efficient resource utilization, reducing computational waste.


• High-speed, uninterrupted, and high-availability storage service.


• Supports multiple communication protocols: SMB, NFS, and iSCSI.

• SAN/NAS Storage System is the single answer to all your desired storage needs


• Holds up to 16 HDDs to let you expand limitlessly


• Through RAID levels (0, 1, 5, 6, 10, 50, 60, raid-tp), RAID provides data reliability, fault tolerance and improves overall performance


• DDR4 SDRAM memory technology for dependable data storage with maximum usability


• Experience unmatched performance, built-in security and remote management capabilities with Intel Xeon 1.90 ghz processor


• RAID technology - data reliability, fault tolerance and improved overall performance


• Rack-mountable san/nas storage system allows a clutter-free, convenient usage with increased efficiency


• Optimize business network's performance with 10 Gigabit Ethernet connectivity


• QES 2.2.1 OS with all the creative and productive tools you need