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QNAP ES1686DC-2123IT64GUS 16-Bay Dual Controller NAS — main product image
QNAP

QNAP ES1686DC-2123IT64GUS 16-Bay Dual Controller NAS

77lb

Unleash Enterprise-Level Storage with Redundancy Introducing the QNAP ES1686DC-2123IT64GUS, a 16-bay active-active dual controller NAS, engineered for mission-critical applications requiring high availability and uncompromising data integrity. This robust system features redundant power supplies ...

$12,909.00*
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*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.

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Overview

Unleash Enterprise-Level Storage with Redundancy

Introducing the QNAP ES1686DC-2123IT64GUS, a 16-bay active-active dual controller NAS, engineered for mission-critical applications requiring high availability and uncompromising data integrity. This robust system features redundant power supplies and dual controllers to ensure continuous operation even in the event of hardware failure. Benefit from advanced storage pool options, including RAID 0/1/5/6/10/50/60/RAID TP/Triple Mirror, providing versatile data protection and performance configurations.

Specifications:

  • Processor: Intel Xeon D-2123IT 2.2GHz 4-Core
  • Memory: 32GB (4 x 8GB, Max 512GB) per controller
  • Write Cache: 64GB per controller
  • M.2 Slots: 2 x M.2 Gen.3 x4 2280
  • RAID Support: RAID 0/1/5/6/10/50/60/RAID TP/Triple Mirror
  • Power Supply: Redundant PSU
  • Accessories: Rail Kit Included

Key Features

Weight: 77lb

Specifications

Brand
QNAP
Model
ES1686DC-2123IT64GUS
Bays
16-Bay
Controller Configuration
Dual Controller
Weight
77lb
Category
Network Attached Storage (NAS)

Pros & Cons

👍 Pros

  • Features a dual controller design, which can significantly enhance reliability and uptime by providing redundancy.
  • Offers a substantial 16-bay capacity, allowing for large-scale storage configurations and expansion.
  • Designed as a Network Attached Storage (NAS) system, providing centralized and accessible data storage over a network.
  • The QNAP brand is known for offering advanced features and software capabilities in its NAS products.
  • Suitable for enterprise environments requiring robust storage solutions with high data integrity and performance.

👎 Cons

  • The specific processor model (2123IT) is mentioned without further details on its core count or clock speed.
  • The amount of installed RAM (64G) is listed, but the type (DDR4, DDR5) or speed is not specified.
  • The product weight of 77lb indicates a very heavy unit, which might complicate installation and movement.
  • Hard drives are typically not included with NAS units of this caliber, requiring additional purchase and configuration.
  • Detailed specifications on networking interfaces, such as Ethernet port speeds or types, are not provided.

Frequently Asked Questions

A dual controller design provides redundancy, meaning if one controller fails, the other can take over, significantly improving uptime and data availability for critical business operations.
The QNAP ES1686DC-2123IT64GUS comes with 16 drive bays, allowing for extensive storage capacity and flexible RAID configurations.
With its dual controller and high bay count, this NAS is primarily designed for enterprise-level environments that require robust, high-availability storage solutions.
This QNAP NAS unit has a stated weight of 77 pounds, indicating a substantial and sturdy piece of hardware.
The product description does not specify that hard drives are included; typically, enterprise-grade NAS units require separate purchase and installation of drives.

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