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Description
QNAP ES1686DC-R2-2123IT-64G-US Overview
The ES1686dc R2 16-Bay NAS Enclosure from QNAP helps ensure uninterrupted mission-critical business operations. It features a dual active-active controller architecture that provides failover/feedback operations as the standby controller takes over if one breaks down. This minimizes downtime, allowing component replacement without disruption, ensuring reliability for continuity for enterprises.
The ES1686dc R2 is equipped with sixteen 2.5/3.5" drive bays that support SAS III 12 Gb/s or SAS II 6 Gb/s hard drives and solid-state drives, dual 2.2 GHz Intel Xeon D-2123IT 4-Core processors (one per controller), 64GB of 2133 MHz DDR4 ECC Registered RAM (32GB per controller), eight 10GbE SFP+ ports (four per controller), six 1GbE ports (three per controller), four USB-A 3.2 Gen 1 ports (two per controller), and four PCIe 4.0 x8 slots (two per controller). It operates using the QES 2.2.1 operating system and runs the ZFS file system for snapshots, SnapSync, block-level data deduplication, and inline data compression, with sequential read speeds of up to 5773 MB/s and sequential write speeds of up to 2201 MB/s when using all eight 10GbE ports.
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.
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.
Intel Xeon D Processors Bring High Performance and Efficiency
Powered by two 2.2 GHz Intel Xeon D-2123IT 4-Core processors, the ES1686dc R2 features a dual active-active controller architecture that provides failover/failback operations as the standby controller takes over if one controller breaks down. It is also equipped with 64GB of DDR4 ECC Registered RAM (4 x 8GB per controller) that may be upgraded to 512GB (8 x 64GB). Using 8 x 10GbE connections, users can achieve sequential read speeds of up to 5773 MB/s and sequential write speeds of 2201 MB/s.
Multi-Tier Caching
The ES1686dc R2 simultaneously supports main memory read cache (L1 ARC), SSD secondary read cache (L2 ARC), and memory write cache (ZFS Intent Log) to meet performance demands of various enterprise applications.
Note: The main memory will retain 8GB for use by the write cache.
Note: The main memory will retain 8GB for use by the write cache.
NVRAM
In the event of power failure, the system can write cache data from the battery-protected DRAM to M.2 SSD through Copy To Flash (C2F) to ensure that data is not lost.
PCIe Gen 3 Slots
The ES1686dc R2 provides two PCIe Gen 3 x8 slots per controller connected to the CPU, allowing you to add additional functionality to meet growing workload and business requirements.
Network Card
Supports up to 25GbE, boosting virtualization, media file transfer, or adding support for iSER for improved virtualization performance.
SAS Storage Expansion Card
With the QXP-820S-B3408 SAS storage expansion card, you can scale up the ES1686dc R2 with QNAP's TL SAS expansion enclosures.
Petabyte-Scale, Dual-Controller SAS Storage Expansion
Gain petabyte-scale storage capacity using the QNAP's expansion enclosure. Dual-channel (dual-path) connections allow service continuity, even if one node fails.
NAS Hardware You Can Rely On
- High-Capacity Storage: 16 x 3.5" SAS III/II drive bays
- Powerful Processor and Memory: Dual 2.2 GHz Intel Xeon D-2123IT 4-Core processors (one per controller) and 64GB of 2133 MHz DDR4 ECC memory (32GBGB, 4 x 8GB per controller)
- High-Speed Ethernet: Four 10GbE SFP+ ports and three Gigabit Ethernet ports per controller.
- Flexible Expansion and Connectivity: Two PCIe 3.0 x8 slots per controller
- Others: One power supply unit (PSU), three hot-swappable system fans, and one battery backup unit (BBU) per controller
QES: ZFS-based OS designed for HA systems
The ES1686dc R2 uses the QES operating system, which is based on the simple and efficient FreeBSD kernel and the ZFS file system that is suitable for high-end enterprise applications.
Self-Healing Ensures Data Integrity and Reliability
Designed to ensure data integrity, the QES-based ES1686dc R2 uses end-to-end checksums to detect and correct silent data corruption caused by hardware defects, firmware bugs or metadata errors. If integrity violations are detected, QES automatically repairs the damage using data from the other mirror before the data is passed to applications.
Unleashed SSD Potential: Agile and Cost-Effective for Enhanced Performance
QES 2.2 features QNAP's exclusive Write Coalescing algorithm that further optimizes all-flash performance in ZFS, providing a highly cost-effective all-flash solution for enterprise data management and mission-critical services.
Write Coalescing
Transforms all random writes to sequential writes along with reduced I/O. This not only increases random write performance for all-flash environments, but also improves SSD lifespan.
Pool Over-Provisioning
Users can allocate additional over-provisioning for SSDs (from 1 to 60%) and Storage Pools (from 1 to 40%) for a constant performance boost of over 100%.
Deduplication and Compression Maximizes VDI Storage Performance
In VDI environments where there could be over 90% duplicate data from virtual desktop OS images and applications, the QES-powered ES1686dc R2 provides businesses a cost-effective remote virtual desktop platform and mission-critical information warehousing.
Inline Data Deduplication
Block-based data deduplication optimizes storage usage and significantly decreases storage capacity requirements.
Inline Compression
Shrinks data to reduce storage I/O workloads for improved performance. In VDI, deduplicated virtual desktops are easily cached to achieve optimal virtual desktop performance.
Inline Compaction
Especially helpful for increasing SSD storage utilization efficiency when highly repetitive data or massive small files (such as transaction logs of banks or e-commerce) are generated. It delivers higher cost efficiency of all-flash storage systems.
Real-Time SnapSync Ensures Minimal RPO with Real-Time Disaster Recovery
Real-time SnapSync ensures that both the primary and secondary NAS maintain identical data. When data is written to the source, it is immediately written to the destination. If the primary NAS goes offline, IT staff can simply adjust the privilege settings of the secondary NAS to ensure continuous operations. SnapSync provides the strongest support for nonstop business operations and helps users to reduce the risk of data loss.
Business Continuity
Copy-on-write technology makes QES snapshot creation almost instantaneous without affecting ongoing data writes. SnapSync supports incremental backups, real-time deduplication, and compression. The source ES1686dc R2 performs deduplication before compressing the metadata to reduce synchronized data and save bandwidth.
VMware SRM
SnapSync supports VMware Site Recovery Manager (SRM) that offers enterprise-class remote backup and disaster recovery solutions for virtual applications. With the Storage Replication Adapter (SRA) for SRM, operation overheads of the ESXi server can be offloaded to a QNAP NAS to accelerate and simplify virtual machine backup/restore.
Compatible with VMware, Microsoft and Citrix Virtualization
The ES1686dc R2 supports VMware vSphere, Windows Server, and Citrix XenServer for flexible deployment and management in virtualization environments.
Reliable, High-Performance Storage for Virtualization
The ES1686dc R2 supports block-based iSCSI LUN as a reliable, high-performance, and affordable storage solution for mainstream virtualization environments. It supports VMware VAAI and Microsoft ODX to increase performance by offloading server loading for ESXi server and Hyper-V respectively.
Supports iSER for Improved VM Performance
The ES1686dc R2 supports iSER, combining iSCSI and RDMA (Remote Direct Memory Access), which can bypass general network drivers, the socket layer, and to directly enter memory buffers of the server and storage. Response time is also reduced to ensure service quality of the NAS.
Build an Affordable Fiber Channel SAN Environment
Common Fiber Channel Storage Area Networks (SAN) devices are often costly. By installing QNAP dual-port 16/32Gb Fiber Channel expansion cards in the ES1686dc R2, you have more budget-friendly options to add a NAS to a SAN environment. You can set a Fiber Channel Target using the iSCSI & Fiber Channel app. Moreover, the LUN Masking and Port Binding features provide an additional layer of data security.
Items Included
- QNAP ES1686dc R2 16-Bay NAS Enclosure
- 2 x Gigabit Ethernet Cable
- 2 x Power Cord
- 64 x Flat Head Screw for 3.5" HDDs
- 64 x Flat Head Screw for 2.5" HDDs
- QNAP E02 Series Rail Kit for the ES1640dc & EJ1600 Series
- RJ11 to RS-232 Console Cable
- 2 x Battery Backup Unit for NVRAM Write Cache
- Limited 5-Year Manufacturer Warranty
Additional Resources
No additional resources available
QNAP ES1686DC-R2-2123IT-64G-US Specs
Key Specs
| RAID |
Yes, Supported RAID Modes: 0 / 1 / 5 / 6 / 10 / 50 / 60
|
| Number of Bays |
16x 3.5"
|
| Inputs/Outputs |
4x SFP+ 10GbE
|
Computing
| CPU |
8-Core: 1.9 to 3 GHz
|
| Processor |
Intel Xeon D-2142IT
|
| Memory |
64 GB
|
| RAM Configuration / Capacity |
User-Replaceable 64 GB / 8 Slots Supporting up to 512 GB
|
Drives
| RAID |
Yes, Supported RAID Modes: 0 / 1 / 5 / 6 / 10 / 50 / 60
|
General
| Number of Bays |
16x 3.5"
|
| Inputs/Outputs |
4x SFP+ 10GbE
|
| Media Card Slots |
No
|
| PCI Expansion |
2x PCIe 3.0 x8
|
Networking
| Link Aggregation and Failover Support |
No
|
| iSCSI Support |
Yes
|
Software
| Installed Operating System |
QES 2.2.1
|
| Mobile App Compatible |
Yes: Android & iOS
|
Security
| Encryption |
256-Bit AES, FIPS 140-2 Level 2
|
| Security Features |
No
|
| VPN Connections |
No
|
Electrical
| Input Power |
90 to 264 VAC, 50 / 60 Hz
|
| Power Consumption |
500.87 W
|
| PSU |
1 x 700 W
|
Physical
| Operating Conditions |
32 to 104°F / 0 to 40°C at 5 to 95% Humidity
|
| Certifications |
BSMI, CB, CE, EN, FCC, VCCI
|
| Cooling |
3x 16,000 rpm 60 mm Fan
|
| Dimensions |
23.1 x 17.5 x 5.2" / 586.7 x 444.5 x 132.1 mm
|
| Weight |
66.6 lb / 30.2 kg
|
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Bulk Discount
| Quantity | Price |
| 2 | ₹ 1760055.5 |
| 3-5 | ₹ 1742095.75 |
| 5-10 | ₹ 1706176.25 |
| 10+ | ₹ 1670256.75 |
Bulk discount will be automatically applied during checkout based on quantity.