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The ES1640dc is whole-new product line developed by QNAP for mission-critical tasks and intensive virtualization applications. With Intel® Xeon® E5 processors, dual active controllers, ZFS, HPE Helion compatibility and fully supporting virtualization environments, the ES1640dc delivers “real business-class” cloud computing data storage. The ES1640dc features the brand-new QES operating system that allows almost limitless snapshots, block-level data deduplication, and thin provisioning with reclaim, assisting businesses in building the most cost-efficient VDI platform and storage for critical data. The ES1640dc provides the same user experience as the current QNAP NAS and QTS system, allowing business users to enjoy the easy learning curve and quickly deploy the system, and making it ideal for small and medium businesses with budget constraints or large-scale IT divisions coping with mission-critical tasks.
Dual active controllers, NVRAM cache, dual mini-SAS channel backup, 40GbE-ready, SAS 6Gb/s-enabled (Compatible with SAS 12Gb/s)
QES operating system which is based on FreeBSD and ZFS
Data deduplication and compression allows hosting over 200 VDI in one chassis
Near-limitless snapshots and SnapSync for efficient disaster recovery
NAS and iSCSI/IP-SAN storage supporting VMware®, Microsoft® Hyper-V, KVM and advanced virtualization features
Fully supports OpenStack® iSCSI Cinder driver, and compatible with HPE Helion
Scalable design, up to 1 PB total storage capacity
5 year warranty - Global warranty inclusive
Note: QES update of supporting 40GbE Ethernet adapter will be released by mid-October 2016.
Intel® Xeon® E5 dual-controller for nearly zero downtime high-availability
The ES1640dc is powered by two Intel® Xeon® E5-2400 v2 processors and features dual active-active controller architecture, ensuring businesses with nearly zero downtime high availability as the standby controller can quickly take over if one controller breaks down. The ES1640dc connects to the JBOD enclosure (EJ1600) via the dual path mini-SAS design to sustain continuous operations even if an external JBOD cable is disconnected. Designed around redundancy, the ES1640dc is the best realization of reliable enterprise storage for uninterrupted mission-critical enterprise tasks and productivity.
Dual controller NAS: high reliability and high availability
“Reliability” is the primary priority for mission critical business applications. The ES1640dc adopts dual active-active controllers to provide the most reliable base for business IT storage.
1. Dual active-active controller
If one controller fails, the other one will immediately take over to provide high availability with the least downtime.
2. Built-in 2 x 10GbE RJ45 ports
Meets various iSCSI/NFS/CIFS network data transmission requirements.
3. 40GbE NIC support
The PCIe slot supports a dual-port QSFP+ 40GbE NIC to provide massive data transmission potential and to simplify network cabling.
Note: QES update of supporting 40GbE Ethernet adapter will be released by mid-October 2016.
4. SAS 6Gb/s hard drive
Dual-controller architecture that supports SAS 6Gb/s hard drives / SSDs, providing versatile storage choices for enterprises.
5-1. NVRAM w/ Copy-to-Flash
Battery-protected DRAM write to cache data protection and Flash read acceleration provides industry-leading random access performance to benefit virtual machine deployment.
5-2. DDR3 RAM
(1) NVRAM dedicated DDR3 memory modules - supports 16GB, power required by C2F is supplied by BBU.
(2) Dual-channel DDR3 system main memory - each channel supports 16GB, providing up to 32GB total capacity.
5-3. mSATA SSD
Stores cache data written by DRAM to ensure information is not lost if the system experiences a sudden power failure.
Increases the ES1640dc’s potential storage capacity to over 1 PB with expansion enclosures.
7. Intel® Xeon® E5-2400 v2 series processor
Provides the performance required by software-defined storage and commercial mission-critical applications.
8. Field-replaceable unit
Field-replaceable unit (FRU) applies not only to the controllers but also to the cooling fans, power supplies, and the BBU battery pack for C2F (Copy-To-Flash), providing a cost-effective way to maintain complex systems and to replace defective parts.
NVRAM cache reducing the risks of losing write cache data
To increase random write performance and reliability, the ES1640dc features NVRAM modules (DRAM Write Cache with Copy-to-flash) to protect write data. When data is written into NVRAM, there are dedicated backup battery units to protect writing to the cache, and at the same time the data is replicated to a backup controller, to achieve 100% data integrity. NVRAM-backed write cache in the dual-controller architecture presents high performance, fault-tolerant, and helps reduce flash SSD write amplification.
*To ensure write cache data safety, it is recommended to annually replace the BBU.
QES operating system combining ZFS file system
The ES1640dc features the brand-new QES (QNAP Enterprise Storage) operating system, which is based on the simple and efficient FreeBSD kernel and the ZFS file system that has been proven through years of experience to be most suitable for high-end enterprise applications. QES supports dual active controller architecture and remote disaster recovery, can be directly integrated into OpenStack® cloud environments, and is designed for intensive virtualization and VDI applications with optimal performance. Continuing the same user experience with the QTS operating system, QES provides business users with an easy learning curve to quickly deploy the ES1640dc, and provides the best storage solution jointly with the current QNAP NAS.
Overview of QNAP Enterprise ZFS NAS and the QES operating systems
ZFS – the best file system for business data storage
The ES1640dc features ZFS, a combined file system and logical volume manager, to support various advanced functions for high-end enterprise storage, including powerful storage expansion, flexible storage pools, simplified management, high-performance SSD cache, nearly limitless snapshots and cloning, data deduplication, in-line compression and thin provisioning with reclaim for optimized utilization for virtual machine storage. ZFS is designed with a focus on data integrity, and uses its end-to-end checksums to detect and correct silent data corruption caused by hardware defects, bugs in firmware or metadata errors, effectively protecting user’s data.
Deduplication and compression to maximize VDI storage performance
There could be over 90% duplicate data from OS images and applications that are spread over virtual desktops. The ES1640dc supports block-based data deduplication to optimize storage usage from redundant data. Deduplicated virtual desktops become easier to be cached to achieve optimal virtual desktop performance. In-line data compression helps shrink data size, further optimizing storage usage. For mastering storage in a virtualized environment, the ES1640dc provides businesses with the most cost-effective remote virtual desktop platform and mission-critical information warehousing.
Strong disaster recovery made by nearly limitless snapshots and SnapSync
The ES1640dc supports up to 65,536 snapshots for iSCSI LUN and shared folders. When executing a remote snapshot backup, it only needs to transfer changed data, and can use deduplication and compression to significantly reduce the amount of transferred data. The ES1640dc can provide remote backup SnapSync for snapshots at the shortest interval of every five minutes, fully supports VMware vCenter Site Recovery (SRM) technology, provides Storage Replication Adapter (SRA) for SRM, and provides enterprise-class remote backup & disaster recovery solution to fulfill business continuity.
Well-rounded backup solutions to secure data
QNAP Netbak Replicator is an easy-to-use and VSS-aware backup software, and helps businesses to create complete backups in datacenter and virtualization environments without needing to purchase expensive and complex commercial software. To build a QNAP Snap Agent and VSS Hardware Provider operating environment, all applications (including VSS Service, Requestor, Provider and QNAP Snap Agent) can be deployed with VSS-Aware applications on the same server, and the minimal requirements are only one ES1640dc and one server for it to be operational.
Storage for comprehensive virtualization applications
The ES1640dc is certified for VMware® vSphere 6.0, and is compatible with Microsoft® Hyper-V and KVM, benefiting flexible deployment and management in virtualization environments. The ES1640dc supports VMware VAAI and Microsoft ODX to increase performance by offloading server loading for ESXi server and Hyper-V respectively, and supports QNAP vSphere Client plug-in, Web plug-in and QNAP SMI-S provider with enhanced efficiency of operations and management in virtualization applications.
Compatible with HPE Helion for extending horizons to OpenStack cloud
As QNAP’s first "OpenStack Ready" product line, the ES1640dc is not only suitable for virtualization and virtual desktop environments but also the best choice for cloud applications. QES supports OpenStack® Cinder and iSCSI Cinder Node drivers, and provides block-level storage space to virtual machines. It not only accelerates the deployment of virtual machines and enhances virtual machine image access efficiency through iSCSI, but it is also easier to integrate into commercial cloud storage platforms. QES can be easily coupled with HPE Helion* to provide simpler and more reliable private enterprise hybrid cloud solutions, to ensure that enterprises can still enjoy uninterrupted, highly available, highly-stable services in dense virtualized environments.
QNAP x Platform9: Deploy a Hybrid Cloud with OpenStack
Platform9 is a cloud-based OpenStack management platform. While a pure OpenStack environment can take weeks to properly deploy, with Platform9 it can be done in minutes. QNAP and Platform9 have joined forces to provide a powerful storage solution that is easy to deploy and easy to use for OpenStack environments. By adopting the joint QNAP ES1640dc and Platform9 solution you can deploy OpenStack in a very short time with the integrated QNAP Cinder driver (no manual installation required), attain highly-available QNAP storage for on-site data, and benefit from comprehensive functions and applications that are available on QNAP’s enterprise-grade and affordable business-class storage solutions.
5 year warranty - Global warranty inclusive
QNAP's ES1640dc offers 5 year warranty with 3-year global warranty inclusive at no extra cost. This premier warranty demonstrates QNAP’s attention to the essential business needs of continuous operations and non-interrupted services to their customers.
The ES1640dc supports efficient capacity expansion by cascading multiple QNAP RAID expansion enclosures to meet the needs of growing business data, providing businesses a cost-efficient storage solution for large data archiving and virtualization applications.
Featuring dual controllers, dual-loop architecture, the ES1640dc and the corresponding JBOD expansion enclosures all provide dual-channel (Dual Path) to tolerate single node failure. Even if an external JBOD cable is disconnected due to external damage to the mini-SAS cable, it can still run normally. This is essential for better intermachine data protection and capacity scalability.
The maximum total storage capacity available by connecting RAID expansion enclosures:
RAID Expansion Enclosure
No. of RAID Expansion Enclosure
Total HDD No. (NAS + Enclosure)
Max. Raw Capacity (TB)*
*The maximum capacity is calculated by using 8TB HDDs.
System memory: DDR3 RDIMM
Total memory slots: 6 (Dual controllers; 2 x main memory DIMM and 1 x write cache DIMM for NVRAM for each controller.)
32GB for main memory DIMM and 16GB write cache DIMM per controller.
2 x USB 3.0/2.0 port
16 x 3.5"/2.5" SAS 6Gbps hard drive (compatible with SAS 12Gbps hard drive), or 2.5" SAS SSD
Maximized Raw Capacity
128TB (Configuration: 16 x 8TB hard drives)
Hard Drive Interface
10/100/1000 Mbps LAN Port
1 for each controller (for remote management)
10Gbps LAN Port
2 x RJ45, Intel X540-BT2 for each controller
PCIe Slot x8 (Gen2 x8): reserved for 40GbE or 10GbE LAN card
PCIe Slot x4 (Gen2 x4): reserved for dual path Mini-SAS
mSATA SSD dedicated to NVRAM, SATA signaling
618(D) x 446.2(W) x 132(H) mm (excluding front grips)
Net weight (NAS only): 26.75 kg / 58.97 lb
Gross weight (with packing and accessories): 36.94 kg / 81.44 lb
Hot-swappable fan module (60*60*38mm; 16000RPM/12v/2.8A x 3)
Electro-Magnetic Compatibility (EMC)
• FCC Class A (USA only)
• CE Mark ( EN55022 Class A, EN55024)
Hard Drive Tray
Power On Button
Hard Drive LED Indicators
System Power LED (Blue): on/off
System Status (Green/ Red): in operation, system errors, low power, degraded RAID mode, memory failure, fan/power supply failure, system/disk temperature too high, storage pool reaching threshold value, system performing take-over, power supply unit unplugged
LCD Status Display (Two-digit number): Status of JBOD connection
Password & Network Settings Reset Button
PCIe Gen2 x4 Slot, with dual path Mini-SAS (SFF-8088) expansion card on board
Power Supply LED (Green/ Orange)
PCIe Gen3 x8 Slot, reserved for 40GbE LAN card
RJ11 to RS-232 serial
1GbE Management Port
BBU Status Light (Green/ Red/ Orange)
2 x USB 3.0/2.0 Port
Controller Status Light (Green/ Orange)
2 x 10GbE (RJ45) Port
Fan Status Light (Green/ Orange)
Battery Status Light (Green/ Orange)
Reserved Mini-SAS Port (SFF-8088)
High Availability LED (Green/ Orange)
The Enterprise ZFS NAS rack mount models comply with ANSI/EIA-RS-310-D rack mounting standards. Before purchasing the server racks for these models, please make sure the server racks conform to the following criteria:
1. Rack size
Mounting post width: ≥ 451mm
Panel width: ≥ 485mm
Mounting post depth: 609.6mm~914.4mm
The distance between two rack posts is 465mm (center-to-center measurement of the rack's square holes)
2. The optional rack kits for the Enterprise ZFS NAS rack mount models are compatible with both square-hole and round-hole server racks.
QES 1.1 (based on FreeBSD)
Active-Active/Active-Standby dual controller for NAS
Active-Active dual controller for JBOD expander
Automatically hardware error detection and failover
Automatically failback when hardware recovered
Data port network failover
Management port network failover
Near zero downtime high availability
Dual SAS link loop
MPIO and ALUA for iSCSI high availability
Link aggregation for network high availability
Support SMB3 Continuous Availability (CA)
Supported Client OS
Windows 7 (32/64-bit), Windows 8 (32/64-bit), Windows 10 (32/64-bit), Windows Server 2008 R2/2012/2012R2
Apple Mac OS X
Linux & UNIX
Wake on LAN
Internal hard drive standby mode
Automatic power on after power recovery
Network UPS support with SNMP management
Microsoft Internet Explorer 10+
Mozilla Firefox 8+
Apple Safari 4+
Access Right Management
Batch users creation
User quota management
Local user access control for CIFS/SMB and FTP
Subfolder permissions support for CIFS/SMB, FTP, and File Station