{"product_id":"qnap-es1686dc-r2-nas-rack-3u-intel-xeon-d-d-2142it-48-gb-ddr4-0-tb-qnap-qes-black-grey-377502","title":"QNAP ES1686dc R2 NAS Rack (3U) Intel Xeon D D-2142IT 48 GB DDR4 0 TB QNAP QES Black, Grey","description":"\u003cp\u003e\u003cstrong\u003eQNAP ES1686dc R2 16-Bay NAS Enclosure\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eEnsure 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eDual active-active controllers\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eDual active-active controllers provide supreme uptime and redundancy to ensure high availability.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eNVRAM module\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eNVRAM reduces the risk of losing write cache data if unexpected power failure occurs.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eQES operating system\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eSupports ZFS near-limitless snapshots, SnapSync, block-level data deduplication, and inline data compression.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003eStorage for virtualization\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eSupports VMware® vSphere®, Windows Server® and Citrix® XenServer® for storage virtualization.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003e10GbE SFP+ ports\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eFour 10GbE SFP+ ports (per controller) accelerate virtualization, large file sharing, and intensive data transfer.\u003c\/p\u003e\n\n\u003ch4\u003e\u003cstrong\u003ePCIe Gen 3 slots\u003c\/strong\u003e\u003c\/h4\u003e\n\n\u003cp\u003eTwo PCIe slots (per controller) allow for adding 10GbE\/25GbE networking cards to increase application performance.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/www.lockstok.com\/\/ProductImages\/QNAP\/F78D101F-FE53-491C-BFDC-5636DD3B22EB_360900.jpg?1768394757479\" style=\"height:500px; width:500px\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eIntel® Xeon® D processors bring high performance and efficiency\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003ePowered by two Intel® Xeon® D 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePCIe Gen 3 slots\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePetabyte-scale, dual-controller SAS storage expansion\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eGain petabyte-scale storage capacity using the QNAP’s expansion enclosure. Dual-channel (dual-path) connections allow service continuity even if one node fails.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQES: ZFS-based OS designed for HA systems\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSelf-healing ensures data integrity and reliability\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eDesigned 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUnleashed SSD potential – agile and cost-effective for the ultimate performance\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eQES 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDeduplication and compression maximizes VDI storage performance\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eIn VDI environments where there could be over 90% duplicate data from virtual desktop OS images and applications, the QES-powered ES1686dc R2 provides businesses with the most cost-effective remote virtual desktop platform and mission-critical information warehousing.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReal-time SnapSync ensures minimal RPO with real-time disaster recovery\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eReal-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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBusiness Continuity\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eCopy-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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCompatible with VMware, Microsoft and Citrix virtualization\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe ES1686dc R2 supports VMware® vSphere®, Windows Server®, and Citrix XenServer® for flexible deployment and management in virtualization environments.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eReliable, high-performance storage for virtualization\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSupports iSER for Improved VM Performance\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBuild an affordable Fibre Channel SAN environment\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eCommon Fibre Channel Storage Area Networks (SAN) devices are often costly. By installing QNAP dual-port 16Gb\/32Gb Fibre 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 Fibre Channel Target using the iSCSI \u0026amp; Fibre Channel app. Moreover, the LUN Masking and Port Binding features provide an additional layer of data security.\u003c\/p\u003e\n\n\u003cp\u003e\u003cimg src=\"https:\/\/www.lockstok.com\/\/ProductImages\/QNAP\/F78D101F-FE53-491C-BFDC-5636DD3B22EB_360902.jpg?1768394835601\" style=\"height:500px; width:500px\"\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eNumber of Controller Modules\u003c\/strong\u003e: 2\u003cbr\u003e\n\u003cstrong\u003eCPU\u003c\/strong\u003e: Intel® Xeon® D-2142IT 8-core 1.90 GHz processor (burst up to 3.0 GHz) per controller\u003cbr\u003e\n\u003cstrong\u003eCPU Architecture\u003c\/strong\u003e: 64-bit x86\u003cbr\u003e\n\u003cstrong\u003eFloating Point Unit\u003c\/strong\u003e: –\u003cbr\u003e\n\u003cstrong\u003eEncryption Engine\u003c\/strong\u003e: AES-NI\u003cbr\u003e\n\u003cstrong\u003eSystem Memory\u003c\/strong\u003e: 48 GB RDIMM DDR4 ECC (4 x 4 GB + 4 x 8 GB) per controller\u003cbr\u003e\n\u003cstrong\u003eMaximum Memory\u003c\/strong\u003e: 1024 GB (16 x 64 GB), 512 GB (8 x 64 GB) per controller\u003cbr\u003e\n\u003cstrong\u003eMemory Slot\u003c\/strong\u003e: 16 x R-DIMM\/LR-DIMM DDR4, 8 x R-DIMM\/LR-DIMM DDR4 per controller\u003cbr\u003e\nNote: Only one type of DIMM can be used at a time. RDIMM cannot be mixed with LR-DIMM.\u003cbr\u003e\n\u003cstrong\u003eFlash Memory\u003c\/strong\u003e: 4 GB (Dual boot OS protection)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDrive Bay\u003c\/strong\u003e: 16 x 3.5-inch SAS 12Gb\/s, backward-compatible to SAS 6Gb\/s\u003cbr\u003e\n\u003cstrong\u003eDrive Compatibility\u003c\/strong\u003e:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e3.5-inch SAS hard disk drives\u003c\/li\u003e\n\t\u003cli\u003e2.5-inch SAS hard disk drives\u003c\/li\u003e\n\t\u003cli\u003e2.5-inch SAS solid state drives\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eHot-swappable\u003c\/strong\u003e: Supported\u003c\/li\u003e\n\t\u003cli\u003e\n\u003cstrong\u003eSSD Cache Acceleration Support\u003c\/strong\u003e:\u003c\/li\u003e\n\t\u003cli\u003eL1 ARC Read Cache: RAM\u003c\/li\u003e\n\t\u003cli\u003eL2 ARC Read Cache: SSD\u003c\/li\u003e\n\t\u003cli\u003eZIL Write Cache: NVRAM (C2F)\u003c\/li\u003e\n\t\u003cli\u003eCache for Copy To Flash (C2F): 1 per controller (64 GB M.2 SSD)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNetwork Interfaces\u003c\/strong\u003e:\u003c\/p\u003e\n\n\u003cp\u003eGigabit Ethernet Port (RJ45): 3 per controller (one assigned for remote management)\u003c\/p\u003e\n\n\u003cp\u003e10 Gigabit Ethernet Port: 4 x 10GbE SFP+ per controller\u003cbr\u003e\n\u003cstrong\u003eWake on LAN (WOL)\u003c\/strong\u003e: Supported\u003cbr\u003e\n\u003cstrong\u003eJumbo Frame\u003c\/strong\u003e: Supported\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePCIe Slots\u003c\/strong\u003e: 2 per controller\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eSlot 1: PCIe Gen 3 x8 (CPU)\u003c\/li\u003e\n\t\u003cli\u003eSlot 2: PCIe Gen 3 x8 (CPU)\u003c\/li\u003e\n\t\u003cli\u003eCard dimensions for PCIe slots: 215 x 68.9 x 18.76 mm (8.46 x 2.71 x 0.74 in). Wider cards allowed if the next PCIe slot is unused.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eUSB Ports\u003c\/strong\u003e: 2 x USB 3.2 Gen 1 per controller\u003cbr\u003e\nNote: For engineering use only; external storage or UPS not supported.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eForm Factor\u003c\/strong\u003e: 3U Rackmount\u003cbr\u003e\n\u003cstrong\u003eLED Indicators\u003c\/strong\u003e:\u003c\/p\u003e\n\n\u003cp\u003eSystem Power LED (Green): On\/off\u003c\/p\u003e\n\n\u003cp\u003eSystem Status (Green\/Red): Operation, errors, low power, degraded RAID, memory\/fan\/PS failure, high temperature, storage threshold, system takeover, PSU unplugged\u003c\/p\u003e\n\n\u003cp\u003eLCD Status Display: Two-digit JBOD status\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eButtons\u003c\/strong\u003e: Power, Reset\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eDimensions (HxWxD)\u003c\/strong\u003e: 132 × 446.2 × 587.75 mm\u003cbr\u003e\n\u003cstrong\u003eWeight (Net)\u003c\/strong\u003e: 30.22 kg\u003cbr\u003e\n\u003cstrong\u003eWeight (Gross)\u003c\/strong\u003e: 34.92 kg\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e: 0 - 40 °C (32°F - 104°F)\u003cbr\u003e\n\u003cstrong\u003eStorage Temperature\u003c\/strong\u003e: -20 - 70 °C (-4°F - 158°F)\u003cbr\u003e\n\u003cstrong\u003eRelative Humidity\u003c\/strong\u003e: 5-95% RH non-condensing, wet bulb: 27 °C (80.6 °F)\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePower Supply Unit\u003c\/strong\u003e: Redundant \/ Hot Swap, Vin: 90~264 VAC; 700 W\u003cbr\u003e\n\u003cstrong\u003ePower Consumption (Operating Mode, Typical)\u003c\/strong\u003e: 500.87 W\u003cbr\u003e\n\u003cstrong\u003eFan\u003c\/strong\u003e: Hot-swappable fan module (60×60×38 mm; 16,000 RPM \/ 12 V \/ 2.8 A × 3)\u003cbr\u003e\n\u003cstrong\u003eSystem Warning\u003c\/strong\u003e: Buzzer\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eStandard Warranty\u003c\/strong\u003e: 5 years\u003cbr\u003e\n\u003cstrong\u003eMax. Number of Concurrent Connections (CIFS) with Max Memory\u003c\/strong\u003e: 10,000\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eSafety Standards\u003c\/strong\u003e:\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eFCC Class A (USA only)\u003c\/li\u003e\n\t\u003cli\u003eCE Mark (EN55022 Class A, EN55024)\u003c\/li\u003e\n\t\u003cli\u003eEN60950\u003c\/li\u003e\n\t\u003cli\u003eBSMI\u003c\/li\u003e\n\t\u003cli\u003eVCCI\u003c\/li\u003e\n\t\u003cli\u003eCB\u003c\/li\u003e\n\t\u003cli\u003eLVD\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eWhat's in the Box:\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cul\u003e\n\t\u003cli\u003e2 x Controller Modules\u003c\/li\u003e\n\t\u003cli\u003e700W Redundant Power Supplies\u003c\/li\u003e\n\t\u003cli\u003eHot-swappable Fan Modules\u003c\/li\u003e\n\t\u003cli\u003eDocumentation\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"FirstShop","offers":[{"title":"Default Title","offer_id":52579263644015,"sku":"ES1686DC-R2-2142IT-96G","price":351999.0,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0457\/5893\/9300\/files\/es1686dc-r2-2142it-96g-network-attached-storage-1216533028.jpg?v=1768403529","url":"https:\/\/www.firstshop.co.za\/products\/qnap-es1686dc-r2-nas-rack-3u-intel-xeon-d-d-2142it-48-gb-ddr4-0-tb-qnap-qes-black-grey-377502","provider":"FirstShop","version":"1.0","type":"link"}