QNAP ES2486dc-21421T-128G NAS empresarial de 24 baias | Intel Xeon D-21421T | 128 GB de RAM | Armazenamento SSD de 138 TB
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QNAP ES2486dc-21421T-128G Enterprise 24-Bay NAS | Intel Xeon D-21421T | 128GB RAM | 138TB SSD Storage

Keywords

QNAP ES2486dc-21421T-128G, nas server system, enterprise servers, cloud storage server, buy server, ssd for server, server storage, high availability nas

Description

Transform your data center with the uncompromising reliability and immense performance of the QNAP ES2486dc-21421T-128G. Engineered specifically for mission-critical tasks, this high-end enterprise NAS utilizes a dual active-active controller architecture, ensuring near-zero downtime. Unlike standard storage solutions, this resilient nas server system guarantees that if one controller undergoes maintenance or experiences a fault, the other instantly takes over the workload seamlessly. It is the ultimate safeguard for your business continuity.

At the heart of this storage behemoth lies the Intel Xeon D-21421T 8-core processor, operating at a base frequency of 1.90 GHz with the ability to burst up to 3.0 GHz. Coupled with a massive 128GB of system memory, this array provides the intense computational horsepower required to run QNAP's ZFS-based QES operating system. This robust processing capability allows enterprise servers to offload heavy storage tasks, such as inline data deduplication and compression, ensuring that your network operates at peak efficiency without bottlenecks.

This specific configuration is a dream for high-I/O environments, coming pre-populated with 9 pieces of massive 15.36TB enterprise-grade SSDs (Model: MZILT15THALA). These drives are seated in premium QNAP disk trays, instantly delivering over 138TB of raw, ultra-fast flash storage. When you deploy ssd for server arrays of this magnitude, you unlock the ability to handle thousands of concurrent virtual machine I/O requests, making it the perfect backend for latency-sensitive applications and massive databases.

Physical resilience is just as critical as data integrity. The ES2486dc features full hardware redundancy, including dual hot-swappable power supplies and redundant cooling fan modules. This ensures that environmental or electrical anomalies within the rack do not compromise your server storage. Housed in a compact 2U 24-bay form factor, it offers incredible storage density, allowing data centers to maximize their rack space while drastically reducing power and cooling overhead compared to older legacy SAN arrays.

If your organization is looking to buy server infrastructure that offers SAN-level performance with NAS-level flexibility, this system is an unparalleled choice. It forms the perfect foundation for building a centralized, highly secure cloud storage server that can scale with your business. Investing in the QNAP ES2486dc ensures your enterprise data remains accessible, protected, and lightning-fast at all times.

Key Features

  • Dual Active-Active Controllers: Provides extreme high availability and fault tolerance for uninterrupted business operations.
  • Elite Compute Power: Intel Xeon D-21421T 8-core 1.90 GHz processor (burst up to 3.0 GHz) per controller.
  • Massive Memory Cache: 128GB of RAM ensures smooth inline deduplication and rapid ZFS ARC caching.
  • Pre-installed Enterprise Flash: Includes 9x 15.36TB Enterprise SAS SSDs (MZILT15THALA) for 138TB+ of raw all-flash capacity.
  • ZFS Data Protection: Utilizes the QES operating system featuring end-to-end data integrity, snapshots, and SnapSync.
  • Complete Redundancy: Fully redundant hot-swappable power supplies and cooling fans.
  • High-Density 2U Form Factor: 24x 2.5-inch drive bays maximize rack efficiency.

Configuration

Component Specification
Model QNAP ES2486dc-21421T-128G
Controller Architecture Dual Active-Active Controllers
Processor (CPU) Intel Xeon D-21421T (8-core/16-thread, 1.90 GHz base, 3.0 GHz turbo) per controller
System Memory (RAM) 128GB Total
Included Storage Drives 9x 15.36TB Enterprise SAS SSD (MZILT15THALA)
Drive Trays 9x QNAP Disk Trays Included (24 Bays Total in Chassis)
Power Supply Dual Redundant Hot-Plug PSUs
Cooling System Fully Redundant Hot-Swappable Fan Modules

Compatibility

The QNAP ES2486dc-21421T-128G is heavily certified for enterprise virtualization environments. It is fully compatible with VMware vSphere (ESXi), Microsoft Hyper-V, and Citrix XenServer. It supports modern storage protocols including iSCSI, NFS, and SMB/CIFS, making it a universal storage target for Windows Server, Red Hat Enterprise Linux (RHEL), and macOS environments. The dual controllers support multipathing (MPIO) to ensure seamless connection failover with your existing network switches and host enterprise servers.

Usage Scenarios

This all-flash configuration is the absolute gold standard for Virtual Desktop Infrastructure (VDI). In VDI deployments, boot storms and anti-virus scans can cripple traditional spinning disk arrays. By utilizing the included 15.36TB ssd for server drives, this QNAP array absorbs massive IOPS spikes effortlessly. The ZFS inline deduplication ensures that hundreds of identical Windows virtual desktops consume only a fraction of the actual physical storage space.

It also serves as an impregnable Mission-Critical Database Backend. Financial institutions and e-commerce platforms cannot afford a single second of downtime. The active-active dual controllers guarantee that if hardware fails, your database connection remains active. The immense processing power of the Intel Xeon CPUs ensures that transactional latency remains in the microseconds, providing the robust server storage required by Oracle or Microsoft SQL Server clusters.

For Managed Service Providers (MSPs) and large corporations, this system is ideal for building a private cloud storage server. With features like SnapSync, administrators can replicate data to remote disaster recovery sites in real-time. The massive 138TB+ flash pool allows providers to carve out high-performance LUNs for multiple tenant enterprise servers securely and efficiently, maximizing their service level agreements (SLAs).

Finally, when IT directors need to buy server infrastructure to replace aging, complex SAN environments, the ES2486dc offers a simplified, unified approach. It consolidates file-level and block-level storage into a single, highly intuitive interface. You get the elite performance of a traditional tier-1 fiber channel SAN with the ease of use of a premium nas server system, dramatically reducing total cost of ownership (TCO) and administrative overhead.

Frequently Asked Questions

Q: What is the main advantage of an "Active-Active" dual controller over an "Active-Standby" setup? A: In an Active-Active configuration, both controllers are simultaneously processing data and sharing the network load, which doubles your potential throughput and maximizes hardware utilization. In an Active-Standby setup, the second controller sits idle until the first one fails. The QNAP ES2486dc-21421T-128G ensures you get the full performance of both installed Intel Xeon processors.

Q: What is the usable capacity of the 9 included SSDs? A: The raw capacity is approximately 138.24TB (9 x 15.36TB). However, your usable capacity will depend on the RAID level you select (e.g., RAID 5, RAID 6, or RAID 50) to protect against drive failure, as well as the formatting overhead of the ZFS file system. QNAP's inline deduplication and compression can also significantly increase your effective usable space depending on the type of data being stored.

Q: Does this nas server system support additional storage expansion? A: Yes. While this unit comes with 9 drives, the chassis itself has 24 bays, leaving 15 empty bays for future SSD additions. Furthermore, the ES2486dc supports QNAP EJ1600 v2 expansion enclosures, allowing you to scale up your server storage to petabytes of data without replacing the main head unit.

Q: Why does this system use ZFS instead of traditional EXT4 or BTRFS? A: The QES operating system uses ZFS because it is an enterprise-grade file system designed specifically for data integrity. It prevents silent data corruption, supports nearly unlimited instantaneous snapshots, and handles inline deduplication perfectly. It is the industry standard for high-end enterprise servers that require zero data loss.

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