ES2486AFdc

Extreme All-Flash Performance. An NVMe High Availability Storage Solution Built for Mission-Critical Environments.

Active-Active Dual-Controller Architecture

The ES2486AFdc features two completely independent controllers that process I/O requests concurrently (Active-Active), rather than the traditional Active-Standby configuration. Each controller is powered by an Intel® Xeon® D-2100 series processor and supports up to 512GB of DDR4 ECC memory, delivering robust multitasking computational power.

• Doubled Performance

  With dual controllers operating simultaneously, it not only provides redundancy but also doubles the available system bandwidth and computational capabilities.

• Seamless Failover

  If a single controller fails, the other controller instantly takes over all NVMe drives and network IPs via the high-speed PCIe Non-Transparent Bridge (NTB) internal interconnection, ensuring front-end applications experience no interruption or require reconnection.

• Smart BBU Battery Backup

  Built-in Copy-to-Flash technology. In the event of an unexpected power outage, the BBU battery unit ensures that cached data in the memory (DRAM Cache) is securely written to the M.2 SSD protection area, preventing data loss.

Unleash the Performance Potential of PCIe Gen4 NVMe

Say goodbye to the bandwidth limitations of SAS 12Gb/s. Each drive bay in the ES2486AFdc supports a PCIe Gen4 x4 lane.

• Ultra-Low Latency

  The NVMe protocol drastically reduces command queue wait times, significantly boosting transaction speeds for latency-sensitive applications like SQL Server and Oracle Database.

• U.2 / U.3 Dual Compatibility

  Supports the latest U.3 interface standard while remaining backward compatible with U.2 SSDs, providing maximum procurement flexibility.

• High-Speed Network Expansion

  Each controller features 4 built-in 10GbE SFP+ ports and provides 2 PCIe Gen4 expansion slots, allowing for the installation of 25GbE network cards or Fibre Channel cards.

QES Operating System: The Art of ZFS Data Protection

Optimized specifically for enterprise all-flash storage, the QES (QNAP Enterprise Storage) system is based on the FreeBSD kernel and the ZFS file system.

• End-to-End Data Integrity

  ZFS automatically detects and repairs silent data corruption, ensuring the accuracy of every single bit of data.

• Nearly Infinite Snapshots

  Supports up to 65,535 snapshots for iSCSI LUNs and shared folders. Utilizing Copy-on-Write technology, snapshots are completed instantly without impacting performance.

Making All-Flash More Cost-Effective: Powerful Data Reduction Technology

In an era where NVMe storage space is at a premium, QES helps you stretch every penny of your budget.

• Inline Deduplication

  Removes duplicate blocks before data is written to the SSD. In VDI (Virtual Desktop Infrastructure) environments, multiple identical OS images can achieve over 90% space savings.

• Inline Compression

  Further reduces file sizes. This not only saves space but also minimizes the amount of data written to the SSD, thereby boosting transmission efficiency.

Making All-Flash More Reliable: Write Coalescing and Disaster Recovery

• Patented Algorithm: Write Coalescing

  The key to extending NVMe SSD lifespan: The biggest concern with all-flash arrays is SSD wear. The QES system features an exclusive Write Coalescing algorithm that consolidates fragmented random writes in memory into large, sequential writes.

  • ️Advantage 1: Transforms random writes into sequential writes, significantly boosting NVMe SSD write performance.
  • Advantage 2: Greatly reduces write amplification, extending the lifespan of expensive NVMe drives.

• SnapSync: Powerful Disaster Recovery

  The ES2486AFdc supports block-level real-time remote backup.

  • ️Even across vast distances, SnapSync only transmits changed data blocks (deltas), drastically reducing bandwidth requirements.
  • Perfectly integrates with VMware Site Recovery Manager (SRM) to provide an enterprise-grade disaster recovery solution.

PB-Level Dual-Controller SAS Storage Scalability

Achieve PB-level storage capacity by connecting up to seven QNAP expansion enclosures, and utilize Dual-path connections to ensure services continue running seamlessly even if a single node fails.

Perfect Match for QNAP Enterprise Switches

If you plan to enable iSER (iSCSI Extensions for RDMA) to lower CPU workloads and latency, QNAP's QSW series switches support PFC (IEEE 802.1Qbb). This allows pausing only traffic of "specific priorities" (such as storage traffic) without affecting other business operations, creating a true Lossless Ethernet environment and preventing packet loss from degrading RDMA transmission performance, thereby fully unleashing its high availability and extreme performance.

Adaptable to Diverse Application Scenarios

Application Scenario	ES2486AFdc Advantages
Virtualization Servers (VMware / Hyper-V / Proxmox)	Supports VAAI and ODX offload transfers; iSER (iSCSI over RDMA) lowers CPU loads. The dual-controller architecture guarantees zero VM downtime.
VDI (Virtual Desktop Infrastructure)	Powerful inline deduplication saves massive amounts of SSD space; high NVMe IOPS effortlessly handles "Boot Storms" when hundreds of employees boot up simultaneously.
Media & Entertainment (M&E)	Ideal for collaborative online editing of 4K/8K high-resolution videos, with 25GbE bandwidth satisfying multiple workstations accessing media assets concurrently.
Database (SQL / Oracle)	The ultra-low latency of NVMe drastically shortens database query times and transaction processing times.

Recommendations and Buying Guide

• 25GbE Solutions: The ES2486AFdc can be expanded for ultra-high 25GbE bandwidth; we recommend purchasing compatible QNAP 25GbE expansion cards and switches.
• Drive Selection: We recommend pairing the system with QNAP-certified enterprise SSDs.