Best QNAP TDS-h2489FU NAS Rack (2U) Ethernet LAN Black, Silver 4314 for Business

Dual-processor (2 x 8 Cores & 2 x 16 Cores) NVMe all-flash ZFS storage built for latency-sensitive file servers, virtualized workloads, and 4K/8K streams

Featuring dual Intel® Xeon® Silver 4300 processors and 24 U.2 NVMe Gen 4 x4 SSD bays, the QNAP’s flagship NVMe all-flash storage TDS-h2489FU delivers high random read/write IOPS for tackling I/O-intensive and latency-sensitive applications. The ZFS-based QuTS hero operating system supports inline data deduplication and compression for reducing I/O and SSD storage consumption, which significantly extends SSD lifespan with a higher price-performance ratio for all-flash storage arrays. Coupled with near-unlimited snapshots, real-time SnapSync, and QSAL (QNAP SSD Antiwear Leveling), the TDS-h2489FU meets your requirements for modern data centers, virtualization, and mission-critical backup/restore tasks.

Optimized SSD performance and lifespan
Inline data deduplication and compression, Pool Over-provisioning, and TRIM maximize SSD performance and lifespan.

25GbE & 2.5GbE connectivity
Dual 25GbE SFP28 and quad 2.5GbE RJ45 high-speed connectivity accelerates virtualization, intensive file access, and large backup/restoration tasks.

High-speed PCIe Gen 4 slots
Allows for installing 10/25/40/100GbE adapters, QM2 cards, or Fibre Channel cards to increase application performance.

Virtualization applications
Supports virtualization storage and hosting virtual machines and containerized apps.

Cloud storage gateway
Realizes hybrid cloud applications by working with the cache space reserved on NAS to ensure low-latency data access to the cloud.

Flexible storage expansion
Scalable design to grow with your business by connecting SAS 12Gb/s expansion enclosures for up to petabyte-scale storage capacity.

Build high-performance storage infrastructure for IOPS-demanding applications

Virtualization
Eliminates storage bottlenecks for unstructured data and I/O intensive workloads; ideal for server virtualization and virtual desktop infrastructure (VDI).

Data Centers
Delivers ultra-low latency and high IOPS performance, providing response times within microseconds for data centers that host significant business-critical systems and data.

Media and Entertainment (M&E) production
Satisfies smooth 4K/8K media streaming and post-production, empowering multimedia workflows with faster data transfer, access, and backup for boosted efficiency.


Multiplied computing power with dual Intel® Xeon® Scalable processors and 8-channel DDR4 ECC memory
The TDS-h2489FU is powered by dual Intel® Xeon® Silver 4309Y 8-cores 2.8 GHz (up to 3.6 GHz) or Intel® Xeon® Silver 4314 16-cores 2.4 GHz (up to 3.4 GHz) processors, which are based on the new 3rd Gen Intel® Xeon® Scalable processors architecture that increases core performance, memory, I/O bandwidth, and features built-in workload and service acceleration. With 8-channel modules and 32 Long-DIMM slots, the TDS-h2489FU’s DDR4 memory can be upgraded up to 1 TB for fulfilling memory-intensive applications. Demonstrating immense computing power and multi-tasking capabilities, the TDS-h2489FU is outstanding for uncompromising performance demands in HPC, virtualization, file servers, and multimedia applications.

U.2 NVMe PCIe Gen 4 x4 – faster speed, optimal I/O, and lower latency
The 2U rackmount TDS-h2489FU has 24 drive bays for U.2 NVMe PCIe Gen 4 x4 SSDs that supply up to 64 Gb/s bandwidth (compatible with PCIe Gen 3 SSDs) for the utmost application response times. Coupled with powerful ZFS data deduction and SSD optimization technologies, the TDS-h2489FU provides solid foundations for overcoming performance demands while also maximizing your SSD investments! Among the 24 drive bays, slots 17 to 24 support both high-performance U.2 NVMe PCIe Gen 4 x4 SSDs or economical SATA 6Gb/s SSDs.

Extreme NVMe all-flash performance

Dual 25GbE connectivity optimizes data transfer and VMware virtualization with iSER
The TDS-h2489FU provides four 2.5GbE RJ45 ports and has a built-in QXG-25G2SF-CX6 dual-port 25GbE SFP28 SmartNIC with the NVIDIA® Mellanox ConnectX®-6 Lx SmartNIC controller that supports iSCSI Extensions for RDMA (iSER) to increase performance of data transfer between NAS and ESXi server and offload CPU workloads. With Port Trunking and Auto-Negotiation, the TDS-h2489FU empowers your organization with the bandwidth and reliability to allow thousands of endpoint users to smoothly access data stored on the NAS and also satisfy the most demanding applications (including data centers, virtualization, massive file transfer, high-speed backup/restoration, and multimedia transmission). The TDS-h2489FU is also ideally matched with QNAP’s managed and unmanaged 2.5GbE/10GbE switches to form high-speed, secure and scalable network environments without going over budget.

M.2 PCIe/SATA slots for SSD cache acceleration or enhanced AI image recognition
To attain optimal I/O and reduce latency, you can configure SSD caching by using either 2.5-inch SSDs or two M.2 2280 SSDs (NVMe PCIe Gen 3 or SATA 6 Gb/s, sold separately) in the TDS-h2489FU. You can implement durable data center SSDs (such as Intel® Optane™ SSDs) to enhance ZIL protection along with the QuTS hero Dedicated ZIL – SLOG. Extra M.2 SSD slots can also be added by installing QM2 PCIe cards. The M.2 PCIe slots also allow for installing a Coral M.2 Accelerator with Edge TPU, providing an affordable solution to leverage AI acceleration for faster image recognition in your NAS applications.

Leverage the M.2 PCIe NVMe SSD to U.2 Adapter
Install one or more QDA-UMP4 adapter in the TDS-h2489FU to maximize PCIe bandwidth utilization in a cost-effective way by using M.2 PCIe 4.0 x4 NVMe SSD instead of the U.2 SSD for optimizing data-intensive applications. It can also boost IOPS performance when configuring SSD caching. Users can monitor drive health and manage SSD usage from the QTS Storage & Snapshots Manager. The M.2 SSD installed in the QDA-UMP4 is hot swappable.

Multiple PCIe Gen 4 slots for flexible expansion
The TDS-h2489FU is equipped with two PCIe Gen 4 slots (one slot comes with a pre-installed dual-port 25GbE NIC) which delivers twice the I/O performance of PCIe Gen 3 for expanding NAS application potential.

Robust hardware paralleled to boost all-flash NVMe performance
TDS-h2489FU features high-level hardware with an expandable architecture to provide businesses with high performance and low latency access. A removable motherboard drawer design also makes it easier to maintain the TDS-h2489FU’s hardware.

OLED display for system status

ZFS-based QuTS hero operating system enhances NAS performance and data integrity
QuTS hero combines the app-based QTS with the 128-bit ZFS file system to provide flexible storage management, comprehensive data protection, and optimized performance to tackle the complexity and performance demands of modern IT. From storage management, virtualization, to collaborative media workflows, QuTS hero streamlines your business-critical tasks.

Data integrity is key
QuTS hero’s self-healing ensures data integrity and reliability. Write Once, Read Many (WORM) is also supported.

Data reduction improves storage efficiency and performance
Inline data deduplication, compression, and compaction reduce file sizes to conserve storage capacity and optimize performance.

Multi-level cache technology
Main memory read cache (L1 ARC), SSD second-level read cache (L2 ARC), and ZFS Intent Log (ZIL) for synchronous transactions with power failure protection are supported to boost performance and security.

RAID Z enables robust data protection
Multiple RAID levels allow flexible capacity utilization. RAID Triple Parity and Triple Mirror deliver higher levels of data protection.

QSAL (QNAP SSD Antiwear Leveling) enhances data protection
RAID-level SSD lifespan is automatically and regularly detected to prevent simultaneous SSD failure, improving your data protection and system reliability.

App Center ecosystem extends NAS functionality
Apps for backup/sync, virtual machines/containers, content management, productivity, and more features can be used to expand the application potential of the NAS.

Inline data deduplication, compression, and compaction improve SSD endurance
QuTS hero supports advanced block-based data reduction technologies (including inline data deduplication, compression, and compaction) to reduce file sizes, conserve storage capacity, and optimize performance. For example, if 20 virtual machines on a NAS are replicated using the same template, then storage space requirements for all 20 virtual machines can be reduced by up to 95%. Whether acting as primary or backup storage, the TDS-h2489FU optimizes storage utilization to provide a reliable storage cornerstone in the Big Data era. All-flash solutions thus achieve higher cost efficiency while improving both random write performance and SSD lifespan.

More SSD performance and lifespan optimization technologies
Write Coalescing
Transforms all random writes to sequential writes along with reduced I/O, effectively increasing write performance in all-flash environments.

Pool Over-provisioning
Dedicated space can be flexibly reserved in an SSD storage pool to allow new data to be written into a complete block even if the pool is almost full, thus improving the performance of fragmented pools.

TRIM
Allows QuTS hero to inform SSDs to delete unneeded data blocks and process the deletion tasks during system idle times, meaning it does not have to wait for when new data is written to the block.

Comprehensive backup and disaster recovery solution
The TDS-h2489FU supports various apps that cover all your backup needs. Practice safe IT habits by regularly backing up files and device content, allowing them to be easily restored when needed.

Remote backup for NAS
Hybrid Backup Sync makes it easy to back up data from a TDS-h2489FU to another QNAP NAS or remote server to fulfill your 3-2-1 backup strategy.

VM backup
Enjoy license-free VMware® and Hyper-V VM backup with source-side incremental backup, global deduplication, and recovery compression.

SaaS backup
Safeguard enterprise cloud data by backing up/syncing files, emails, calendars, and contacts from Google™ Workspace and Microsoft® Office 365® to the NAS.

Cloud backup for NAS
Hybrid Backup Sync supports mainstream cloud storage for NAS data backup. For backup to object cloud storage, VJBOD Cloud is especially useful to reduce bandwidth usage and backup time.

QuDedup technology
Hybrid Backup Sync eliminates redundant data at the source and then backs up the deduplicated data, helping to save time and storage costs while providing efficient multi-version backups.

Real-time SnapSync
Real-time SnapSync immediately synchronizes data changes with the destination storage, ensuring the primary and secondary NAS always have the same data. RPO is minimal to achieve real-time disaster recovery.

Multi-version snapshots mitigate ransomware threats
The TDS-h2489FU supports block-based snapshots that record the state of the system at any time. It helps protect data, which can be restored back to a specific point of time, greatly helping in mitigating the threat of ransomware.

Up to 65,535 snapshots
QuTS hero supports enough snapshots for you to create 1 snapshot every hour for 7 years without needing to delete any! Copy-on-write technology makes snapshot creation almost instantaneous without affecting ongoing data writing.

Back up snapshots
Multiply data protection by backing up snapshot files! Replicate volume/LUN snapshots in the TDS-h2489FU to a remote NAS (Snapshot Replica) by copying only the changes made. This helps save time & bandwidth, and can be run manually or on a scheduled basis.

All-in-one solution for hosting virtual machines and containers
By running multiple virtual machines and containers on the TDS-h2489FU, you can deploy multi-tenant environments and applications to increase management efficiency and save hardware costs. Coupled with the Network & Virtual Switch app that boosts interoperability between virtual machines, containers, QNAP NAS, and other physical devices on the network, you can flexibly allocate physical and virtual network resources to simplify network deployment.

Virtualization Station
Run multiple Windows®, Linux®, UNIX®, Android™, and QuTScloud virtual machines and access them via a web browser or Virtual Network Computing (VNC). Businesses can run virtualized server applications on a single NAS without needing additional physical servers.

Conainer Station
Experience Docker®, LXD, and Kata Containers lightweight virtualization technologies, download apps from the built-in Docker Hub Registry®, import/export containers, and create abundant microservices.

Linux Station
Run Linux® applications (including apps from the Software Center) directly on the NAS and remotely access the Linux® desktop from a web browser. The open-source Linux® platform is also ideal for Internet of Things development.

QuTScloud virtual NAS
QuTScloud is a virtual appliance based on the QTS operating system. Enterprises can quickly launch QuTScloud on hypervisors including Linux® KVM, Microsoft® Hyper-V, and VMware ESXi™ to acquire advanced NAS features without requiring additional NAS hardware.

Reliable, high-performance storage for virtualization
The TDS-h2489FU 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.

Comprehensive security and privilege settings
The TDS-h2489FU is loaded with flexible privilege settings and security measures. Besides IP blocking, 2-step verification, HTTPS connection, there are more apps that help ensure optimal NAS protection against threats like malware and hackers.

Simplified privilege settings
The TDS-h2489FU supports comprehensive access right settings for shared folders, Azure Active Directory Domain Services (Azure AD DS), LDAP, and Windows ACL to help IT staff efficiently manage user accounts and access rights for multiple NAS systems.

QuFirewall protection
Supports IPv6, firewall access lists, and GeoIP filtering to restrict access based on geographical locations for higher NAS network security.

Superior security with QVPN
A virtual private network (VPN) allows secure access to network resources and services across public networks. QVPN supports creating a VPN client, using the TDS-h2489FU as a VPN server, and WireGuard® VPN service with an easy-to-use interface for setting up a secure connection.

QuWAN SD-WAN
To facilitate digital transformation, multi-site expansion and remote working, QuWAN SD-WAN helps automatically mesh multi-site VPN. It features IPsec encryption and cloud-centric management, allowing secure multi-site network including QNAP NAS and VMware ESXi platforms.

Security Counselor
A security portal for the TDS-h2489FU to check for weaknesses and offer recommendations for enhancing NAS security. It also integrates anti-virus and anti-malware scanning software.

Malware Remover
Regularly scan your TDS-h2489FU using the latest malware definitions. If infected files are detected, they will be immediately removed to ensure NAS data security.

The best file storage and collaboration center
The TDS-h2489FU integrates rich apps for storing, managing, synchronizing, searching, and archiving files. It supports SMB/CIFS, AFP, and NFS protocols for streamlined file sharing across Windows®, Mac®, and Linux®/UNIX®, and provides the smartest NAS solution for professionally managing your files.

File Station
Manage, access, and share all the files in the TDS-h2489FU and view snapshots files – all from your web browser. You can also easily mount remote NAS folders and cloud storage.

Qsync
Make any file uploaded to a TDS-h2489FU available to linked devices, such as computers, laptops and mobile devices. You can sync shared folders and team folders for group file sharing to enhance the flexibility of team projects and collaboration.

Qsirch
QNAP’s powerful, Google-like search tool helps you quickly find images, music, videos, documents, and emails by keywords, color, and more search conditions. It also supports Qfiling to perform one-time or automatic archival tasks based on your search criteria.

Qfiling
Automate your file organization ─ all you need to do is categorize files, set a schedule, and Qfiling will do the rest. Qfiling also enables smart recycling that instantly moves filtered files to the Recycle Bin.

Build an affordable Fibre Channel SAN environment
Common Fibre Channel Storage Area Networks (SAN) devices are often costly. By installing QNAP dual-port 16Gb/32Gb Fibre Channel expansion cards in the TDS-h2489FU, you have more budget-friendly options to add a NAS to a SAN environment. You can set a Fibre Channel Target using the iSCSI & Fibre Channel app. Moreover, the LUN Masking and Port Binding features provide an additional layer of data security.

Flexible and economical storage expansion
QNAP provides easy ways to expand your storage capacity. Here are several ways to expand your TDS-h2489FU storage as needed to accommodate data and business growth.

Attach QNAP expansion enclosures
Connect expansion enclosures to the TDS-h2489FU, and manage NAS storage expansion with the user-friendly Storage & Snapshots Manager app.

Mount cloud storage or remote file servers
Mount cloud storage or remote file servers to expand the capacity of the TDS-h2489FU while also centrally managing files on the NAS, cloud storage, and remote devices.

Migrate to a new NAS
Install your NAS hard drives into a larger QNAP NAS and retain all your existing data and configurations.

Upgrade RAID capacity
Hot-swap lower-capacity drives with larger-capacity drives to expand your NAS capacity so it can grow with your business.

More productivity-boosting applications
The TDS-h2489FU provides an App Center that includes feature-rich apps to expand your NAS potential!

QuMagie
An AI-powered photo management app, supporting automated photo categorization with AI Albums, iOS® Live Photo display, and powerful search tools for the ultimate photo management and sharing solution.

QuObjects
Run a high-performance S3 compatible development environment on your TDS-h2489FU to simplify service development workflows from testing to production. You can also move cold data from the cloud to an on-premises QuObjects to save cloud storage costs.

Notification Center
Consolidates all system events, alerts, and notifications for smooth and easy NAS management, keeping you always informed of your NAS status.

Proxy Server
By using a high-capacity TDS-h2489FU as a proxy server, online resources can be efficiently accessed with greater cost-savings and productivity, while network security is also enhanced at the same time.

QmailAgent
Centralize multiple email accounts and protect your data by using secondary backup, making managing and backing up emails absolutely easy.

QuFTP
The TDS-h2489FU can perform as an FTP server featuring SSL/TLS encryption, QoS bandwidth controls, and permission settings for efficiently and securely transferring large amounts of data. FTP Client is also supported.

A health check for your hard drives
Hard drives are at the heart of your NAS, and ensuring their long-term health and reliability is absolutely crucial. QNAP provides various methods and tools to help you monitor hard drive health, ensuring that you can take proactive decisions to safeguard your data and files.

S.M.A.R.T. and back block scanning
If any of the S.M.A.R.T. values are reported as abnormal, or bad blocks are detected, you can take early action and replace drives before potential data loss occurs.

DA Drive Analyzer
The DA Drive Analyzer leverages ULINK cloud-based AI to predict the expected lifespan of drives, assisting you in planning future drive replacements to protect against NAS downtime and data loss.

Seagate® IronWolf™ Health Management
When using supported IronWolf™ or IronWolf Pro™ hard drives, overall system reliability is improved by providing you with actionable prevention, intervention, and recovery options.