
QNAP TDS-h2489FU-R2
Dual-CPU U.2 NVMe all-flash rackmount NAS, expandable for 100GbE and PB-scale storage
Our Price: $13,499.00
Our Price: $10,999.00
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Package Content
- TDS-h2489FU R2 Storage System
- 1 x Ethernet cable
- 2 Flat Head Screw (for M.2 SSD)
- 96 Flat Head Screw (for 2.5” HDD)
- 2 x Power Cord
- 1 x Hard disk tray key
- Quick Installation Guide (QIG)
Overview:
The flagship TDS-h2489FU R2 U.2 NVMe all-flash rackmount NAS, powered by dual Intel® Xeon® Silver 4300 series processors in 16/32-core configurations, delivers a highly efficient, secure, and reliable enterprise storage solution. Its robust performance meets the demands of virtualization, data centers, AI Big Data storage, cloud-based applications, and 3D rendering workstations, addressing the need for low-latency and high-load multitasking applications. The 24-bay TDS-h2489FU R2 comes with sixteen 2.5-inch U.2 PCIe NVMe slots and eight 2.5-inch U.2 PCIe NVMe / SATA 6Gbps slots, along with four PCIe Gen 4 expansion slots for quickly upgrading to 25GbE / 100GbE networking and PB-level storage, supporting high-speed data access and data growth. Dual redundant power supplies minimize the risk of unexpected hardware failure, ensuring stable system operation.
Available Models
- TDS-h2489FU-R2-4309Y-64G-
2 x Intel® Xeon® Silver 4309Y 8-core/16-thread processor, up to 3.6 GHz, 64 GB RDIMM DDR4 ECC (8 x 8 GB)
- TDS-h2489FU-R2-4314-128G-
2 x Intel® Xeon® Silver 4314 16-core/32-thread processor, up to 3.4 GHz, 128 GB RDIMM DDR4 ECC (8 x 16 GB))
- TDS-h2489FU-R2-4314-256G-
2 x Intel® Xeon® Silver 4314 16-core/32-thread processor, up to 3.4 GHz, 256 GB RDIMM DDR4 ECC (8 x 32 GB)
- TDS-h2489FU-R2-4314-512G-
2 x Intel® Xeon® Silver 4314 16-core/32-thread processor, up to 3.4 GHz, 512 GB RDIMM DDR4 ECC (16 x 32 GB)
- TDS-h2489FU-R2-4314-1T-
2 x Intel® Xeon® Silver 4314 16-core/32-thread processor, up to 3.4 GHz, 1 TB RDIMM DDR4 ECC (32 x 32 GB)
Scalable ECC RDIMM memory up to 1TB
Equipped with error-correcting DDR4 ECC RDIMM memory, expandable up to 1TB, boosting multitasking performance.
25GbE as standard and upgradable to 100GbE
Enable Port Trunking and connect to a network switch to expand bandwidth for more devices and workstations.
High expandability with PCIe Gen 4
Has four PCIe Gen 4 slots, allowing installing high-speed network cards (10/25/100GbE), M.2 SSD expansion cards, Fibre Channel cards, and storage expansion cards.
Petabyte-scale storage
Flexibly connect QNAP PCIe JBOD or SAS JBOD for higher capacity, exceptional performance, and flexible expandability.
M.2 SSD caching
Two M.2 PCIe NVMe / SATA slots for cache acceleration or high-speed storage pools, enhancing performance and data access speed.
Immutability
Uses the ZFS-based QuTS hero operating system, which ensures high data integrity with immutable storage, snapshot protection, data deduplication, and SSD optimization.
Features:
Unmatched on-demand performance, seamlessly powering critical applications.
The TS-h765eU has a shorter chassis depth of only 12 inches (292.1mm), making it easy to install in small cabinets and various space-limited environments, including factories, small offices, surveillance rooms, audiovisual rooms, or in-vehicle 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.
Dual-CPU performance with Intel® Xeon® Silver 4300 Series processors
Processor
Two Intel ® Xeon® Silver 4314 16-core and 32-thread processors (up to 3.4GHz).
Memory
Supports up to 1TB (32 x 32 GB) DDR4 ECC RDIMM RAM.
AES-NI Encryption
AES 256-bit hardware-accelerated encryption boosts system performance while securing sensitive data.
Enhanced Transmission efficiency
6 x 25GbE iSCSI, Random IOPS (4K), Compression On, Dedupe Off | Read 1,089,259 IOPS |
Write 540,515 IOPS |
6 x 25GbE SMB, Sequential Throughout (1MB), Compression On, Dedupe Off | Read 15,371 |
Write 17,198 MB/s |
Tested in QNAP Labs. Figures may vary by environment.
Test Environment:
NAS: TDS-h2489FU-R2-4314-128GB with RAM upgrade to 192GB, with QXG-25G2SF-CX6*3
OS:QuTS hero h5.1.7.2757 Build 20240507
Volume Type: Samsung PM 9A3 960GB PCIe Gen4x4 x24 (RAID 50)
Client PC: 5* Client PC simultaneously read and write 512GB file
Intel Core™ i7-7700 4.20 GHz CPU, 32GB DDR4 RAM, QXG-25G2SF-CX4, Windows® Server 2019, and Intel Core™ i3-8100 3.60 GHz CPU, 4GB DDR4 RAM, QXG-25G2SF-CX4, Windows® Server 2016
Ultimate hardware design unleashes all-flash NVMe performance.
The TDS-h2489FU R2 features an advanced hardware design with exceptional expandability to maximize SSD performance. The swappable controller module simplifies management and hardware maintenance.

25GbE as standard, expandable to blazing-fast 100GbE.
Ultra-high networking maximizes all-flash performance! TDS-h2489FU R2 delivers high bandwidth to meet enterprise demands for large file access, backup/restore, and running multiple virtual machines.
Built-in 2.5GbE
Provides four 2.5GbE ports with Port Trunking support for increasing bandwidth potential and network failover.
Upgrade to hyper-speed 100Gbps
The TDS-h2489FU R2 supports 100GbE network cards, which provide the bandwidth to tackle bandwidth-demanding applications.
Pre-installed 25GbE NIC for enhanced virtualization performance
The dual-port 25GbE network expansion card supports iSER (iSCSI Extensions for RDMA) to accelerate VMware® ESXi data transfers while reducing CPU load. It also supports SR-IOV, optimizing virtual machine network resource allocation, minimizing bandwidth overhead, and ensuring high-performance, and stable virtualization operations.
Note:
- The included dual-port 25GbE expansion card is pre-installed in PCIe slot 4.
- You are recommended to install the 100GbE expansion card in PCIe slot 1 (Gen 4 x16) for optimal performance.
More PCIe Gen 4 Slots. Endless Possibilities.
The TDS-h2489FU R2 has four PCIe Gen 4 slots, which have twice the bandwidth of PCIe Gen 3, enabling seamless expansion of NAS functionality to support diverse applications.
25/100GbE network card
Enable lightning-fast throughput for bandwidth-hungry tasks (virtualization, mass data transmission, and fast backup/restore).
Storage expansion card
Flexibly connect storage expansion units (PCIe JBOD, SAS JBOD or SATA JBOD) to the TDS-h2489FU R2 to attain PB-scale storage with high-efficiency data transfer.
QM2 expansion card
Add M.2 SSDs or 2.5GbE / 10GbE connectivity to the TDS-h2489FU R2 for optimized performance and bandwidth.
Flexible PB-level storage expansion
With ever-growing data, the TDS-h2489FU R2 supports connecting up to ten PCIe JBOD units TL-R2400PES-RP, adding additional 240 drives; or sixteen SAS JBOD units TL-R1620Sep-RP, adding additional 256 drives, offering PB-scale storage capacity.
Boost application performance with M.2 PCIe NVMe / SATA dual slots
The TDS-h2489FU R2 has two built-in M.2 slots, supporting both M.2 2280 NVMe PCIe Gen 3 and SATA 6 Gb/s interfaces, enabling flexible SSD configuration to maximize NAS performance potential.
Enable SSD caching | Install M.2 SSDs and enable SSD caching to reduce latency and enhance random read/write efficiency (IOPS) for small files. |
Create SSD storage pool | Create M.2 SSD volumes to boost intensive data transfer and access performance. |
Create SSD system drive | Use an M.2 SSD storage pool as the QuTS hero system drive to achieve optimal NAS system performance, efficient application metadata management, and optimized database operations. |
Power failure protection | Add M.2 SSDs to enable ZIL power failure protection, ensuring that the NAS can continue completing unfinished data writes after power outage followed by a power restoration, and preventing data corruption while modifying data. |
QuTS hero operating system
Designed for enterprises, the QuTS hero operating system adopts the highly reliable ZFS file system to provide utmost data integrity and stability for mission-critical storage. QuTS hero further optimizes SSD performance and endurance to meet businesses’ stringent demands for performance and reliability.
Automatic repair of corrupted data
ZFS supports self-healing for silent data corruption, automatically detecting damaged data to ensure data integrity.
Data immutability
Enable WORM (Write Once, Read Many) to prevent written data from being overwritten, modified, or deleted, effectively mitigating ransomware threats.
Power failure protection
ZIL (ZFS Intent Log) protects against potential data corruption caused by power failure by safeguarding unwritten data.
Data reduction
Inline data deduplication* reduces storage consumption for maintaining optimal disk capacity.
Prevent simultaneous SSD failure
The patented QSAL algorithm automatically and regularly detects RAID-level SSD lifespan to prevent simultaneous SSD failure, avoiding RAID crashes and data loss.
Multi-level security strategy for enterprises
Bolster business data security with resilience from all aspects
Connection
Enterprise private network connection | Filtering unauthorized access |
Build secure VPN connection using QVPN Service. Multi-site organizations can leverage QuWAN SD-WAN to quickly set up Mesh VPN for remote workers and branches. | Implement QuFirewall to allow/deny specific IP addresses and regions, preventing unauthorized access and cyber threats. |
Permission
Efficient NAS user management | Strengthened NAS log-in security |
The TDS-h2489FU R2 supports Windows® AD, Azure® AD, and LDAP; Admins can further improve management productivity and NAS security via delegated administration. | Set up passwordless login or two-factor authentication (2FA) for your NAS accounts to prevent data breaches and unauthorized access. |
Transmission
SMB signing acceleration |
Enable SMB signing to facilitate secure SMB file transfer, while QNAP’s exclusive algorithm greatly increases data signing efficiency and data transmission performance. |
Assessment
Security and risk assessment | Centralized notification management | Block malware attacks |
Security Center proactively detects NAS status and unusual file activity, and offers instant protective measures. | Centrally manage system events and alert notifications via Notification Center to stay up-to-date with NAS status. | Malware Remover regularly scans your NAS. When detecting malware attacks, infected files are immediately blocked and removed to ensure NAS security. |
All-in-one backup solution
The TDS-h2489FU R2 supports various apps that cover all your backup needs.

NAS/File server | Cloud | Mac |
Supports multiple protocols such as Rsync, FTP and CIFS/SMB for backing up different file servers. | Back up NAS data to/from major cloud services, including QNAP’s myQNAPcloud Storage. | Set a QNAP NAS as Time Machine backup destination. |
Windows® PC/Server
Back up full PC/server systems and manage all backups from multiple devices through a single interface.
VM
Back up VMware® vSphere and Microsoft® Hyper-V with dramatically lower costs than others.

Google™ Workspace/Microsoft 365®
Use QNAP’s Boxafe to back up, recover, and manage the data of 10,000+ users over multiple Google™ Workspace and Microsoft 365®.

WordPress
Backup, restore or migrate your WordPress site. QNAP NAS can also host a website.
Google Photos
Migrate archive photos to a QNAP NAS and free up your Google Photos spaces.

Secondary backup or restore
By supporting secondary backup, replication, or restore in a single interface, QNAP makes your business Disaster Recovery (DR) quick, easy, and effective.
NAS and file server
Use the same interface to configure and run backup, replication, and restore jobs.
Cloud
Supports advanced technologies to save backup time, spaces, and effort.
myQNAPcloud Storage
QNAP-hosted cloud storage that only charges for storage space, with transmitting data being completely free.

RPO = 0 real-time replication
Real-time SnapSync syncs between shared folders/LUNs on primary NAS and secondary NAS. This assists organizations in resuming essential data and services in the shortest time.

Run VMs and Containers
With no additional fees, you can run multiple VMs of different OS on TS-h765eU. This allows you to deploy multi-tenant environments and applications to increase management efficiency and save hardware costs.

VMs
Securely run Windows®, Linux®, UNIX®, QuTScloud VMs using Virtualization Station.

Containers
Run Docker®, LXD, Kata Containers and download Container Apps using Container Station.

VM High Availability
(Coming soon)
VM Live Migration and HA (High Availability) guarantee continuous operation and minimal downtime.

Network & Virtual Switch
Flexibly allocate virtual network resources and configure VLANs to ensure virtual services via the virtual network topology in Network & Virtual Switch.
Trusted storage for virtualization
Powerful yet affordable
Cost-effective iSCSI/IP-SAN storage solutions with high bandwidth for reduced latency.
Flexible & Scalable
Supports multiple protocols and expansion options to meet business needs.
Data protection
Offers LUN encryption, snapshots, and backup to ensure data safety.
Compatible with top-tier solutions
The TDS-h2489FU R2 supports VMware® vSphere™, Microsoft® Hyper-V®, and Citrix® XenServer™ mainstream virtualization platforms. With the QNAP CSI Plugin for Kubernetes®, the TDS-h2489FU R2 is also ideal block storage for Kubernetes® containerized apps.
Object storage certified as Veeam® Ready
Use the TDS-h2489FU R2 with QuObjects as the premier destination for S3 object storage and backup. QuObjects supports Object Lock, validated as Veeam® Ready – Object with Immutability.
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 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 & Fibre Channel app. Moreover, the LUN Masking and Port Binding features provide an additional layer of data security.
Switch to QTS operating system
for choosing various cache modes
The TDS-h2489FU R2 supports QTS - QNAP’s standard NAS operating system. QTS provides great everyday performance and efficient memory utilization.
5-year warranty as standard
The TDS-h2489FU R2 is backed by a 5-year warranty at no extra cost – providing your business organization with greater peace of mind.
Specifications:
TDS-h2489FU-R2-4314-1T | TDS-h2489FU-R2-4314-512G | TDS-h2489FU-R2-4314-256G | TDS-h2489FU-R2-4314-128G | TDS-h2489FU-R2-4309Y-64G | |
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CPU | 2 x Intel® Xeon® Silver 4314 16-core/32-thread processor, up to 3.4 GHz | 2 x Intel® Xeon® Silver 4309Y 8-core/16-thread processor, up to 3.6 GHz | |||
CPU Architecture | 64-bit x86 | ||||
Encryption Engine | (AES-NI) | ||||
System Memory | 1 TB RDIMM DDR4 ECC (32 x 32 GB) | 512 GB RDIMM DDR4 ECC (16 x 32 GB) | 256 GB RDIMM DDR4 ECC (8 x 32 GB) | 128 GB RDIMM DDR4 ECC (8 x 16 GB) | 64 GB RDIMM DDR4 ECC (8 x 8 GB) |
Maximum Memory | 1 TB (32 x 32 GB) | ||||
Memory Slot | 32 x RDIMM DDR4 ECC (16 x slots per socket) | ||||
Flash Memory | 5GB (Dual boot OS protection) | ||||
Drive Bay | 24 (16 x 2.5-inch U.2 PCIe NVMe + 8 x 2.5-inch U.2 PCIe NVMe/SATA 6Gbps) The system is shipped without SSD. |
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Drive Compatibility | 2.5-inch bays: 2.5-inch SATA solid state drives (#17-24) 2.5-inch U.2 NVMe PCIe Gen4 x4 solid state drives |
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Hot-swappable | (Not supported M.2 SSD) | ||||
M.2 Slot | 2 Slot 1: M.2 2280 NVMe PCIe Gen 3 x4 or SATA 6Gb/s Slot 2: M.2 2280 NVMe PCIe Gen 3 x2 or SATA 6Gb/s |
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SSD Cache Acceleration Support | |||||
SR-IOV | |||||
2.5 Gigabit Ethernet Port (2.5G/1G/100M) | 4 (2.5G/1G/100M/10M) | ||||
25 Gigabit Ethernet Port | 2 x 25GbE SFP28 SmartNIC port | ||||
Wake on LAN (WOL) | Only the 2.5GbE port |
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Jumbo Frame | |||||
PCIe Slot | 4 Slot 1: PCIe Gen4 x16 or Gen4 x8* Slot 2: PCIe Gen4 x8 Slot 3: PCIe Gen4 x16 or Gen4 x8* Slot 4: PCIe Gen4 x8 *Slot 4 is preinstalled with a 25GbE network adapter. **Slot 1 provides the width of PCIe Gen4 x16 when Slot 2 is not in use, and provides the width of PCIe Gen4 x8 when Slot 2 is in use. **Slot 3 provides the width of PCIe Gen4 x16 when Slot 4 is not in use, and provides the width of PCIe Gen4 x8 when Slot 4 is in use. Card dimensions for PCIe slot 1:225 x 68.9 x 39.08 mm / 8.86 x 2.71 x 1.54 inches. Card dimensions for PCIe slot 2:225 x 68.9 x 18.76 mm / 8.86 x 2.71 x 0.74 inches. Card dimensions for PCIe slot 3:225 x 68.9 x 39.08 mm / 8.86 x 2.71 x 1.54 inches. Card dimensions for PCIe slot 4:225 x 68.9 x 18.76 mm / 8.86 x 2.71 x 0.74 inches. Wider cards can be installed if the next PCIe slot will not be used. |
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USB 3.2 Gen 1 port | 4 | ||||
Form Factor | Rackmount | ||||
LED Indicators | SSD, Status, Power, Fan, Temperaure, Power Module Status, Device Name, IP Address | ||||
Buttons | Power, Reset, OLED | ||||
Dimensions (H x W x D) | 88.3 × 446.2 × 713.2 mm | ||||
Weight (Net) | 22.77 kg | ||||
Weight (Gross) | 27.55 kg | ||||
Operating temperature | 0 - 35°C (32°F - 95°F) | ||||
Storage Temperature | -20 - 70°C (-4°F - 158°F) | ||||
Relative Humidity | 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) | ||||
Power Supply Unit | 1200W PSU(x2), 100-240Vac Max Wattage: 1200W@200-240Vac 1000W@100-127Vac |
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Power Consumption: Operating Mode, Typical | 467.59 W Tested with drives fully populated. |
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Fan | 6 x 60mm, 12VDC | ||||
System Warning | Buzzer | ||||
Standard Warranty | 5 | ||||
Max. Number of Concurrent Connections (CIFS) - with Max. Memory | 10,000 |
Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications and refer to the hardware user manual to install compatible QNAP memory modules.
Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.
QNAP reserves the right to replace partial parts or accessories if the original is no longer available from its manufacturer/supplier. Any replacement would be fully tested and verified to meet strict compatibility and stability guidelines and will deliver identical performance to the original.
The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc.
Product images are for illustrative purposes only and may differ from the actual product. Due to differences in monitors, colors of products may also appear different to those shown on the site.
Designs and specifications are subject to change without notice.
How to choose an all-flash array?
Pricing Notes:
- Pricing and product availability subject to change without notice.
Our Price: $13,499.00
Our Price: $10,999.00
Want to build a custom bundle? Contact us!