QNAP TS-h2490FU-7302P-256G 24 Bay Dual Node NAS with Two Dual-Port 25GbE SmartNIC Ports and 1100W Redundant PSU
Product Description
The NVMe all-flash TS-h2490FU is designed for providing extreme performance with high cost-efficiency. Featuring 24 U.2 NVMe Gen 3 x4 SSD bays, the TS-h2490FU delivers up to 472K/205K random read/write IOPS with ultra-low latency. 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 petabyte-scale storage expansion capabilities, the TS-h2490FU is ideal for I/O-intensive and latency-sensitive applications, and eliminates productivity bottlenecks in modern data centers, virtualization, and mission-critical backup/restore tasks.
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Optimal SSD performance
Inline data deduplication and compression, Pool Over-provisioning, and TRIM maximize SSD performance and lifespan.
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4 x 25GbE SFP28 ports
Multi-connectivity of 25GbE SFP28 and 2.5GbE RJ45 accelerate virtualization, intensive file access, and large backup/restoration tasks.
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5 x PCIe Gen 4 slots
PCIe Gen 4 slots allow for installing 10GbE/25GbE/40GbE/100GbE adapters, QM2 cards, or Fibre Channel cards to increase application performance.
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Virtualization applications
Supports virtualization storage and hosting virtual machines and containerized apps.
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Cloud storage gateway
Cloud storage gateways realize hybrid cloud applications by working with the cache space reserved on NAS to ensure low-latency data access to the cloud.
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Petabyte-scale storage
Scalable design to grow with your business by connecting SAS 12Gb/s expansion enclosures for up to petabyte-scale storage capacity.
Multiple PCIe Gen 4 slots for flexible expansion
The TS-h2490FU is equipped with five PCIe Gen 4 slots. With twice the I/O performance of PCIe Gen 3, the TS-h2490FU can take advantage of many PCIe cards to expand application potential.
SAS/SATA storage expansion cards
Designed for connecting the TS-h2490FU to SAS 12Gb/s or SATA 6Gb/s expansion units for petabyte-scale storage capacity.
10GbE/25GbE/40GbE network cards
Enable lightning-fast throughput for bandwidth-hungry tasks (such as virtualization, massive data transmission, and fast backup/restoration).
QM2 M.2 SSD/10GbE cards
Add M.2 SSD caching or 10GbE (10GBASE-T) connectivity for optimized performance and bandwidth.
SAS/SATA storage expansion cards
Designed for connecting the TS-h2490FU to SAS 12Gb/s or SATA 6Gb/s expansion units for petabyte-scale storage capacity.
10GbE/25GbE/40GbE network cards
Enable lightning-fast throughput for bandwidth-hungry tasks (such as virtualization, massive data transmission, and fast backup/restoration).
Robust hardware paralleled to boost all-flash NVMe performance
The TS-h2490FU features high-level hardware with an expandable architecture to provide businesses with high performance and low latency access. With a removable motherboard drawer design, IT staff can easily maintain the TS-h2490FU without needing to remove it from the rack.
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2nd Gen AMD EPYC 7002 series processors
Designed for modern datacenter workloads with multi-core computing power. Up to 128 PCIe lanes of I/O provides 32Gb/s dedicated bandwidth for each SSD.
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DDR4 ECC memory
Supports 16 DDR4 eight-channel Long-DIMM memory modules.
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4x 25GbE SFP28 ports
Includes two dual-port 25GbE SmartNICs, supporting up to 100Gb/s bandwidth under Port Trunking.
Note: TS-h2490FU-7232P-64G is pre-installed with one dual-port 25GbE SmartNIC.
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2x USB 3.2 Gen 1 Type-A ports
Delivers up to 5 Gbps transfer speeds. Supports external hard drives or UPS.
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2x 2.5GbE RJ45 ports
Supports using existing CAT5e cables to instantly upgrade from 1GbE connections. Obtain up to 5 Gbps under Port Trunking.
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5x PCIe Gen 4 slots
Supports installing 10/25/40GbE network cards, QM2 cards, and SAS/SATA storage expansion cards for greater application potential (slots 4 or 5 is pre-installed with dual-port 25GbE NIC).
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Redundant power supply
Redundant 1100W power supplies ensure continuous system uptime.
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Smart cooling
Monitors system temperatures and automatically adjusts fan speeds.
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.
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Data integrity is key
QuTS hero’s self-healing ensures data integrity and reliability. Write Once, Read Many (WORM) is also supported.
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Data reduction improves storage efficiency and performance
Inline data deduplication, compression, and compaction reduce file size to conserve storage capacity and optimize performance.
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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 fail protection are simultaneously supported to boost performance and security.
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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.
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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.
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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 TS-h2490FU.
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 TS-h2490FU 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
1. Write Coalescing
Transforms all random writes to sequential writes along with reduced I/O, effectively increasing write performance in all-flash environments.
2. 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.
3. 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.
Real-time SnapSync ensures minimal RPO with real-time disaster recovery
Real-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.
Real-time SnapSync ensures minimal RPO with real-time disaster recovery
Real-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.
The TS-h2490FU also supports snapshots and remote backup to help organizations accomplish routine backup tasks cost-effectively and efficiently.
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Easy management and monitoring
Use the High Availability Manager app to easily configure, remove, or rebuild clusters.
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Guaranteed data consistency
Real-time data sync between active and passive servers minimizes the risk of data loss (RPO).
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Ensured continuity of critical business
The passive server takes over within 1 minute if the active server fails (RTO < 60 secs).
Run VMs and Containers
With no additional fees, you can run multiple VMs of different OS on TS-h2490FU. This allows you to deploy multi-tenant environments and applications to increase management efficiency and save hardware costs.
Single Root I/O Virtualization (SR-IOV)
By installing an SR-IOV compatible PCIe SmartNIC in the TS-h2490FU, you can allocate bandwidth resources from a physical network card directly to VMs. With traffic bypassing the Hypervisor vSwitch, it helps enhance I/O throughout and network efficiency, ensuring reliable VM applications and reduced CPU overheads.
Standard 5-year warranty
TS-h2490FU is backed by a 5-year warranty at no extra cost. This premier warranty demonstrates QNAPs dedication to your essential business needs for continuous operations and non-interrupted services.






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