[Important Security Notice] Fake Qfinder Pro Websites Detected. Learn more >

TS-h665U
Intel® quad-core 1U rackmount NAS with dual E1.S slots, dual 2.5GbE ports, and PCIe expansion — delivering high-speed performance and versatile scalability

ts-h665u

TS-h665U is designed for small and medium-sized businesses, powered by an Intel® quad-core processor, and equipped with dual 2.5GbE network ports that support port trunking for up to 5 Gbps network bandwidth. A PCIe expansion slot allows flexible upgrades, such as adding a 10GbE/5GbE network card or a QM2 card for M.2 SSD caching, delivering exceptional expandability. With the built-in Intel® AES-NI encryption engine, TS-h665U maintains outstanding data access performance even when accelerating AES 256-bit encryption.
Within a 1U chassis, TS-h665U offers four 3.5-inch SATA bays and two high-expandability E1.S slots, delivering a powerful and efficient multitasking NAS solution. TS-h665U comes with the QuTS operating system preinstalled, offering ZFS data integrity and immutability to protect against data tampering

intel-processor-2025ddr5-ram2.5GbEusb3.2-gen1pcieqts-quts-hero
  • Dual 2.5GbE as standard

    Accelerate data transfer and backup speeds by enabling Port Trunking or SMB Multichannel.

  • DDR5 RAM

    Built-in high-performance and low power consumption DDR5 RAM supports In-Band ECC (IBECC) for data reliability. Up to 16GB RAM can be installed.

  • Flexible E1.S slots

    E1.S NVMe PCIe slots provide flexible configuration of SSD caching, ensuring the NAS is never limited in its specifications.

  • Secure Snapshot Protection

    Snapshots record the complete system state and data, allowing you to quickly restore the system to a normal state in the event of unexpected incidents.

  • PCIe Gen 3 slot

    Supports 5/10GbE NIC or QM2 expansion cards, offering flexible upgrades for high-speed networking and enhanced application performance.

  • Long-term supply

    TS-h665U will be available and supported by QNAP for an extended period, up to 2031.

New-gen high-performance Intel® Quad-core processor

  • Processor

    Intel® quad-core processor

  • Memory

    DDR5 non-ECC RAM (Supports In-Band ECC); upgradable to 16GB (1 x 16GB)

  • AES-NI Encryption Engine

    AES 256-bit hardware-accelerated encryption boosts system performance while securing sensitive data

  • In-Band ECC

    Enhances system security and data reliability

New-gen high-performance Intel® Quad-core processor

  • Processor

    Intel® quad-core processor

  • Memory

    DDR5 non-ECC RAM (Supports In-Band ECC); upgradable to 16GB (1 x 16GB)

  • AES-NI Encryption Engine

    AES 256-bit hardware-accelerated encryption boosts system performance while securing sensitive data

  • In-Band ECC

    Enhances system security and data reliability

Enhanced transmission efficiency

  • 2 x 2.5GbE SMB sequential throughput (1M)

    Read
    MB/s
    Write
    MB/s
  • 2 x 10GbE SMB sequential throughput (1M)

    Read
    MB/s
    Write
    MB/s
2 x 2.5GbE SMB sequential throughput (1M) Read
MB/s
Write
MB/s
2 x 10GbE SMB sequential throughput (1M) Read
MB/s
Write
MB/s

Tested in QNAP Labs. Figures may vary by environment.

Test Environment:
NAS: TS-h665U with QXG-10G2TB
OS: QTS 5.2.6.3209
Volume type : 8 x Samsung 870 EVO 1TB SATA SSD , RAID 5, thick volume
Client PC : Windows Server 2019 Standard, Intel i7-6700 3.4GHz, 64GB RAM, LAN-10G2T-X550
IOmeter : RAM*4, 30-sec ramp up time, 3-min seq. run time, 1 workers, 32-outstanding

Surpass the competitor with standard 2.5GbE and flexible 10GbE upgrade

In modern business IT, a NAS with only 1GbE is a performance bottleneck. The TS-h665U comes with faster network connectivity which enables businesses to facilitate bandwidth-demanding applications, such as large file access, backup/restore, virtualization, and more.

  • Built-in 2.5GbE

    The TS-h665U comes with two 2.5GbE ports, outperforming similar competitor NAS that only provides 1GbE.

  • Upgradable to 10GbE

    You can install up to two-port 10GbE network modules via the PCIe Gen3 slot.

  • Enhance overall bandwidth

    Obtain increased network speed and fault tolerance by configuring Port Trunking.

PCIe Gen 4 slots

Powerful expansion with E1.S PCIe slots

TS-h665U has two E1.S NVMe slots that offer unparalleled NAS flexibility for boosting performance.

  • Enable SSD caching

    Install E1.S PCIe NVMe SSDs and enable SSD caching to reduce latency and enhance random read/write efficiency (IOPS) for small files.

  • Create SSD system drive

    Use the E1.S PCIe NVMe SSD storage pool as the QuTS hero system drive to achieve optimal NAS system performance, efficient application metadata management, and optimized database operations.

  1. HS-M2SSD-07 or TPAD-M2SSD-04 thermal kit (optional purchase) is recommended for optimizing M.2 PCIe NVMe SSD cooling efficiency for stable data transfer.
  2. With the QDA-E1SM2 adapter, it supports M.2 NVMe SSDs, providing a hot-swappable solution.

Abundant I/O capabilities with PCIe expansion

TS-h665U has one PCIe Gen 3 x2 slot that allow for installing various expansion cards for expanding application potential.

Future-proof your storage with JBOD scalability

As file volumes and storage needs grow, the TS-h665U can connect up to one QNAP 12-bay TL-R1200C-RP JBOD expansion units, adding up to 12 additional hard drives and providing exceptional storage capacity.

All-in-one backup solution

The TS-h665U supports various apps that cover all your backup needs. See all

  • NAS/File server

    Supports multiple protocols such as Rsync, FTP and CIFS/SMB for backing up different file servers.

  • Cloud

    Back up NAS data to/from major cloud services, including QNAP’s myQNAPcloud One.

  • Mac

    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. Learn more

  • VM

    Back up VMware® vSphere and Microsoft® Hyper-V with dramatically lower costs than others. Explore

  • Google™ Workspace/Microsoft 365®

    Use QNAP’s HDP for SaaS 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. Learn more

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. Explore more >

  • NAS and file server

    Backup NAS data to another QNAP NAS or remote server. Supports immutable backups by using WORM folders as the destination, preventing data from being overwritten, modified, or deleted to effectively protect against ransomware.

  • Cloud

    Supports advanced technologies to save backup time, spaces, and effort.

  • myQNAPcloud One

    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. Learn more

Real-time sync for seamless team collaboration

Whether you’re in the office or on the go, you can access the latest files synchronized to TS-h665U on multiple devices for efficient teamwork. Version Control keeps track of document changes, simplifying file management and restoration.

  • Cross-Device Sync
    Sync NAS files across multiple devices, including desktops, laptops, tablets, and phones.
  • Custom Sync Rules
    Set rules for automatic file sync and conflict resolution.
  • Team Folders
    Share folders with specific teams for collaborative file management.

Multi-level security strategy for enterprises

Bolster business data security with resilience from all aspects

Connection

Permission

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

    Security Center proactively detects NAS status and unusual file activity, and offers instant protective measures.

  • Centralized notification management

    Centrally manage system events and alert notifications via Notification Center to stay up-to-date with NAS status.

  • Block malware attacks

    Malware Remover regularly scans your NAS. When detecting malware attacks, infected files are immediately blocked and removed to ensure NAS security.

Construct a multi-level security defense system for enterprises

How to configure your network and connect your NAS to prevent malware attacks?

Run VMs and Containers

With no additional fees, you can run multiple VMs of different OS on TS-h665U. This allows you to deploy multi-tenant environments and applications to increase management efficiency and save hardware costs.

  • Containers

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

  • VM High Availability

    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.

Surveillance NAS solution for Business

Surveillance NAS is an easy-to-deploy and cost-efficient all-in-one intelligent surveillance platform that integrates AI analytics, video backup and fault tolerance, centralized management (CMS), and surveillance cloud services, meeting professional surveillance requirements across diverse deployment scenarios. A single NAS supports up to 1,024 channels, leveraging file-based writing technology to enhance processing performance and meet the demands of multi-channel, high-capacity, and long-duration recording. Learn more about QVR Surveillance NAS solution

Use AI-powered drive failure prediction to safeguard your data

  • Powered by cloud-based AI engine, DA Drive Analyzer can predict drive failure and lifespan. Enterprises can plan drive replacement in advance to prepare for drive failure before it occurs and prevent data loss.

    • ️Supports SATA / SAS / NVMe drive analysis
    • Supports Proxy sever connection
    • Completes drive failure prediction in 24 hours
    • Customized drive data upload time
    • All NAS include 1 drive license for permanently free

Switch to QuTS hero operating system

for optimal data integrity and reliability

The TS-h665U also supports QuTS hero - QNAP’s ZFS-based NAS operating system, providing end-to-end data integrity, WORM protection, data reduction (inline data deduplication, compression, and compaction), and much more.

FAQ

Understand hardware requirement before switching to QuTS hero

What’s the difference between QTS and QuTS hero?

Learn More

How to migrate data from an old NAS?

Learn More

Extend hardware warranty up to 5 years

The TS-h665U is backed by a 3-year warranty at no additional cost.
You can also purchase a warranty extension that extends your warranty coverage up to 5 years.

Need help?

Contact us now to get more recommended products or solutions catered to your needs and requirements!

Optional Accessories

  • QM2-2P-244A

    QM2-2P-244A

    Dual M.2 22110/2280 PCIe SSD expansion card;

    Dimension (L × W × H): 170.5 × 20.6 × 68.9 (mm)

    Weight: 0.29 (kg)

    Please check the M.2 SSD compatibility list and QM2 Installation Guide

  • QM2-2P-344A

    QM2-2P-344A

    Dual M.2 PCIe SSD expansion card; M.2 2280/22110 PCIe NVMe(Gen 3x4) SSDs; PCIe Gen3x4 host interface

    Dimension (L × W × H): 170.5 × 19.3 × 68.9 (mm)

    Weight: 0.30 (kg)

  • QM2-2P10G1TB

    QM2-2P10G1TB

    QM2 series, 2 x PCIe 2280 M.2 SSD slots, PCIe Gen3 x 8 , 1 x Marvell AQC113C 10GbE NBASE-T port

    Dimension (L × W × H): 152.65 × 18.9 × 68.9 (mm)

    Weight: 0.30 (kg)

  • QM2-2P2G2T

    QM2-2P2G2T

    QNAP QM2 series, 2 x PCIe 2280 M.2 SSD slots, PCIe Gen3 x 4 , 2 x  Intel I225LM 2.5GbE NBASE-T port

    Dimension (L × W × H): 152.65 × 20.6 × 68.9 (mm)

    Weight: 0.29 (kg)

  • QM2-2S-220A

    QM2-2S-220A

    Dual M.2 22110/2280 SATA SSD expansion card;

    Dimension (L × W × H): 147.15 × 20.6 × 68.9 (mm)

    Weight: 0.30 (kg)

  • QXG-10G1T

    QXG-10G1T

    Single-port (10Gbase-T) 10GbE network expansion card, PCIe Gen3 x4, Low-profile bracket pre-loaded, Low-profile flat and Full-height are bundled

    Dimension (L × W × H): 143 × 193 × 52 (mm)

    Weight: 0.53 (kg)

  • QXG-10G2T

    QXG-10G2T

    Dual-port 10GBASE-T 10Gb network expansion card; low-profile formfactor; PCIe Gen3 x4

    Dimension (L × W × H): 54.5 × 39.5 × 18 (mm)

    Weight: 0.24 (kg)

  • QXG-10G2TB

    QXG-10G2TB (EOL)

    Dual-port 10GbE Network Adaptor, Aquantia AQC113C

    Dimension (L × W × H): 104.7 × 16.1 × 68.9 (mm)

    Weight: 0.28 (kg)

  • QXG-2G1T-I225

    QXG-2G1T-I225

    Single port 2.5GbE 4-speed Network card

    Dimension (L × W × H): 67.3 × 68.9 × 25.2 (mm)

    Weight: 0.19 (kg)

  • QXG-2G2T-I225

    QXG-2G2T-I225

    Dual port 2.5GbE 4-speed Network card

    Dimension (L × W × H): 81.3 × 68.9 × 25.2 (mm)

    Weight: 0.23 (kg)

  • QXG-2G4T-I225

    QXG-2G4T-I225

    Quad port 2.5GbE 4-speed Network card

    Dimension (L × W × H): 104.6 × 68.9 × 24.1 (mm)

    Weight: 0.24 (kg)

  • QXG-5G1T-111C

    QXG-5G1T-111C

    QNAP 5GbE multi-Gig expansion card;Aquantia AQC111C;Gen2 x 1;low profile

    Dimension (L × W × H): 145 × 190 × 52 (mm)

    Weight: 0.20 (kg)

  • QXG-5G2T-111C

    QXG-5G2T-111C

    QNAP dual port 5GbE multi-Gig expansion card;Aquantia AQC111C;Gen2 x 2;low profile

    Dimension (L × W × H): 145 × 190 × 52 (mm)

    Weight: 0.20 (kg)

  • QXG-5G4T-111C

    QXG-5G4T-111C

    QNAP Quad port 5GbE multi-Gig expansion card;Aquantia AQC111C;Gen2 x 4;low profile

    Dimension (L × W × H): 145 × 190 × 52 (mm)

    Weight: 0.23 (kg)

  • QXP-10G2U3A

    QXP-10G2U3A

    Dual-port USB 3.2 Gen 2 10Gbps Type-A PCIe Gen 3 x2 Card, Asmedia ASM3142

    Dimension (L × W × H): 89.6 × 68.9 × 14 (mm)

    Weight: 0.09 (kg)

Choose specification

      Show more Less
      Choose Your Country or Region
      open menu
      back to top