3.5-inch SATA hard disk drives
2.5-inch SATA hard disk drives
2.5-inch SATA solid state drives
E1.S SSD
M.2 PCIe 2280 SSD
Hard Disk Drives Included in the Pack
12 x 3.5-inch SATA HDD 24 TB
Hot-swappable
✔
M.2 Slot
4 x M.2 2280 (PCIe Gen 3 x 2)
Supported by E1.S slots with M.2 adapter
SSD Cache Acceleration Support
✔
SR-IOV
✔
2.5 Gigabit Ethernet Port (2.5G/1G/100M)
2 (2.5G/1G/100M/10M)
5 Gigabit Ethernet Port (5G/2.5G/1G/100M)
Optional via a network adapter
10 Gigabit Ethernet Port
1 x 10GBASE-T
25 Gigabit Ethernet Port
Optional via a network adapter
Wake on LAN (WOL)
✔
Only the 2.5GbE port
Jumbo Frame
✔
PCIe Slot
2 x PCIe Gen3 (x4)
Slot 1: PCIe Gen 3 (x4)
Slot 2: PCIe Gen 3 (x4)
Card dimensions for PCIe slot 1: 77 x 20 x 220 mm ( H x W x D)
Card dimensions for PCIe slot 2: 77 x 20 x 220 mm ( H x W x D)
USB 3.2 Gen 1 port
2
HDMI™ Output
Optional via a PCIe graphics card
Form Factor
3U Short Depth Rackmount
LED Indicators
HDD 1-12, SSD 1~4, Status, LAN, USB, Power
Buttons
Power, Reset
Dimensions (HxWxD)
133 × 432.4 × 297 mm
Weight (Net)
10.77 kg
Operating Temperature
0 – 40 °C (32°F – 104°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
Minimum 300W (x2) PSU, 100-240VAC
Power Consumption: Disk Standby Mode
112.42 W
Power Consumption: Operating Mode, Typical
121.7 W
Tested fully populated with WD10EFRX hard drives.
Fan
3 x 80mm, 12VDC
System Warning
Buzzer
Standard Warranty
3
Max. Number of Concurrent Connections (CIFS) – with Max. Memory
2500
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.
TS-h1655XeU-RP
Short-depth, high-performance 10GbE ZFS NAS – Hybrid storage for virtualization & demanding workloads
The TS-h1655XeU-RP 10GbE NAS packs powerful performance into a compact 3U short-depth chassis (29.6 cm/11.6 inches), perfect for space-constrained server rooms. Powered by an Intel® 8-core processor and featuring 12x 3.5-inch SATA bays with 4x E1.S/M.2 PCIe NVMe slots, the TS-h1655XeU-RP delivers flexible hybrid storage for demanding workloads such as virtualization (VMware® and Hyper-V®) and data-intensive applications. Moreover, the redundant power supplies help ensure system reliability for dependable operations.
Unique E1.S/M.2 slots
Four E1.S/M.2 NVMe PCIe slots enable SSD caching or 10GbE expansion to uplevel system performance.
QuTS hero operating system
ZFS-powered for data integrity with self-healing, WORM, deduplication, and SnapSync disaster recovery.
Built-in 2.5/10GbE, upgradeable to 25GbE
Supports Port Trunking with network switches for higher bandwidth, and expanded device connectivity.
Scalable storage expansion
Connect QNAP JBODs to cost-efficiently expand storage for backup, virtualization, and more.
PCIe Gen 3 slots
Dual PCIe slots support 5/10/25GbE NICs, QM2 cards, or Fibre Channel cards for enhanced networking and performance.
38% Space reduction with a compact 3U chassis
With a reduced depth of 29.6 cm (11.65 inches), the TS-h1655XeU-RP is ideal for space-constrained environments like small business offices, multimedia rooms, and security monitoring systems. This space-saving form factor allows for more flexible deployment, and leaves room in standard racks for cable organization or airflow optimization.
Powerful Intel® Atom® 8-Core processor, expandable to 64 GB RAM
CPU
Intel® Atom® C5125 8-core 2.8 GHz processor
Memory
8 GB DDR4 non-ECC memory, expandable up to 64 GB (2 x 32 GB).
Supports ECC memory, but non-ECC and ECC memory cannot be mixed.
Intel® QAT Acceleration
Boosts data compression/decompression and significantly enhances SSL/IPsec encryption and decryption performance.
AES-NI Encryption
Delivers outstanding data read/write speeds even during AES 256-bit encryption.
Transmission efficiency
2 x 2.5 SMB Sequential Throughput (1MB)
Read
588MB/s
Write
591MB/s
4 x 25 GbE SMB Sequential Throughput (1MB)
Read
4926MB/s
Write
2552MB/s
Tested in QNAP Labs. Figures may vary by environment.
Test Environment:
NAS : TS-h1655XeU-RP
OS:QuTS hero h5.2.4
Volume: 12 x Samsung 870 EVO 1TB, RAID 5, thick volume
PC: 3 host with QNAP QXG-25G2SF-CX4, 32G RAM, Windows Server 2019
IOmeter: RAM*4, 30-sec ramp up time, 3-min seq. run time, 1 workers, 32-outstanding
Rear-mounted E1.S/M.2 PCIe NVMe expansion slots
Equipped with four built-in E1.S/M.2 PCIe NVMe Gen 3 slots, the TS-h1655XeU-RP supports hot swapping and flexible configuration for optimal NAS performance.
Enable SSD caching
Install E1.S/M.2 PCIe NVMe SSDs and enable SSD caching to accelerate random read/write performance (IOPS) and reduce latency.
Use E1.S/M.2 PCIe NVMe SSD storage pools as system drives for QuTS hero, greatly improving metadata management and database efficiency for overall system performance.
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.
Before installing a 5.9mm E1.S SSD, you must remove the built-in E1.S to M.2 SSD adapter from the slot.
Before installing a 9.5/15mm E1.S SSD, you must purchase the TRAY-E1S-01 drive tray for installation.
Native 2.5GbE & 10GbE performance, with 25GbE scalability
The TS-h1655XeU-RP delivers fast and reliable connectivity for high-bandwidth applications like large-scale file access, backup/restore, and virtualization.
Built-in 2.5GbE & 10GbE
Dual 2.5GbE and a single 10GbE port provide higher network performance — surpassing 1GbE-only competitor NAS.
Go beyond 10GbE
Install a QXG-ES10G1T E1.S-to-10GbE network module via the E1.S/M.2 PCIe NVMe slots, and enable Port Trunking for improved speed and failover protection.
Upgrade to 25GbE
Use the PCIe Gen 3 slots to install a QNAP 25GbE network card, effortlessly boosting enterprise-level network performance.
Future-proof your storage with JBOD scalability
As file volumes and storage needs grow, the TS-h1655XeU-RP can connect up to two QNAP 24-bay TL-R2400PES-RP JBOD expansion units, adding up to 48 additional hard drives and providing exceptional storage capacity.
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. Explore the QuTS hero operating system Check out QuTS hero’s latest features
Automatic repair of corrupted data
ZFS supports self-healing for silent data corruption, automatically detecting damaged data to ensure data integrity.
Data immutability
Defend against ransomware by creating a WORM (Write Once, Read Many) folder to prevent data from being overwritten, modified, or deleted, while also enabling immutable backups.
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.
All-in-one backup solution
The TS-h1655XeU-RP 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 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. 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
Run VMs and Containers
With no additional fees, you can run multiple VMs of different OS on TS-h1655XeU-RP. This allows you to deploy multi-tenant environments and applications to increase management efficiency and save hardware costs.
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.
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 TS-h1655XeU-RP supports VMware® vSphere™, Microsoft® Hyper-V®, and Citrix® XenServer™ mainstream virtualization platforms. With the QNAP CSI Plugin for Kubernetes®, the TS-h1655XeU-RP is also ideal block storage for Kubernetes® containerized apps. Check QNAP NAS with Support for Virtualization application
Object storage certified as Veeam® Ready
Use the TS-h1655XeU-RP with QuObjects as the premier destination for S3 object storage and backup. QuObjects supports Object Lock, validated as Veeam® Ready – Object with Immutability. Learn More
Surveillance NAS solution for Business
Surveillance NAS is an easy-to-deploy and cost-effective all-in-one smart surveillance solution. Integrating AI analysis, high-availability failover video surveillance and CMS, Surveillance NAS satisfies professional surveillance demands in all kinds of surveillance scenarios. Learn more about QVR Surveillance NAS solution
Simplifying surveillance structure
An all-in-one surveillance solution integrating NVR and VMS. Record, analyze and manage videos on surveillance NAS to boost deployment and maintenance efficiency.
QNAP offers a one-stop QNAP PoE switch solution designed for connecting TS-h1655XeU-RP NAS and IP cameras to simplify network and power cabling.
Smart AI surveillance
Surveillance NAS performs AI image identification, analysis and search on the NVR server side, saving you from having to purchase expensive AI cameras.
Bolster business data security with resilience from all aspects
Connection
Enterprise private network connection
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.
Filtering unauthorized access
Implement QuFirewall to allow/deny specific IP addresses and regions, preventing unauthorized access and cyber threats.
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.
Extend hardware warranty up to 5 years
The TS-h1655XeU-RP 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.
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