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Network Storage TS-855eU
The TS-855eU is a 2U shallow rackmount NAS with 8-core computing power optimized for virtualization. The TS-855eU 2.5GbE shallow network storage is designed for flexible IT deployment and complex virtualization applications, easily fitting into a compact rack in an office or audiovisual room. Equipped with an 8-core Intel processor, the TS-855eU delivers outstanding performance and computational advantages, providing fast data access, backup/recovery, file server, and virtualization applications. Operating out of the box with the QTS operating system, the TS-855eU can be switched to use the QuTS hero operating system based on ZFS depending on your requirements. The TS-855eU will be available and supported by QNAP for an extended period (until 2027), making it ideal for enterprises that require appropriate NAS models deployed for long-term projects.
Compact, Space-Saving
The TS-855eU has a depth of only 11.7 inches (297.4 mm) and is perfect for installation in a compact rack or in areas with a lot of cabling.
Flexible Storage Expansion
Connect TL-R1620Sep-RP / TL-R1220Sep-RP JBOD devices to the TS-855eU to add up to 48 additional drives as your business grows.
Dual 2.5GbE Connectivity
Equipped with two 2.5GbE ports (backward compatible with 1G/100M). Supports port aggregation for enhanced performance and redundancy.
PCIe Expandability
Features two PCIe Gen 3 slots for installing 5/10/25GbE network cards, QM2 cards, or Fibre Channel cards.
Optimized SSD Performance
Two M.2 PCIe NVMe slots provide SSD caching, SSD storage pools, or automatic Qtier multi-tiered storage.
Virtual Machines and Containers
Centralize virtualization storage and host multiple virtual machines and container applications. The 2U short design allows for a size reduction of up to 38%. The rackmount TS-855eU has a shallow depth of just 11.7 inches (297.4 mm), making it an excellent choice for small racks, wall-mounted AV racks, and network racks. The space saved by the shallow design can be reserved for cabling or ventilation. The TS-855eU is compact for flexible deployment and is particularly suitable for compact offices, audiovisual rooms, and video surveillance systems.
Unmatched Performance
The 8-core processor with up to 64 GB of memory and Intel QuickAssist technology is designed for heavy business workloads, providing exceptional 8-core performance for multitasking. AES-NI encryption and Intel QuickAssist Technology (QAT) are supported to offload resource-intensive compression and enhance IPsec/SSL cryptography performance. Supports up to 64 GB of ECC memory. Combining high performance, reliability, and capacity, the TS-855eU is a versatile budget-friendly data storage solution for various applications such as file servers, high-speed storage/backup/recovery, and virtualization.
Processor
8-core Intel Atom C5125 processor with a clock speed of 2.8 GHz, 8 GB SODIMM DDR4 memory (1 x 8 GB).
Memory
8 GB DDR4 memory (up to 64 GB, 2x 32 GB).
Transmission Efficiency
Virtualization certifications supported by TS-855eU
Available 2.5GbE meets high bandwidth requirements
With two 2.5GbE RJ45 LAN ports (backward compatible with 1G/100M), the TS-855eU allows businesses to easily upgrade network speeds from 1 Gbps to 2.5 Gbps using existing CAT5e cables. Port aggregation and failover also enhance applications that require higher bandwidth and reliability, including virtualization, large file transfers, high-speed backup/recovery, and real-time applications. QNAP also offers a variety of managed/unmanaged 2.5GbE/10GbE switches, helping organizations implement high-speed, secure, and scalable network environments without exceeding budget.
M.2 PCIe Slots for SSD Caching and AI-based Image Recognition
The TS-855eU comes with two M.2 PCIe Gen 3 slots that allow you to install M.2 2280 NVMe SSDs or Edge TPU (sold separately) to enhance NAS performance.
SSD Caching
Set up SSD caching with M.2 SSDs for optimal input/output and lower latency without occupying any 3.5-inch drive bays.
Automatic Tiering
Qtier technology enables the TS-855eU to automatically distribute data across all installed storage devices for continuous optimization of storage efficiency.
Faster Image Recognition with Edge TPU
The Coral M.2 Accelerator with Edge TPU is an available solution for utilizing AI acceleration for faster image recognition in NAS applications.
Broad I/O Capabilities with PCIe Expansion
The TS-855eU has two PCIe Gen 3 x4 slots that allow you to install various expansion cards to enhance application capabilities.
5/10/25GbE Network Card
Ensure lightning-fast bandwidth for bandwidth-intensive tasks (virtualization, bulk data transfer, and fast backup/recovery).
QM2 Card
Add M.2 SSDs or 2.5GbE/10GbE connectivity to the TS-855eU to optimize performance and bandwidth.
SAS/SATA Memory Expansion Cards
Connect the TS-855eU to 12 Gbps SAS or 6 Gbps SATA expansion units for petabyte storage capacity.
Create an Affordable Fibre Channel SAN Environment
Common Fibre Channel Storage Area Networks (SAN) devices are often expensive. By installing QNAP's dual-port Fibre Channel 16/32 Gbps expansion cards in the TS-855eU, you can achieve more economical options for adding NAS to a SAN environment. You can set up a Fibre Channel target using the iSCSI & Fibre Channel application. Additionally, LUN Masking and Port Binding features provide an extra layer of data security.
Simple Backup
Excellent hardware performance with a universal backup solution that accelerates backup and recovery tasks.
PC and Mac Backup
Sync computer files with the NAS using Qsync. The TS-855eU also supports Time Machine for Mac computers.
License-Free VM Backup
Backup multiple VMware and Hyper-V virtual machines using Hyper Data Protector.
File Server Backup
Supports multiple protocols such as Rsync, FTP, and CIFS for backing up various file servers.
SaaS Data Backup Solutions
Use Boxafe for easy backup of Google Workspace data and Microsoft 365 business accounts.
Backup Google Photos and WordPress
The exclusive MARS service allows you to back up databases and files from Google Photos and WordPress to the NAS.
Backup Data from One NAS to Another NAS
Backup data from a local NAS to another remote NAS using Hybrid Backup Sync. You can also perform backup deduplication with QuDedup to save time and storage space.
Backup NAS Data to the Cloud
Hybrid Backup Sync supports major public cloud services for backing up or syncing data from the NAS to the cloud.
Cloud Storage Gateway
VJBOD Cloud connects object cloud storage (Bucket) and backs up data from the NAS to the cloud.
NAS Snapshot Backup
Use Snapshot Replica to back up NAS snapshots to another NAS and restore as needed.
Instant Snapshots with Multiple Versions Reduce Ransomware Threats
The TS-855eU supports block-based snapshots that record the system state at any time. This helps protect data that can be restored to a specific point in time, significantly reducing the threat of ransomware.
Volume and LUN Snapshots
Take snapshots in seconds and revert entire volumes/LUNs to a specific point in time to prevent loss of important data.
Instant Snapshot Recovery
Snapshot contents can be quickly restored to the local NAS or by folders/files to local/remote NAS or cloud storage. You can also conveniently browse and restore snapshots from the client side.
Snapshot Backup
Multiply data protection by creating backups of snapshot files! Replicate volume/LUN snapshots in the TS-855eU to a remote NAS (snapshot replication), copying only the changes made. This helps save time and bandwidth and can be run manually or on a schedule.
Reliable, High-Performance Storage for Virtualization
The TS-855eU supports block iSCSI LUN as a reliable, high-performance, and affordable data storage solution for core virtualization environments. It supports VMware VAAI and Microsoft ODX to enhance performance by offloading server load for the ESXi and Hyper-V servers, respectively.
Comprehensive Solution for Hosting Virtual Machines and Containers
By running multiple virtual machines and containers on the TS-855eU, you can deploy multi-user environments and applications to improve management efficiency and reduce hardware costs. Combined with the Network & Virtual Switch application, which enhances compatibility between virtual machines, containers, QNAP NAS, and other physical devices on the network, you can flexibly allocate physical and virtual network resources for simplified 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). Enterprises can run virtualized server applications on a single NAS without the need for additional physical servers.
Container Station
Experience lightweight Docker, LXD, and Kata Containers virtualization technologies, download applications from the built-in Docker Hub Registry, import/export containers, and create numerous microservices.
Linux Station
Run Linux applications (including applications from the App Center) directly on the NAS and access the Linux desktop remotely via a web browser. The open-source Linux platform is also ideal for Internet of Things development.
Single Root I/O Virtualization (SR-IOV)
By installing an SR-IOV compatible PCIe SmartNIC in the TS-855eU, you can allocate bandwidth resources from the physical network card directly to virtual machines, enhancing network efficiency and reducing CPU load.
Virtual NAS QuTScloud
QuTScloud is a virtual device based on the QTS operating system. Enterprises can quickly launch QuTScloud on hypervisors, including Linux KVM, Microsoft Hyper-V, and VMware ESXi, to gain advanced NAS features without requiring additional NAS hardware.
Comprehensive Security and Privilege Settings
The TS-855eU boots with flexible privilege settings and security measures. In addition to IP address blocking, QNAP Authenticator, and HTTPS connections, there are other applications that help ensure optimal protection of the NAS against threats such as malware and hackers.
myQNAPcloud Provides Secure Remote Access
myQNAPcloud offers convenient access to the TS-855eU over the Internet without any complicated DDNS settings. To ensure the security of the remote access service, myQNAPcloud strengthens SSL certificate keys to 2048 bits.
Simplified Privilege Settings
The TS-855eU supports comprehensive access rights settings for shared folders, Azure Active Directory (Azure AD DS) domain services, LDAP, and Windows ACL, helping IT personnel effectively 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 geographic location for enhanced NAS network security.
Excellent Security with QVPN
A Virtual Private Network (VPN) provides secure access to network resources and services over public networks. QVPN supports creating a VPN client, using the TS-855eU as a VPN server, and the WireGuard® VPN service with an easy-to-use interface for setting up secure connections.
QuWAN SD-WAN
To facilitate digital transformation, multi-site expansion, and remote work, QuWAN SD-WAN helps automatically aggregate multi-site VPNs. It supports IPsec encryption and cloud-oriented management, providing a secure multi-site network, including QNAP NAS and VMware ESXi platforms.
Security Advisor
A security portal for the TS-855eU to check for vulnerabilities and provide recommendations for enhancing NAS security. It also integrates antivirus and anti-malware software for scanning.
Malware Removal
Regularly scan the TS-855eU using the latest malware definitions. If infected files are detected, they will be immediately removed to ensure the security of NAS data.
Remote Access with TeamViewer
The TeamViewer application provides remote management and connection to multiple NAS devices from Windows PCs with unparalleled security, while also enhancing IT efficiency and end-user productivity.
The Best File Storage and Collaboration Center
The TS-855eU integrates multifunctional applications for storing, managing, syncing, searching, and archiving files. It supports SMB/CIFS, AFP, and NFS protocols for simplified file sharing between Windows, Mac, and Linux/UNIX, making it the most intelligent NAS solution for professional file management.
File Station
Manage, access, and share all files in the TS-855eU and view snapshot files—all from your web browser. You can also easily mount remote NAS folders and cloud storage.
Qsync
Make any file uploaded to the TS-855eU accessible to linked devices such as computers, laptops, and mobile devices. You can sync shared folders and group folders for shared access to group files, enhancing the flexibility of group projects and collaboration.
Qsirch
QNAP's powerful search tool, similar to Google, helps quickly find images, music, videos, documents, and emails by keywords, color, and other search criteria. It also supports Qfiling for performing one-time or automated archiving tasks based on your search criteria.
Qfiling
Automate file organization—just classify files, set a schedule, and Qfiling will do the rest. Qfiling also provides intelligent recycling that instantly moves filtered files to the trash.
Shallow Depth NAS for Video Surveillance - The Ideal Solution for Enterprise Surveillance
The shallow TS-855eU is perfect for wall-mounted rack cabinets or space-constrained IT rooms, allowing production lines to maximize space. Enterprises can benefit from the TS-855eU as a versatile NAS for video surveillance, designed with excellent hardware performance and integrated QNAP video surveillance software, while also taking advantage of its large capacity, high expandability, and high transmission efficiency to create the most economical and reliable surveillance system for manufacturing facilities and factories.
Intelligent Video Surveillance Solution for 24/7 Security
QVR Elite is an intelligent video surveillance solution from QNAP based on a subscription model, allowing you to easily create a video surveillance system with lower total cost of ownership and higher scalability. Recordings are stored as MP4 files, enabling playback on virtually any device. QVR Elite also integrates QNAP's AI-based solutions for intelligent facial recognition for retail systems and door access with QNAP NAS. You can organize a dedicated independent space for surveillance data storage on the TS-855eU and enjoy simplified camera management, storage allocation, viewing, and real-time playback from the camera.
Flexible and Cost-Effective Storage Expansion
QNAP offers simple ways to increase storage capacity. Here are several ways to expand the TS-855eU's storage as needed for data storage and business growth.
Attach QNAP Expansion Enclosures
Connect expansion enclosures to the TS-855eU and manage NAS storage expansion using the convenient Storage & Snapshots Manager application.
Connect Cloud Storage or Remote File Servers
Set up cloud storage or remote file servers to expand the TS-855eU's capacity while centrally managing files across NAS, cloud storage, and remote devices.
Transition to a New NAS
Install existing NAS hard drives into a larger QNAP NAS and retain all existing data and configurations.
Increase RAID Capacity
Perform "hot" swaps of smaller capacity drives for larger capacity drives to increase NAS capacity as your business grows.
Additional Applications to Enhance Performance
The TS-855eU provides an App Center that contains multifunctional applications to extend your NAS capabilities!
QuObjects
Run a high-performance S3-compatible development environment on your TS-855eU to streamline service development workflows from testing to production. You can also move cold data from the cloud to local QuObjects to reduce cloud storage costs.
Notification Center
Consolidates all system events, alerts, and notifications for convenient and straightforward NAS management, always keeping you informed about the status of your NAS.
QuFTP
The TS-855eU can operate as an FTP server with SSL/TLS encryption, QoS bandwidth control, and permission settings for efficient and secure transfer of large volumes of data. An FTP client is also supported.
Check the Health of Your Hard Drives
Hard drives are the heart of your NAS, and ensuring their long-term functionality and reliability is essential. QNAP provides various methods and tools to help you monitor hard drive status, ensuring you can make proactive decisions to protect your data and files.
SMART and Block Scanning
If any SMART values are reported as abnormal or bad blocks are detected, you can take timely action and replace drives before potential data loss occurs.
DADA Drive Analyzer uses cloud AI ULINK to predict the expected lifespan of drives, helping you plan 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 enhanced with effective prevention, intervention, and recovery options.
Transition to QuTS hero for Optimal Data Integrity and Reliability
The TS-855eU also supports QuTS hero—the QNAP NAS operating system based on ZFS. Providing end-to-end data integrity, data reduction (deduplication, compression, and on-the-fly data compression), and more, QuTS hero utilizes additional system resources to create an optimal environment for protecting business data.
QTS
Suitable for file synchronization between teams and hybrid HDD-SSD storage applications.
QuTS hero
Features high-reliability protection and data reduction, and is optimized for SSD-based applications.
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