QNAP TS-855eU 8-Bay 2U Short-Depth Rackmount NAS/iSCSI IP-SAN Enclosure

SKU: QNTS855U8GUS MFR: TS-855EU-8G-US
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Key Features

  • Harness the power of this 8-bay NAS enclosure for centralized data storage and access.
  • Ensure data security with advanced RAID configurations and robust encryption features.
  • Experience fast performance with the Intel Atom C5125 processor, boosting productivity.
  • Enjoy easy setup and management with QNAP's intuitive operating system, QuTS hero h5.1.0.
  • Access your files remotely from anywhere, ensuring seamless collaboration and productivity.
  • Rely on this NAS for reliable backup solutions, safeguarding your critical data from loss.
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$209.99

3 Year

$299.99

4 Year

$359.99

Available to U.S. customers only.

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Select a plan in the Add Protection section above and purchase with this product by clicking “Add to Cart”.

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TRUSTED PROTECTION PLANS, EXCEPTIONAL SERVICE.

Invest In Your Gear and Peace Of Mind!

Accidents happen. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failures, and more.

Repair or Replacement

Repair or Replacement

If we can’t fix it, we’ll replace it at no additional cost.

Accidental Damage

Accidental Damage

Protect your product from drops, spills, and more.

Peace of Mind

Peace of Mind

Enjoy your gear without fear. We have you covered!

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Failure Protection

When regular use of your product over time results in mechanical or electrical failure.

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Customer-Focused Support

Our claims process is simple & easy and our customer service team is happy to help.

Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for international or U.S. territories purchases. Plans on open box items do not cover pre-existing damage.
Adorama Protect plans are available for ABS clients. If you have any questions or require assistanse, please call 800-223-2500

QNAP TS-855eU Specifications

Hardware

Hardware

Jump to...
  • CPU

    Intel Atom C5125 8-core processor, 2.8GHz

  • CPU Architecture

    64-bit x86

  • Floating Point Unit

    Yes

  • Encryption Engine

    Yes (AES-NI)

  • System Memory

    8GB non-ECC SODIMM DDR4 (1x 8GB)

  • Maximum Memory

    64GB (2x 32GB)

  • Memory Slot

    2x SODIMM DDR4
    Support ECC memory

  • Flash Memory

    5GB (Dual boot OS protection)

  • Drive Bay

    8x 3.5" SATA 6Gb/s, 3Gb/s

  • Drive Compatibility

    3.5" SATA hard disk drives
    2.5" SATA hard disk drives
    2.5" SATA solid state drives

  • Hot-swappable

    Yes

  • M.2 Slot

    2x M.2 2280 (PCIe Gen 3 x4)

  • SSD Cache Acceleration Support

    Yes

  • 2.5 Gigabit Ethernet Port

    2 (2.5G/1G/100M/10M) (2.5G/1G/100M)

  • 5 Gigabit Ethernet Port

    Optional via a network adapter (5G/2.5G/1G/100M)

  • 10 Gigabit Ethernet Port

    Optional via a network adapter

  • 25 Gigabit Ethernet Port

    Optional via a network adapter

  • Wake on LAN (WOL)

    Yes

  • Jumbo Frame

    Yes

  • PCIe Slot

    2x PCIe Gen3 (x4)
    Slot 1: PCIe Gen 3 (x4)
    Slot 2: PCIe Gen 3 (x4)

  • USB 3.2 Gen 1 Port

    4

  • HDMI Output

    Optional via a PCIe graphics card

  • Form Factor

    2U Short Depth Rackmount

  • LED Indicators

    HDD 1-8, Status, LAN, USB, Power

  • Buttons

    Power, Reset

  • Operating Temperature

    32 Degree F - 104 Degree F (0 - 40 Degree C)

  • Storage Temperature

    -4 Degree F - 158 Degree F (-20 - 70 Degree C)

  • Relative Humidity

    5-95% RH non-condensing, wet bulb: 80.6 Degree F (27 Degree C)

  • Power Supply Unit

    250W PSU, 100 - 240V

  • Power Consumption

    49.799W (HDD Sleep Mode)
    79.113W (Operating Mode, Typical)

  • Fan

    3x 60mm, 12VDC

  • System Warning

    Buzzer

  • Max. Number of Concurrent Connections

    With Max. Memory: 2500 (CIFS)

  • Dimensions (H x W x D)

    3.49 x 17.01 x 11.71" (8.8 x 43.2 x 29.7mm)

  • Weight

    16.78 lbs (7.6kg)

Software

Jump to...
  • Operating System

    QuTS hero h5.1.0

    QTS 5.1.0

  • Supported Client Operating Systems

    Apple Mac OS 10.10 or later
    Ubuntu 14.04, CentOS 7, RHEL 6.6, SUSE 12 or later Linux
    IBM AIX 7, Solaris 10 or later UNIX
    Microsoft Windows 7, 8, 10 and 11
    Microsoft Windows Server 2008 R2, 2012, 2012 R2, 2016, 2019 and 2022

  • Supported Browsers

    Apple Safari
    Google Chrome
    Microsoft Edge
    Mozilla Firefox (latest version)

  • Supported Languages

    Chinese (Traditional & Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, and Turkish

  • Storage Pool

    Yes

  • SED Storage Pool

    Yes

  • Maximum Pool size

    QuTS hero h5.1.0: 5PB

    QTS 5.1.0: 308TB

  • Maximum number of storage pool

    128

  • Volume Type

    Thick, Thin, Static (Only in QTS 5.1.0)

  • Maximum volume size

    250TB (Only in QTS 5.1.0)

  • Maximum number of volume

    128 (Only in QTS 5.1.0)

  • Shared Folder Type

    Thick, Thin (Only in QuTS hero h5.1.0)

  • Maximum shared folder size

    QuTS hero h5.1.0: 5PB

    QTS 5.1.0: 250TB

  • Maximum number of shared folder

    QuTS hero h5.1.0: 128

    QTS 5.1.0: 512

  • JBOD Expansion

    Yes

  • VJBOD / VJBOD Cloud

    Yes

  • iSCSI Service

    Yes

  • Fiber Channel Service

    Yes

  • LUN Type

    Thick, Thin

  • File-based

    iSCSI LUN (Only in QTS 5.1.0)

  • Block-based iSCSI LUN

    Yes

  • Maximum LUN size

    QuTS hero h5.1.0: 1024TB

    QTS 5.1.0: 250TB

  • Maximum number of targets LUN

    128

  • LUN feature

    LUN Mapping (LUN can be moved between iSCSI and FC)
    LUN Masking
    WWPN Aliases Import/Export
    FC Port Group
    FC Port Binding
    Multipath IO (MPIO)
    Online LUN capacity expansion
    LUN snapshot
    LUN snapshot replication and clone
    (Only in QTS 5.1.0)

  • Auto Tiering

    Yes (Only in QTS 5.1.0)

  • RAID Type

    QuTS hero h5.1.0
    8-bay (and more): Single, RAID 0 (Stripe), 1, 5, 6, 10, 50, 60, Triple Mirror, Triple Parity
    6-bay: Single, RAID 0 (Stripe), 1, 5, 6, 10, 50, Triple Mirror, Triple Parity
    4-bay: Single, RAID 0 (Stripe), 1, 5, 6, 10, Triple Mirror, Triple Parity
    3-bay: Single, RAID 0 (Stripe), 1, 5, Triple Mirror, Triple Parity
    2-bay: Single, RAID 0 (Stripe), 1

  • RAID Type (Contd.)

    QTS 5.1.0
    8-bay (and more): JBOD, Single, RAID 0, 1, 5, 6, 10, 50, 60
    6-bay: JBOD, Single, RAID 0, 1, 5, 6, 10, 50
    4-bay: JBOD, Single, RAID 0, 1, 5, 6, 10
    2-bay: JBOD, Single, RAID 0, 1

  • RAID Group

    Yes

  • RAID Level Migration

    Yes (Only in QTS 5.1.0)

  • RAID Expansion

    Yes (by replacing bigger Disks)

  • Storage Pool Expansion

    Yes (by adding RAID Group)

  • RAID Hot Spare

    Global, Local

  • RAID Sync/Rebuild/Scrubbing

    Yes

  • End-to-End data integrity

    Yes

  • Silent error detection and self-healing

    Yes

  • Internal drive

    QuTS hero h5.1.0: ZFS

    QTS 5.1.0: EXT4

  • External drive

    EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT

  • Disk, Enclosure Locate

    Yes

  • Disk S.M.A.R.T. Scan

    Yes

  • Disk S.M.A.R.T. Data Migration

    Yes

  • Ironwolf Health Management

    Yes

  • Secure Erase

    Yes

  • SSD Trim

    Yes

  • SSD Life Estimation

    Yes

  • Disk Roaming

    Yes

  • Disk Standby

    Yes

  • Volume Snapshot

    Yes (Only in QuTS hero h5.1.0)

  • Shared Folder Snapshot

    Yes (Only in QTS 5.1.0)

  • LUN Snapshot

    Yes

  • Minimum Snapshot Interval

    QuTS hero h5.1.0: 1 minutes

    QuTS hero h5.1.0: 5 minutes

  • Snapshot Retention Policy

    Yes

  • Self-serve Snapshot Recovery

    Yes

  • Application Consisted Snapshot

    Yes

  • Snapshot Full Clone

    Yes

  • Snapshot Instant Clone

    Yes

  • Snapshot Replica / Vault

    Yes

  • SSD read-only Cache

    Yes

  • SSD read & write log cache

    Yes

  • SSD write-only cache

    Yes (Only in QTS 5.1.0)

  • SSD dedicated ZIL cache

    Yes (Only in QuTS hero h5.1.0)

  • SSD Cache RAID

    QuTS hero h5.1.0: 0, 1, 10 (journal)

    QTS 5.1.0: 0, 1, 5, 6, 10

  • SSD profiling tool

    Yes (Only in QTS 5.1.0)

  • External Device Management

    Yes

  • Mount Smart Phone (MTP)

    Yes

  • External RAID Device (QNAP so on)

    Management (External Device Mode)
    Management (NAS Mode)

  • File Server

    File sharing across Windows, Mac, and Linux/UNIX
    Microsoft networking (CIFS/SMB)
    Apple networking (AFP)
    NFS version 3/4 services

  • FTP Server

    QuTS hero h5.1.0: FTP, SFTP and TFTP protocols
    FTP over SSL/TLS (explicit FTPS)
    FXP support

    QTS 5.1.0: QuFTP
    FTP, SFTP and TFTP protocols
    FTP over SSL/TLS (explicit FTPS)
    FXP support

  • Maximum FTP connection

    1024

  • Shared Folder Data Compression

    Yes (Only in QuTS hero h5.1.0)

  • Shared Folder Data Deduplication

    Yes (Only in QuTS hero h5.1.0)

  • Shared Folder WORM

    Yes (Only in QuTS hero h5.1.0)

  • File Station (Web)

    Yes

  • Object Storage

    Yes

  • Local user account

    QuTS hero h5.1.0: 16000

    QTS 5.1.0: 4,096

  • Local group account

    512

  • Domain user/group account

    200000

  • Domain Security

    Yes

  • Domain Controller

    Yes

  • Shared folder permission

    Yes

  • Advanced folder permission

    (AFP, CIFS/SMB, FTP, and File Station) (Only in QTS 5.1.0)

  • Windows ACL

    QuTS hero h5.1.0: Yes

    QTS 5.1.0: Yes (CIFS/SMB)

  • User quota

    Yes

  • Group quota

    Yes

  • Folder quota

    QuTS hero h5.1.0: Yes

    QTS 5.1.0: Yes, (Snapshot shared folder)

  • Home folder

    Yes

  • Resource Monitor

    Yes

  • SNMP

    V2, V3

  • Network recycle bin

    Recover files deleted using AFP, CIFS/SMB, and File Station
    Automatic cleanup and file type filter

  • System Log & Notification Center

    Log recording: 3,000 event per second

  • Smart Fan

    Yes

  • Schedule on/off

    Yes

  • Internet protocol

    IPv4, IPv6

  • Virtual Switch

    Yes

  • Port trunking

    Yes, (7 modes)

  • VLAN

    Yes

  • DHCP Server

    Yes

  • DDNS

    Yes (Dynamic Domain Name Service)

  • Network access protection

    SSH, Telnet, HTTP(S), FTP, CIFS/SMB, and AFP (with auto-blocking)

  • Security Counselor

    Yes

  • Malware Remover

    Yes

  • AES 256-bit Volume Encryption

    Yes (validated by FIPS 140-2 CAVP)

  • 2-step verification

    Yes

  • Allow/Deny List

    Yes

  • Access Protection

    Yes

  • Service binding

    Yes

  • Firewall

    Yes

  • VMware vSphere Ready

    Yes

  • Windows Server certificated

    Yes

  • Citrix Ready

    Yes

  • vSphere Web Client Plug-in

    Yes

  • VMware vSphere VAAI for iSCSI

    Yes

  • VMware vSphere VAAI for NAS

    Yes

  • Windows ODX

    Yes

  • Windows/VMware Snapshot Agent

    Yes

  • HTTP/HTTPS Connections

    TLS 1.0/1.1/1.2/1.3

  • Supports WebDAV Connection

    Yes

  • Supports Virtual Hosts

    32

  • Qsync

    Management Mode: User customization, Central
    Qsync client supported platforms: Windows, macOS, Ubuntu, Android, and iOS
    Maximum number of version control: 64

  • HybridMount

    QuTS hero h5.1.0
    File Cloud Gateway: Concurrent Connections = 80 Upload & 80 Download
    Network Drive Mount
    Free cloud gateway sessions: 2

    QTS 5.1.0:
    File Cloud Gateway: Concurrent Connections = 20 Upload & 20 Download
    Network Drive Mount
    Free cloud gateway sessions: 2

  • HBS (Hybrid Backup Sync)

    NAS to NAS backup
    Cloud Backup
    Cloud Sync
    2-way and Active Sync
    Backup Deduplication
    Apple Time Machine Backup
    External drive backup
    Maximum number of backup job: 400

  • Hyper Data Protector

    Yes

  • Boxafe

    Office 365 Backup
    Google Workspace Backup
    Full-text search

  • Qsirch

    Previews: Photos, music, videos, PDFs, Gmail, and others
    Integrate Mac Finder
    Advanced picture search
    Search filters

  • QuMagie

    Browse photos
    Virtual and smart albums
    AI-assisted photo management: People, things, places, and others

  • Antivirus (free)

    Yes

  • McAfee (License)

    Yes

  • QVPN Service

    Remote Access: PPTP, L2TP/IPSec, OpenVPN, QBelt (QNAP proprietary)
    Supported utility and mobile app: Windows, macOS, iOS, and Android
    Supported maximum clients: 100

  • LDAP Server

    Yes

  • RADIUS

    Yes

  • SQL server

    Yes

  • License Center

    Yes

  • Multimedia Console

    Yes

  • Photo Station

    Yes

  • Music Station

    Yes

  • Video Station

    Yes

  • Download Station

    Yes

  • Notes Station

    Yes

  • Qfiling

    Yes

  • Media Streaming add-on

    Yes

  • QmailAgent

    Yes

  • QuWAN

    Yes

  • DA Driver Analyzer

    Yes

  • Q'center

    Yes

  • Q'center Server

    Yes

  • Q'center Agent

    Yes

  • Connect to Q'center

    Yes

  • Virtualization Station

    QuTS hero h5.1.0
    Supports Virtual machine instances: Windows, Linux, Unix, and Android
    VM Importing, exporting, cloning, snapshot capturing, backup, and restoration: All function is Fine
    Virtual switches: Can create a virtual switch
    Suggested n0. of VM virtual machine instances: 8

  • Virtualization Station (Contd.)

    QTS 5.1.0
    QuTS hero h5.1.0
    Supports Virtual machine instances: Windows, Linux, Unix, and Android
    VM Importing, exporting, cloning, snapshot capturing, backup, and restoration: All function is Fine
    Virtual switches: Can create a virtual switch
    GPU pass-through: Not support GPU
    Suggested n0. of VM virtual machine instances: 8

  • Container Station

    Supported type: LXC/LXD and Docker
    Docker Hub Registry
    Container importing and exporting
    Console mode

  • Linux Station

    QuTS hero h5.1.0
    Supports Ubuntu versions: 16.04, 18.04, and 20.04

    QTS 5.1.0
    Supports Ubuntu versions: 18.04, and 20.04

  • Linux Station Center

    Yes

  • QVR Pro

    Recording Technique
    Index database based
    License Type: Perpetual
    User-defined trigger events
    Metadata
    QVR Pro Client (Desktop): Windows, macOS, and QNAP HybridDesk Station
    QVR Pro Client (Mobile): Android and iOS
    Recording camera streams: H.264
    Free built-in camera channels: 8

  • QVR Elite

    Recording Technique: Standard MP4 file based
    License Type: Subscription-based
    User-defined trigger events
    QVR Pro Client (Desktop): Windows, macOS, and QNAP Hybrid Desk Station
    QVR Pro Client (Mobile): Android and iOS
    Recording camera streams: H.264
    Free built-in camera channels: 2

  • QVR Pro Client

    Dynamic View Layout
    Windows
    Mac
    HybridDesktop
    iOS
    Android
    Only in QTS 5.1.0

  • QVR Center

    Log management
    Central monitoring across multiple servers

  • QVR Guard

    Failover design
    Viewing task details
    Automatic switch between Standby and Takeover

  • QVR Human

    Yes (Only in QTS 5.1.0)

  • QVR Face

    Yes (Only in QTS 5.1.0)

  • QVR DoorAccess

    Yes (Only in QTS 5.1.0)

  • UPC Code

    885022025725

About QNAP TS-855eU

How do you ensure your business's data is secure, accessible, and efficiently managed The TS-855eU 8-Bay 2U Short-Depth Rackmount NAS/iSCSI IP-SAN Enclosure is the answer for organizations seeking a reliable, high-performance, and user-friendly storage solution. This compact yet durable NAS system is engineered to meet the demands of flexible IT deployment and comprehensive virtualization applications, even in environments with limited space.

The TS-855eU is powered by an Intel 8-core processor, delivering robust performance and computing benefits that facilitate rapid data access, seamless backup and restoration, and efficient file server operations. With the ability to run the intuitive QTS operating system, this NAS enclosure offers the flexibility to switch to the ZFS-based QuTS hero operating system, depending on your specific storage needs.

Space-saving by design, the TS-855eU boasts a depth of just 11.7 inches (297.4 mm), making it an ideal fit for compact racks in offices, audiovisual rooms, or areas with extensive cabling. Its 2U short-depth form factor allows for a significant reduction in size, offering a versatile storage solution without compromising on capacity or performance.

For businesses requiring extensive storage, the TS-855eU can be connected to TL-R1620Sep-RP / TL-R1220Sep-RP JBOD units, enabling up to 48 additional drive bays to scale alongside your business growth. Dual 2.5GbE connectivity ensures enhanced network performance and fault tolerance, with backward compatibility for 1G/100M networks.

The device's PCIe expandability includes two PCIe Gen 3 slots, ready for a variety of expansion cards such as 5/10/25GbE network cards, QM2 cards, or Fiber Channel cards, further enhancing its capabilities. Optimized SSD performance is achieved through dual M.2 PCIe NVMe slots, which support SSD caching, storage pools, or Qtier auto-tiered storage, ensuring your data is always at your fingertips.

Virtualization is a breeze with the TS-855eU, which can centralize your virtualization storage and host multiple virtual machines and containerized apps, supported by certifications from VMware vSphere, Microsoft Hyper-V, and Citrix XenServer. This makes it an affordable and efficient choice for businesses looking to streamline their IT infrastructure.

The TS-855eU is not just about raw performance; it also offers comprehensive security features, including privilege settings, IP blocking, and malware protection, ensuring your data remains safe from external threats. With support for multi-version snapshots, your data is safeguarded against ransomware, allowing for quick restoration to a specific point in time.

As a file storage and collaboration hub, the TS-855eU excels with support for SMB/CIFS, AFP, and NFS protocols, facilitating seamless file sharing across different operating systems. Its short-depth design also makes it an ideal surveillance solution for 24/7 security in space-constrained environments.

For businesses anticipating growth, the TS-855eU provides flexible and economical storage expansion options. With the App Center, users can access a suite of productivity-boosting applications, expanding the NAS's functionality even further.

Choose the TS-855eU for a storage solution that combines high performance, reliability, and capacity, all in a budget-friendly package that's perfect for diverse applications, from high-speed storage and backup to virtualization and surveillance.

QNAP TS-855eU Features

  • Intel Atom C5125 8-core 2.8GHz processor
  • 8GB non-ECC SODIMM DDR4 (1x 8GB) System Memory
  • 64GB (2x 32GB) Maximum Memory
  • 2.5 Gigabit Ethernet Port: 2
  • 5 Gigabit Ethernet Port: Optional via a network adapter
  • 2x PCIe Gen3 (x4) PCIe Slot
  • 2x M2 2280 (PCIe Gen3 x 4) M.2 Slot
  • Drive Bay: 8 x 3.5" SATA 6Gb/s, 3Gb/s

Product Documents

User Manual

Key Features

  • Harness the power of this 8-bay NAS enclosure for centralized data storage and access.
  • Ensure data security with advanced RAID configurations and robust encryption features.
  • Experience fast performance with the Intel Atom C5125 processor, boosting productivity.
  • Enjoy easy setup and management with QNAP's intuitive operating system, QuTS hero h5.1.0.
  • Access your files remotely from anywhere, ensuring seamless collaboration and productivity.
  • Rely on this NAS for reliable backup solutions, safeguarding your critical data from loss.

What's in the box:

  • QNAP TS-855eU 8-Bay 2U Short-Depth Rackmount NAS/iSCSI IP-SAN Enclosure
  • Ethernet Cable
  • Power Cord
  • 32x Flat Head Screw (for 3.5" HDD)
  • 24x Flat Head Screw (for 2.5" HDD)
  • Quick Installation Guide
  • QNAP 3 Year Limited Warranty