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QNAP TS-855X-8G-US 8-Bay NAS/iSCSI IP-SAN 10GbE Intel Atom C5125 8GB DDR4
QNAP·MPN: TS-855X-8G-US

QNAP TS-855X-8G-US 8-Bay NAS/iSCSI IP-SAN 10GbE Intel Atom C5125 8GB DDR4

The QNAP TS-855X-8G-US is an 8-bay NAS/iSCSI IP-SAN featuring an Intel Atom C5125 processor and 8GB DDR4 RAM, delivering high-performance storage for demanding business environments.

  • High-Speed Connectivity: Equipped with 10GbE/2.5GbE ports, enabling rapid data access and transfer speeds crucial for virtualization and large file operations.
  • Versatile Storage: Offers six 3.5-inch SATA HDD bays and two 2.5-inch SATA SSD bays, supporting RAID 0, 1, 5, 6, 10, 50, 60 for flexible data protection and performance.
  • Robust Processing Power: An 8-core Intel Atom C5125 processor with Intel QuickAssist Technology accelerates encryption and data compression, enhancing overall system efficiency.
  • Expandable Memory: Features 4 DDR4 UDIMM slots supporting up to 128GB RAM, allowing for increased multitasking capabilities and smoother operation of virtual machines.
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Product Overview

The QNAP TS-855X-8G-US is a powerful 8-bay desktop NAS and iSCSI IP-SAN designed for businesses requiring high-speed storage and virtualization capabilities. It features an 8-core Intel Atom C5125 processor, 8GB of DDR4 RAM expandable up to 128GB, and built-in 10GbE/2.5GbE connectivity for rapid data access.

This storage solution supports a variety of RAID configurations, offers hardware-accelerated encryption via Intel QuickAssist Technology, and includes multiple USB 3.2 Gen 1 ports for easy peripheral connection and data backup.

  • High-Speed Networking: Integrated 10GbE/2.5GbE ports ensure fast data transfer, reducing bottlenecks for demanding applications like video editing and large database operations.
  • Flexible Drive Configuration: Accommodates six 3.5-inch HDDs and two 2.5-inch SSDs, allowing for a tiered storage strategy to balance cost and performance.
  • Advanced Data Protection: Supports multiple RAID levels (0, 1, 5, 6, 10, 50, 60) and features like snapshots and hot-swap bays to safeguard critical business data.
  • Enhanced Security: Utilizes 256-bit AES encryption and FIPS 140-2 compliance to protect sensitive data from unauthorized access.
  • Scalable Memory: With four DDR4 UDIMM slots, the system can be upgraded to 128GB of RAM, significantly boosting performance for virtualization and heavy workloads.

The QNAP TS-855X-8G-US is engineered to provide enterprise-grade storage performance and reliability for growing businesses without the complexity of enterprise infrastructure.

Technical Specifications

1Performance & Business Impact
Throughput (10GbE/2.5GbE)10 Gbps / 2.5 GbpsEnsures rapid data access and transfer speeds, minimizing bottlenecks for demanding business applications and large file operations.
RAID Support0, 1, 5, 6, 10, 50, 60Provides flexible data redundancy and protection against drive failures, safeguarding critical business data and ensuring uptime.
Processor8-core Intel Atom C5125 with Intel QuickAssist TechnologyAccelerates encryption and data compression, enhancing overall system efficiency and responsiveness for business workloads.
Concurrent Connections700Supports a high number of simultaneous user connections, ensuring smooth performance for multiple users accessing storage.
Security Algorithms256-bit AES, FIPS 140-2, HTTPS, SSHProtects sensitive business data with strong encryption and industry-standard security protocols, meeting compliance requirements.
2Connectivity & I/O
Ethernet LAN Ports3 x RJ-45 (10/100/1000/2500/10000 Mbps)
USB Ports1 x USB 2.0, 3 x USB 3.2 Gen 1
PCIe Slots2 x PCIe Gen 3.0 x4
Storage Drive InterfacesSerial ATA II, Serial ATA III
Supported Storage Drive TypesHDD & SSD
3Physical & Environmental
Dimensions (W×D×H)292.7 mm x 319.8 mm x 224.8 mm (11.52" x 12.59" x 8.85")
Weight8.5 kg (18.74 lbs)
ColorBlack
Cooling TypeActive (3 Fans)
Operating Temperature0°C to 40°C (32°F to 104°F)
4Lifecycle, Warranty & Compliance
Warranty3-Year On-Site
In-Box ContentsAC power cables (x2), LAN cables (RJ-45), Quick installation guide, Screws
Compliance CertificationsFIPS 140-2
Supported File SystemsFAT32, HFS+, NTFS, exFAT, ext3, ext4
Operating SystemQNAP QTS 5.0.1

Full Specifications

Manufacturer Data
Processor5
Processor manufacturerIntel
Processor familyIntel Atom®
Processor modelC5125
Processor frequency2.8 GHz
Processor cores8
Memory7
Internal memory8 GB
Internal memory typeDDR4
Maximum RAM supported128 GB
Memory slots4
Memory form factorUDIMM
ECCYes
Flash memory5000 MB
Storage17
Storage drive capacity0 GB
Supported storage drive interfacesSerial ATA II, Serial ATA III
Storage drive sizes supported2.5,3.5"
Number of M.2 (M & B) slots2
RAID supportYes
RAID levels0, 1, 5, 6, 10, 50, 60
Online RAID migrationYes
Online RAID expansionYes
RAID rebuildYes
Hot-swap drive baysYes
Supported file systemsFAT32, HFS+, NTFS, exFAT, ext3, ext4
Storage drives installedNo
Total installed storage capacity0 TB
Number of storage drives supported8
Installed storage drive typeNo
Supported storage drive typesHDD & SSD
Disk roamingYes
Network9
Ethernet LANYes
Ethernet LAN data rates10,100,1000,2500,10000 Mbit/s
Ethernet LAN data rate supported (max)10000 Mbit/s
DHCP serverYes
Jumbo frames supportYes
iSCSI supportYes
Wake-on-LAN readyYes
Supported network protocolsIPv4, IPv6
Dynamic DNS (DDNS)Yes
Ports & interfaces6
USB portYes
USB 2.0 ports quantity1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity3
Ethernet LAN (RJ-45) ports3
Concurrent connections700
PCI Express x4 (Gen 3.x) slots2
Power5
Power supply locationBuilt-in
Power supply unit (PSU) capacity250 W
Number of power supply units1
Power consumption (typical)75.79 W
AC input voltage100 - 240 V
Performance19
TypeSAN
Device classHome & Home Office
Backup functionYes
Backup featuresUSB drive, iSCSI LUN
BuzzerYes
Multilingual supportYes
SnapshotYes
Management protocolsSNMP V2, V3
Security algorithms256-bit AES, FIPS 140-2, HTTPS, SSH
Access Control List (ACL)Yes
Reset buttonYes
On/off switchYes
Built-in FTP serverYes
Browser supportedApple Safari, Google Chrome, Microsoft Edge, Mozilla Firefox
System logYes
Hot spareYes
S.M.A.R.T. supportYes
Share folderCIFS/SMB
USB copy functionYes
Weight & dimensions8
Width292.7 mm
Depth319.8 mm
Height224.8 mm
Weight8.5 kg
Package width396 mm
Package depth338 mm
Package height426 mm
Package weight10.1 kg
Design9
Chassis typeTower
Cooling typeActive
Product colourBlack
Number of fans3 fan(s)
Fan diameter8 cm
Fan diameter 29 cm
LED indicatorsHDD, LAN, Power, SSD, Status, USB
Cable lock slotYes
Cable lock slot typeKensington
Software7
Operating system installedQNAP QTS
Operating system version5.0.1
Windows operating systems supportedWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 IoT Enterprise, Windows 10 Pro, Windows 10 Pro x64, Windows 10 x64, Windows 11, Windows 11 Enterprise, Windows 11 Enterprise x64, Windows 11 Home, Windows 11 Pro, Windows 11 x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 7 x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Windows 8 Pro, Windows 8 Pro x64, Windows 8 x64
Linux operating systems supportedCentOS 7.0, SuSE Linux 12.0, SuSE Linux 12.3, SuSE Linux 15, Ubuntu 14.04
Mac operating systems supportedMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 11.0 Big Sur, Mac OS X 12.0 Monterey, Mac OS X 13.0 Ventura
Server operating systems supportedWindows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Other operating systems supportedIBM AIX 7.1, IBM AIX 7.2, Solaris 10, Solaris 11
Packaging content5
Cables includedAC, LAN (RJ-45)
Power cables quantity2
Quick installation guideYes
Number of screws56
Package typeBox
Operational conditions3
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)5 - 95%
Storage temperature (T-T)-20 - 70 °C
Other features2
Fibre ChannelYes
Warranty period3 year(s)
Downloads3
Product Datasheet98 KB
Download
User Manual2.5 MB
Download
User Manual3.1 MB
Download

What This Solves

High-Speed Business Data Storage

Businesses require fast and reliable access to large volumes of data for daily operations and critical applications. This NAS provides 10GbE connectivity and robust processing to ensure quick data retrieval and minimize downtime.

SMBs, mid-market companies, remote offices, data-intensive workflows

Centralized Data Backup & Archiving

Organizations need a secure and efficient solution to back up critical business data and archive historical records. The TS-855X-8G-US offers multiple RAID configurations and USB backup options for comprehensive data protection.

Companies with regulatory compliance needs, businesses with distributed data, IT departments managing multiple data sources

Virtualization Storage & Application Hosting

Running virtual machines and business applications demands high-performance, low-latency storage. This device supports iSCSI and offers ample RAM capacity for hosting VMs and critical business applications efficiently.

Companies running VMware or Hyper-V, businesses hosting business-critical applications, IT teams seeking consolidated infrastructure

Key Features

8-core Intel Atom C5125 Processor with Intel QuickAssist Technology

Accelerates data encryption and compression, improving overall system performance and responsiveness for demanding business tasks.

Built-in 10GbE/2.5GbE connectivity

Enables rapid data transfer speeds, significantly reducing bottlenecks for large file transfers, virtualization, and high-demand applications.

Six 3.5" SATA HDD bays and two 2.5" SATA SSD bays

Provides flexible storage configuration options, allowing for a balance of high-capacity storage and high-speed SSD caching for optimal performance.

RAID 0, 1, 5, 6, 10, 50, 60 support

Offers robust data redundancy and protection against drive failures, ensuring business continuity and data integrity.

4 DDR4 UDIMM slots, expandable to 128GB

Allows for significant memory upgrades, enhancing multitasking capabilities and improving performance for virtualization and heavy workloads.

Industry Applications

Finance & Insurance

Provides secure, high-speed storage for financial data and compliance requirements, with robust RAID options for data integrity.

Legal & Professional Services

Offers secure, centralized storage for sensitive client documents and case files, with encryption and access control features.

Manufacturing & Industrial

Supports high-speed data acquisition and storage for IoT devices and operational data, with options for large capacity and fast retrieval.

Media & Entertainment

Enables fast access and transfer of large media files, crucial for video editing, rendering, and collaborative workflows with its 10GbE connectivity.

Frequently Asked Questions

What is the maximum storage capacity supported by the QNAP TS-855X-8G-US?

The NAS supports eight storage drives (six 3.5" HDDs and two 2.5" SSDs). The maximum capacity depends on the individual drive sizes installed, with support for large-capacity drives.

Does this NAS support iSCSI for block-level storage?

Yes, the TS-855X-8G-US fully supports iSCSI, making it suitable for use as a storage solution for virtual machines and servers requiring block-level access.

What operating systems are compatible with the QNAP TS-855X-8G-US for client access?

It is compatible with Windows, macOS, and various Linux distributions, allowing seamless integration into diverse IT environments for file access and management.

Can the memory be upgraded on this QNAP NAS?

Yes, the TS-855X-8G-US features four DDR4 UDIMM slots and can be upgraded from the base 8GB to a maximum of 128GB of RAM to enhance performance for demanding applications.

Warranty & Returns

Manufacturer Warranty

5 years

Warranty is provided directly by the manufacturer and covers defects in materials and workmanship under normal use.

Return Policy

Returns subject to manufacturer approval

Hardware returns are governed by the manufacturer's return policy. Some products are non-returnable or subject to restocking fees. Defective items are handled under the manufacturer warranty. Contact Zent Networks before initiating any return.

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