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header-product NAS QNAP TS-855EU-8G Rack 2U Intel Atom C5125 8GB DDR4 QuTS hero
2,125.99 €

NAS QNAP TS-855EU-8G Rack 2U Intel Atom C5125 8GB DDR4 QuTS hero

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NAS QNAP TS-855EU-8G Rack 2U Intel Atom C5125 8GB DDR4 QuTS hero

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Short description

The QNAP TS-855EU-8G is a 2U rack NAS designed for small and medium businesses. It features an Intel Atom C5125 processor with a frequency of 2.8 GHz and 8 GB of DDR4 memory. The device runs on QuTS hero operating system, providing efficient storage management and data protection. With a total installed storage capacity of 0 TB, it is suitable for users looking to expand their storage solutions.
Available at price 2,125.99 €: 3 pcs.
Total available for order: 25 pcs.
Warranty: 3 Years
SKU: 9783645
free shipment

Cheapest delivery:

Venipak Locker LV

Pick-up points

Venipak Locker LV

Cost

1.89 €

Deliver

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Customer service center
2b. Kengaraga str., Riga, Latvia, LV-1063
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01.07.2026 {{selectedOffer.courierDeliveryString}}
From 9.19 € (Weight: 11.00 kg)
Parcel couriers
Venipak Locker LV / Latvijas Pasts pakomāts / Unisend LV / DPD Paku skapis / Omniva LV / Latvijas Pasts nodaļa
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From 1.89 €
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pay in 3 equal parts

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0 €

afterward

3 mth. х 708.66 €

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0 €

All payment Methods:
Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities
36 months installment: from 59.06 euros per month
Leasing for legal entities: from 73.98 euros per month
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Product information

Description

The QNAP TS-855EU-8G Rack 2U is a network-attached storage (NAS) appliance built for small and medium business environments. It is powered by an Intel Atom C5125 processor running at 2.8 GHz and equipped with 8 GB DDR4 memory, and runs the QuTS hero operating system for advanced ZFS-based data management and protection. The 2U rack chassis supports up to eight drives (HDD & SSD) and arrives without preinstalled drives, allowing flexible selection of storage capacities and media types. The unit includes Ethernet LAN connectivity, a black chassis and a compact 2U form factor suitable for server racks.

Advantages

The device provides enterprise-class data integrity and protection through QuTS hero and its ZFS foundations while keeping a low-power Intel Atom C5125 CPU for efficient performance. With support for up to eight drives, the NAS offers scalable storage expansion and RAID options to balance capacity, redundancy and performance. The 2U rack design and rack-mountable chassis enable straightforward integration into standard server cabinets. Weight and colour specifications make the unit easy to plan for physical installation and rack allocation.

Suitable for

  • Small and medium-sized business file sharing and centralized storage
  • Data protection and backup target with RAID configurations
  • Virtualization storage for lightweight VMs or containers
  • Media archive and project storage that requires mixed HDD and SSD support
  • IT environments requiring rack-mounted, compact 2U hardware

Key specifications

  • Model: QNAP TS-855EU-8G (MPN: TS-855eU-8G, EAN: 4711103083376)
  • Processor: Intel Atom C5125, 2.8 GHz
  • Memory: 8 GB DDR4 (installed)
  • Drive bays supported: 8 (HDD & SSD); drives not preinstalled
  • RAID: Supported (software/hardware RAID configurations via QuTS hero)
  • Operating system: QuTS hero (ZFS-based storage OS)
  • Chassis: Rack-mountable 2U, colour: Black
  • Ethernet LAN: Yes (network connectivity supported)
  • Weight: 7.61 kg

How to use

Install the unit in a standard 19-inch server rack occupying a 2U slot and secure it according to rack-mount instructions. Populate the drive bays with appropriate HDDs or SSDs to meet capacity and performance needs; the device ships without installed drives. Power on the NAS and access the QNAP setup utility via Ethernet from a management workstation. Use the QuTS hero initialization wizard to configure system volumes, create RAID groups, and enable data protection features such as checksums and snapshots. Configure network settings, user accounts, and shared folders for file services (SMB, NFS, AFP) and integrate backup or virtualization targets as required.

Usage recommendations

For balanced performance and redundancy, choose enterprise-class NAS HDDs for bulk capacity and NVMe/SATA SSDs for cache or high-performance pools. Configure RAID levels that match your tolerance for redundancy and capacity (for example RAID 6 or RAID 10 where applicable). Keep QuTS hero firmware and apps updated, monitor system health via the QTS/QuTS management interface, and schedule regular backups or remote replication to a secondary location to ensure long-term data protection.

Specifications

Number of storage drives installed:
0
Number of storage drives supported:
8
Storage drives installed:
No
RAID support:
Yes
Installed storage drive type:
No
Supported storage drive types:
HDD & SSD
Ethernet LAN:
Yes
Chassis type:
Rack (2U)
Weight:
7.61 kg
Product colour:
Black
All features

Storage

RAID levels:
1, 5, 10, 50, 60, JBOD
Supported file systems:
FAT32, HFS+, NTFS, ZFS, exFAT, ext3, ext4
RAID support:
Yes
Number of storage drives supported:
8
Storage drive sizes supported:
2.5, 3.5
Storage drives installed:
No
Number of storage drives installed:
0
Installed storage drive type:
No
Supported storage drive types:
HDD & SSD
Hot-swap drive bays:
Yes
Storage drive capacity:
0 GB
Supported storage drive interfaces:
Serial ATA III, Serial ATA II
Online RAID migration:
Yes
Online RAID expansion:
Yes
Disk roaming:
Yes
Number of M.2 (M & B) slots:
2
RAID rebuild:
Yes
Total installed storage capacity:
0 TB

Ports & interfaces

Ethernet LAN (RJ-45) ports:
2
Fiber optic connector:
MTP
PCI Express x4 (Gen 3.x) slots:
2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity:
4
USB port:
Yes

Network

Supported network protocols:
IPv4, IPv6
Ethernet LAN:
Yes
Wake-on-LAN ready:
Yes
Jumbo frames support:
Yes
DHCP server:
Yes
Ethernet LAN data rates:
10, 100, 1000, 2500
iSCSI support:
Yes
Dynamic DNS (DDNS):
Yes

Processor

Processor model:
C5125
Number of processors installed:
1
Processor manufacturer:
Intel
Processor cores:
8
Processor threads:
8
Processor cache:
9 MB
Processor frequency:
2.8 GHz
Thermal Design Power (TDP):
50 W
ECC supported by processor:
Yes

Memory

Internal memory type:
DDR4
Flash memory:
5000 MB
Memory slots:
2
Memory form factor:
SO-DIMM
Maximum RAM supported:
64 GB
Internal memory:
8 GB

Power

Power consumption (typical): Power consumption in switched-on state expressed in W.
79.113 W
Number of power supply units:
1
Power consumption (sleep):
49.799 W
AC input voltage:
100 - 240
Power supply location:
Built-in
Fan voltage:
12 V
Power supply unit (PSU) capacity:
250 W

Operational conditions

Operating relative humidity (H-H):
5 - 95
Storage temperature (T-T):
-20 - 70
Operating temperature (T-T):
0 - 40

Design

Chassis type:
Rack (2U)
LED indicators:
Y
Product colour:
Black
Number of fans:
3 fan(s)
Cooling type:
Active
Fan diameter:
60 mm

Performance

Type:
NAS
Security algorithms:
AES, FIPS 140, HTTPS, SSH
Management protocols:
SNMP V2, V3
Browser supported:
Apple Safari (latest version) Google Chrome (latest version) Microsoft Edge (latest version) Mozilla Firefox (latest version)
Buzzer:
Yes
Snapshot:
Yes
Access Control List (ACL):
Yes
Reset button:
Yes
On/off switch:
Yes
S.M.A.R.T. support:
Yes
Device class:
Small & Medium Business
Backup function:
Yes
Backup features:
USB drive, iSCSI LUN
Built-in FTP server:
Yes
System log:
Yes
Hot spare:
Yes
Share folder:
CIFS/SMB
USB copy function:
Yes

Weight & dimensions

Weight:
7.61 kg
Height:
88.6 mm
Width:
432 mm
Depth:
297.4 mm

Software

Operating system installed:
QuTS hero
Operating system version:
h5.0.1
Windows operating systems supported:
Windows 10, Windows 11, Windows 7, Windows 8
Mac operating systems supported:
Mac OS X 10.10 Yosemite, Y
Linux operating systems supported:
CentOS 7.0, Ubuntu 14.04, Y
Server operating systems supported:
Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
Other operating systems supported:
IBM AIX 7.1, Solaris 10

Other features

Fibre Channel:
Yes

Packaging content

Cables included:
AC, LAN (RJ-45)
Quick installation guide:
Yes
Number of screws:
56
Power cables quantity:
1

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Stock data
Warehouse Stock Delivery to the store Store Price
BT19 3 Friday Best delivery 2,125.99 €
WH115 1 09.07.2026 2,162.49 €
WH94 5 09.07.2026 2,256.99 €
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Warehouse Stock Delivery to the store Store Price
WH15 6 09.07.2026 2,221.49 €
WH109 5 23.07.2026 2,316.99 €
WH332 1 09.07.2026 2,767.49 €
2,125.99 €
Stock: 3
Delivery Date: Friday Best delivery
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2,162.49 €
Stock: 1
Delivery Date: 09.07.2026
Warehouse: WH115
2,256.99 €
Stock: 5
Delivery Date: 09.07.2026
Warehouse: WH94
2,345.99 €
Stock: 2
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Warehouse: EU3
2,350.49 €
Stock: 2
Delivery Date: 13.07.2026
Warehouse: WH353
Available only for legal entities
2,221.49 €
Stock: 6
Delivery Date: 09.07.2026
Warehouse: WH15
2,316.99 €
Stock: 5
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Warehouse: WH109
2,767.49 €
Stock: 1
Delivery Date: 09.07.2026
Warehouse: WH332

Customer reviews

Customer questions

FAQ

How much does the NAS QNAP TS-855EU-8G cost, and is it available for purchase?

The price is 2,125.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 25 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Friday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment, Leasing for legal entities. All transactions are 100% secure and encrypted.

Can NAS QNAP TS-855EU-8G be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. We work with leading banks and leasing companies in Latvia, allowing you to make your purchase on convenient terms — with a minimal down payment and a repayment period from 3 to 36 months. You can apply for credit or installments for the NAS QNAP TS-855EU-8G online, and the application process is as simple as possible:
  • Select the product on the website and add it to your cart;
  • When placing your order, choose the payment method “Installments”;
  • Fill in the required details for the lending partner;
  • Receive a decision within a few minutes.
For more information about available payment options, interest-free installment terms, and credit conditions in Latvia, please visit the Payment page.

Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

What is the warranty period?

All QNAP products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized QNAP service centers and through AiO.lv

Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. We will assist with consultation, warranty claim processing, and coordination with certified service centers.

How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: number of storage drives installed, number of storage drives supported, storage drives installed, raid support, installed storage drive type, supported storage drive types, ethernet lan, chassis type, weight, product colour, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

Where can I download the instructions for NAS QNAP TS-855EU-8G?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.
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