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QNAP TS-855X-8G 8-Bay Tower NAS, Intel Atom C5125 8-Core, 8GB, 10GbE, 2 x 2.5GbE, 2 x M.2, 2 x PCIe Gen 3

Price:

$ 3,533.18


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QNAP TS-855X-8G 8-Bay Tower NAS, Intel Atom C5125 8-Core, 8GB, 10GbE, 2 x 2.5GbE, 2 x M.2, 2 x PCIe Gen 3

https://arcip.com.au/web/image/product.template/8375/image_1920?unique=874d354

QNAP TS-855X-8G 8-bay tower NAS with 6 x 3.5-inch and 2 x 2.5-inch SATA 6Gb/s bays. Intel Atom C5125 8-core 2.8GHz processor with AES-NI and Intel QuickAssist Technology, 8 GB DDR4 UDIMM (max 128 GB, ECC supported), 5GB flash. 1 x 10GBASE-T, 2 x 2.5GbE, 2 x M.2 2280 PCIe Gen 3 x4 NVMe slots, 2 x PCIe Gen 3 x4 slots for 25GbE or SAS expansion, 3 x USB 3.2 Gen 1, 1 x USB 2.0. 250W PSU. Snapshots, iSCSI, VMs, containers and SR-IOV. 3 year standard warranty. Genuine QNAP from ARC IP Networks, authorised QNAP reseller with Australian stock.

$ 3,533.18 3533.18 AUD $ 3,533.18 incl. GST

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    Authorised Australian Reseller | Australian Stock | Genuine Local Warranty

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SKU
TS-855X-8G
Barcode
4711103084007

QNAP TS-855X-8G at a glance

The QNAP TS-855X-8G is an 8-bay tower NAS (6 x 3.5-inch plus 2 x 2.5-inch) powered by an Intel Atom C5125 8-core 2.8GHz processor with AES-NI and Intel QuickAssist Technology, and 8 GB DDR4 memory expandable to 128 GB. It has one 10GBASE-T port, two 2.5GbE ports, two M.2 2280 PCIe Gen 3 x4 NVMe slots and two PCIe Gen 3 x4 slots for 25GbE or SAS expansion.

ARC IP Networks is an authorised QNAP reseller in Australia. We supply the genuine QNAP TS-855X-8G from Australian stock, with a GST tax invoice on every order.

Drive bays6 x 3.5-inch + 2 x 2.5-inch
CPUAtom C5125 8-core 2.8GHz
Network1 x 10GbE, 2 x 2.5GbE
Memory8GB, max 128GB

Best for

  • File servers, high-speed storage, backup and recovery for businesses
  • Virtualisation with iSCSI LUNs, VMs, containers and SR-IOV
  • Direct switchless 2.5GbE connections to up to ten workstations with QXG-2G4T-I225 cards

Key features

Intel Atom C5125 8-core 2.8GHz processor with AES-NI and Intel QuickAssist Technology (QAT) for compression and IPsec/SSL offload.

8 GB non-ECC DDR4 UDIMM pre-installed in four slots, upgradeable to 128 GB (4 x 32 GB) with ECC RAM support (ECC and non-ECC cannot be mixed).

One 10GBASE-T port (10G/5G/2.5G/1G/100M) and two 2.5GbE ports built in.

Six 3.5-inch bays plus two 2.5-inch SSD bays.

Two M.2 2280 PCIe Gen 3 x4 slots for NVMe SSD caching, a QuTS hero system drive or an Edge TPU.

Two PCIe Gen 3 x4 slots for 5/10/25GbE network cards or SAS/SATA storage expansion cards.

With two QXG-2G4T-I225 cards it can directly connect up to ten PCs or workstations without a switch.

Block-based snapshots, iSCSI LUNs, Virtualization Station, Container Station and SR-IOV support.

QNAP TS-855X-8G specifications

QNAP TS-855X-8G technical specifications
SpecificationValue
Processor and memory
CPUIntel Atom C5125 8-core, 2.8GHz
CPU architecture64-bit x86
Encryption engineAES-NI
System memory8 GB non-ECC UDIMM DDR4
Maximum memory128 GB (4 x 32 GB)
Memory slots4 x U-DIMM DDR4, ECC supported
Flash memory5GB (dual boot OS protection)
Storage
Drive bays6 x 3.5-inch + 2 x 2.5-inch SATA 6Gb/s, 3Gb/s
Drive compatibility3.5-inch bays: 3.5-inch SATA HDD, 2.5-inch SATA SSD; 2.5-inch bays: 2.5-inch SATA SSD
Hot-swappableYes (except M.2 SSDs, SSD cache drives and SSDs in PCIe slots)
M.2 slots2 x M.2 2280 PCIe Gen 3 x4 (SSD not included; heatsink recommended)
Networking and expansion
10 Gigabit Ethernet1 x 10GBASE-T (10G/5G/2.5G/1G/100M)
2.5 Gigabit Ethernet2 (2.5G/1G/100M/10M)
25 Gigabit EthernetOptional via PCIe expansion card
Wake on LAN2.5GbE port only
PCIe slots2 x PCIe Gen 3 x4 (slot 1 card max. 260 x 111.15 x 18.76 mm; slot 2 card max. 150 x 68.9 x 18.76 mm)
USB 3.2 Gen 13
USB 2.01
Physical
Form factorTower
Dimensions (H x W x D)225 x 292.9 x 319.8 mm (excluding foot pad)
LED indicatorsPower/Status, LAN, USB, HDD1-6, SSD 1-2, M.2 SSD 1-2
ButtonsPower, Reset, USB Auto Copy
FansSystem: 2 x 80mm, 12VDC; CPU: 1 x 90mm, 12VDC
OtherKensington security slot
Power and environment
Power supply250W PSU, 100~240V
Power consumption (operating, typical)86.96 W (drives fully populated)
Operating temperature0 - 40 °C
Storage temperature-20 - 70 °C
Relative humidity5-95% RH non-condensing
Warranty and limits
Standard warranty3 years
Max. concurrent CIFS connections (max. memory)2500

Figures from QNAP's official product page and hardware specifications.

The QNAP TS-855X-8G in depth

8-core Atom with up to 128 GB RAM

The TS-855X runs multiple concurrent tasks on an Intel Atom C5125 8-core 2.8 GHz processor, with AES-NI and Intel QAT offloading compression and IPsec/SSL cryptography. Four UDIMM slots ship with 8 GB and scale to 128 GB ECC RAM for heavier workloads such as file serving, backup and virtualisation.

10GbE and 2.5GbE built in

A 10GBASE-T port and two 2.5GbE ports provide high-speed connectivity out of the box; in QNAP's testing Windows file transfer over 2 x 2.5GbE reached 589 MB/s download. Two PCIe Gen 3 x4 slots add 25GbE networking, extra 2.5GbE ports for switchless workstation links, or SAS/SATA expansion.

Hybrid SSD and HDD storage

Six 3.5-inch bays sit alongside two 2.5-inch SSD bays and two M.2 PCIe Gen 3 x4 slots, so SSD caching, a QuTS hero SSD system drive or a Coral Edge TPU can run without using hard drive bays. Block-based snapshots help mitigate ransomware.

Frequently asked questions

Straight answers about the QNAP TS-855X-8G from the ARC IP Networks team. Last reviewed October 2026.

It has eight bays: six 3.5-inch SATA bays (also accepting 2.5-inch SSDs) and two 2.5-inch SATA SSD bays, plus two M.2 2280 PCIe Gen 3 x4 slots.

It has one 10GBASE-T port (10G/5G/2.5G/1G/100M) and two 2.5GbE ports; 25GbE is optional via a PCIe expansion card.

It ships with 8 GB non-ECC DDR4 and supports up to 128 GB (4 x 32 GB). ECC RAM is supported, but ECC and non-ECC RAM cannot be mixed.

QNAP's TS-855X page describes using two SSDs as the system drive for QuTS hero, its ZFS-based operating system.

QNAP lists a standard warranty of 3 years.

ARC IP Networks is an authorised QNAP reseller and supplies the TS-855X-8G from Australian stock with a GST tax invoice.

Explore the full QNAP range: Shop all QNAP

Buy the QNAP TS-855X-8G in Australia

ARC IP Networks is an authorised QNAP reseller, supplying QNAP NAS, expansion units, switches and network cards to businesses, creative studios, integrators and home users across Australia.

  • Genuine QNAP: sourced through QNAP's authorised Australian distribution, never grey import.
  • Australian stock, shipped Australia-wide.
  • Manufacturer's warranty and local pre-sales help choosing the right model.
  • GST tax invoice on every order, with trade and project pricing available.

Planning QNAP storage?

Ask ARC IP Networks for project pricing or a configured quote, or call us to check the right QNAP model for your data.

Brand QNAP

Accurate Shipping Costs

Our online shipping calculator is designed to provide a final, accurate shipping cost based on the items in your cart and your delivery postcode. Shipping costs are calculated at checkout based on your order and delivery postcode. The final cost is calculated based on several factors which are automatically accounted for by our system, including:

  • The stock location of the item(s) across our warehouses.
  • Orders with multiple items that may require special packaging.
  • The weight and dimensions of the order (including heavy or oversized items).
  • The delivery courier servicing your specific region.

Delivery Times


 

Standard Processing


Most orders placed by 2pm AEDT are dispatched for next working day delivery. Larger orders may require 1-2 additional business days for processing. If timing is critical, please contact us to discuss expedited options (additional charges may apply).


Delivery Timeframes


Region

Processing Time

Express Delivery

Standard Delivery

VIC, NSW, SA, QLD Metro, TAS

1-2 business days

1-2 business days

2-4 business days

NT, WA, QLD Rural

1-2 business days

1-2 business days

3-5 business days

New Zealand

1-2 business days

2-3 business days

4-10 business days

Please note: Processing times may extend during peak periods such as Christmas and end of financial year.

Free Warehouse Pickup



Save on shipping costs with free pickup from our ARC IP Networks Blackburn warehouse. Simply place your order online or by phone, and collect during business hours (Monday to Friday). Please allow time for picking and packing. For urgent orders, call 1300 100 440 to confirm your order is ready.

ARC IP Networks Pickup Address: 6 George Street, Blackburn, VIC 3130


Insurance & Tracking



All ARC IP Networks shipments are fully insured and trackable. Once dispatched, you'll receive an email with your tracking number and courier website details. If your item is confirmed lost or damaged by our courier, we'll arrange a replacement in consultation with you.


International Shipping



ARC IP Networks ships to New Zealand. Please note:


  • Import duties and taxes vary by country
  • Buyers are responsible for all customs charges
  • Contact your local customs authority before ordering
  • We'll provide required documentation for smooth customs clearance
  • Buyers cover all shipping costs for returns due to refused duties/taxes


Delivery Requirements


Signature Required


All deliveries must be signed for. If you won't be home, contact our Sales Support team to arrange Authority to Leave. Important: Authority to Leave voids shipping insurance if parcels are lost or stolen.


Delivery Restrictions


We do not deliver to PO Boxes or Parcel Lockers as our couriers cannot access them. Orders sent to these addresses will be returned, incurring redelivery fees.


Shipping Issue Resolution


ARC IP Networks works closely with our shipping partners to resolve any delivery issues quickly and fairly:


  1. Confirmation: We verify expected delivery dates with our shipping partners
  2. Investigation: Issues outside normal timeframes trigger formal investigations
  3. Communication: We keep you updated throughout the resolution process
  4. Resolution: Confirmed lost items are replaced or refunded after investigation completion


Please note: Refunds for lost, missing, or delayed orders cannot be processed until shipping partner investigations are complete. This does not affect your rights under the Australian Consumer Law, and refunds or replacements will be provided where required once loss or damage is confirmed.

Warranty & Faulty Products

ARC IP Networks complies with the Australian Consumer Law (ACL).

If a product is faulty, damaged, not of acceptable quality, or does not perform as advertised, you are entitled to a repair, replacement, or refund in accordance with ACL.

Manufacturer Warranty Returns

For faults developing after 14 days within the warranty period:

  • Contact ARC IP Networks first at info@arcip.com.au or 1300 100 440
  • We will assess the issue and coordinate with manufacturers, authorised service centres, or distributors on your behalf
  • Where required, a manufacturer RMA may be arranged
  • ARC IP Networks manages the return process and next steps

Dead on Arrival (DOA)

Products that arrive faulty or damaged must be reported within 14 days of delivery.

ARC IP Networks will arrange assessment, replacement, or refund as appropriate.

Change of Mind & Non-Faulty Returns

Change-of-mind returns must be requested within 14 days of delivery. For change-of-mind returns, the product must be unused, unopened, in its original packaging, and returned with all accessories and documentation. These conditions apply only to change-of-mind returns and do not limit or exclude your rights under the Australian Consumer Law. Some products are not eligible for change-of-mind returns, including:

  • Ex-demo products
  • Clearance or markdown items
  • Special-order items
  • Products clearly marked “No Change-of-Mind Returns”

Important

This does not affect your rights under Australian Consumer Law.

If a product is faulty, not of acceptable quality, or does not meet advertised specifications, it remains eligible for return regardless of category.

Refunds & Processing Timeframes

  • Approved refunds are processed within 7 business days of receiving returned goods
  • Refunds are issued to the original payment method, unless otherwise agreed
  • Replacement or repair may be offered where appropriate
  • Store credit may be offered only with customer consent

Handling fees and non-returnable service charges may not be refundable where permitted by law.


Restocking Fees

For approved change-of-mind or non-faulty returns, a 15% restocking fee applies.

  • Any applicable restocking fee will be clearly communicated prior to return approval
  • The fee will be deducted from the refund amount
  • Restocking fees do not apply to returns made under the Australian Consumer Law, including faulty, damaged, or misrepresented goods.

Return Shipping Costs

  • Change-of-mind returns: The customer is responsible for return shipping costs.
  • Faulty or defective products: ARC IP Networks covers return shipping under Australian Consumer Law.

Non-Warranty Repairs

For issues not covered by warranty:

  • ARC IP Networks will provide a quote before proceeding
  • Customers are responsible for all shipping and service costs
  • No repairs are undertaken without customer approval

Return Methods

Returns may be made:

  • In-store at ARC IP Networks – 6 George Street, Blackburn VIC 3130
  • Or by shipment as instructed by our support team

Proof of purchase is required for all returns.

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