QNAP
QNAP TS-855eU-8G-US 8-Bay 2U Rackmount NAS
Elevate Your Data Management with Unrivaled Speed and CapacityIntroducing the QNAP TS-855eU-8G-US, a high-performance 8-Bay 2U Short-Depth rackmount NAS, engineered for optimized virtualization and efficient data management. Designed with dual 2.5GbE ports, an Intel Atom CPU, and 8GB DDR4 memory,...
$1,699.00*
Check availability
*Price sourced from Amazon.com. Last updated:Jul 14, 2026.Price and availability are subject to change.
Affiliate Disclosure: Studio Supplies may earn a commission from qualifying purchases made through links on this page, at no additional cost to you. This helps support our editorial team.
Notice a mistake? Let Us Know
Overview
Elevate Your Data Management with Unrivaled Speed and Capacity
Introducing the QNAP TS-855eU-8G-US, a high-performance 8-Bay 2U Short-Depth rackmount NAS, engineered for optimized virtualization and efficient data management. Designed with dual 2.5GbE ports, an Intel Atom CPU, and 8GB DDR4 memory, this NAS delivers reliable and scalable storage solutions.
- CPU: Intel Atom C5125 8C 2.8GHz
- Memory: 8GB SODIMM DDR4 RAM (Expandable up to 64GB with ECC Support)
- Ethernet Ports: Dual 2.5GbE (2.5G/1G/100M)
- M.2 Slots: Dual M.2 PCIe Gen 3 x4 NVMe SSD slots
- PCIe Slots: Dual PCIe Gen 3 x4 slots
- Drive Bays: 8 x 3.5-inch SATA 6Gb/s drive bays (Diskless)
- Software Features: Backup Google Workspace & Microsoft 365, QVR Pro surveillance solution, QNAP’s storage snapshot solution for ransomware protection
Key Features
Intel Atom C5125 8C 2.8GHz processor and 8GB SODIMM DDR4 RAM (up to 64GB with ECC Support)
Dual 2.5GbE (2.5G/1G/100M) ports accelerates file sharing across teams and devices or streamline large file transfers
Dual M.2 PCIe Gen 3 x4 NVMe SSD slots enable cache acceleration or SSD storage pools for improved performance
Dual PCIe Gen 3 x4 slots allow for installing additional Network adapters, QM2 cards, or Fibre Channel cards to increase application performance
Backup Google Workspace & Microsoft 365 accounts and files to NAS with Boxafe
Specifications
Processor
Intel Atom C5125
Processor Cores
8
Processor Speed
2.8GHz
RAM
8GB SODIMM DDR4
Max RAM
64GB (with ECC Support)
Network Ports
Dual 2.5GbE (2.5G/1G/100M)
M.2 SSD Slots
Dual PCIe Gen 3 x4 NVMe
PCIe Expansion Slots
Dual PCIe Gen 3 x4
Form Factor
2U Rackmount
Bays
8-Bay
Software Integration
Boxafe (Google Workspace & Microsoft 365 backup)
Pros & Cons
👍 Pros
- Powered by an Intel Atom C5125 8C 2.8GHz processor and 8GB SODIMM DDR4 RAM, upgradeable to 64GB with ECC support, for robust performance.
- Equipped with dual 2.5GbE ports to accelerate file sharing and streamline large file transfers across networks.
- Features dual M.2 PCIe Gen 3 x4 NVMe SSD slots, enabling cache acceleration or high-performance SSD storage pools.
- Includes dual PCIe Gen 3 x4 slots for installing network adapters, QM2 cards, or Fibre Channel cards to boost application performance.
- Offers integrated Boxafe for backing up Google Workspace and Microsoft 365 accounts and files directly to the NAS.
👎 Cons
- As a rackmount unit, it requires a rack for proper installation, which may not be suitable for all home or small office environments.
- The 8GB base RAM, while expandable, might be insufficient for very demanding virtual machine or high-concurrency applications without an upgrade.
- The primary connectivity is 2.5GbE, which, while fast, is not 10GbE standard, potentially limiting speeds in extremely high-bandwidth network infrastructures.
- The emphasis on enterprise-level features like ECC support and Boxafe might lead to a higher cost for users who only require basic NAS functionalities.
Frequently Asked Questions
What processor powers the QNAP TS-855eU-8G-US NAS?
This QNAP NAS is powered by an Intel Atom C5125 8-core 2.8GHz processor, designed for efficient operation.
Can the RAM in this NAS be upgraded?
Yes, the 8GB SODIMM DDR4 RAM can be expanded up to 64GB, and it supports ECC RAM for enhanced data integrity.
What network connectivity options are available on this NAS?
It features dual 2.5GbE (2.5G/1G/100M) ports, designed to accelerate file sharing and large data transfers.
Does the TS-855eU-8G-US support SSD caching?
Yes, it includes dual M.2 PCIe Gen 3 x4 NVMe SSD slots, which can be used for cache acceleration to improve performance.
Can I add additional expansion cards to this NAS?
Yes, it comes with dual PCIe Gen 3 x4 slots, allowing for the installation of additional network adapters, QM2 cards, or Fibre Channel cards.
Is there a backup solution for cloud services integrated into this NAS?
Yes, it includes Boxafe, which allows for backing up Google Workspace and Microsoft 365 accounts and files to the NAS.
What is the form factor of this QNAP NAS?
The QNAP TS-855eU-8G-US is an 8-bay 2U rackmount NAS, requiring installation in a standard server rack.
Related Products
