QNAP 

QNAP NAS TS-855eU-RP-8G-US 2U 8Bay Atom C5125 8GB 2x300W PSU Retail

Mfg Part Number:  TS-855EU-RP-8G-US  
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Price: $2,499.98
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In Stock: 15
Last Updated: Feb 01, 2026
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TS-855eU-RP | 2U short-depth rackmount NAS with 8-core computing power for optimized virtualization

Designed for flexible IT deployment and comprehensive virtualization applications, the short-depth TS-855eU-RP 2.5GbE NAS can easily fit in a compact rack in offices or audiovisual rooms. Powered by an Intel® 8-core processor, the TS-855eU-RP packs excellent performance and computing benefits to empower fast data access, backup/restoration, file server, and virtualization applications, while including redundant power supplies to ensure maximum system uptime. Running the QTS operating system as standard, the TS-855eU-RP can be switched to use the ZFS-based QuTS hero operating system based on your requirements. The TS-855eU-RP will be available and supported by QNAP for an extended period (up to 2030) , ideal for businesses requiring matching NAS models deployed for long-term projects.

Compact, space saving

  • The TS-855eU-RP has a depth of only 11.7 inches (297.4 mm) and is perfectly suited for installation in a compact rack, or places with a lot of cabling.

Flexible storage expansion

  • Connect TL-R1620Sep-RP / TL-R1220Sep-RP JBOD units to the TS-855eU-RP for adding up to 48 additional drive capacity to match your business growth.

Dual 2.5GbE connectivity

  • Features two 2.5GbE ports (backwards compatible with 1G/100M). Supports port trunking for enhanced performance and fault tolerance.

PCIe expandability

  • Features two PCIe Gen 3 slots for installing 5/10/25GbE network cards, QM2 cards or Fibre Channel cards.

Optimized SSD performance

  • Dual M.2 PCIe NVMe slots enable SSD caching, SSD storage pools, or Qtier™ auto-tiered storage.

Virtual machines and containers

  • Centralize your virtualization storage, and host multiple virtual machines and containerized apps.

2U short-depth design for up to 38% reduction in size

The rackmount TS-855eU-RP has a short depth design of only 11.7 inches (297.4 mm), making it an excellent choice for smaller racks, wall-mount AV rack cabinets, and network rack cabinets. The space saved by the short depth design can be reserved for cabling or ventilation. The TS-855eU-RP is space-saving for flexible deployment and is especially suitable for compact offices, audiovisual rooms, and security surveillance recording.

Ultimate 8-core performance with up to 64 GB RAM and Intel® QuickAssist Technology

Designed for heavy business workloads, the TS-855eU-RP delivers exceptional 8-core performance for running multiple concurrent tasks. AES-NI encryption and Intel® QuickAssist Technology (QAT) is supported to offload computationally-intensive compression and improving IPsec/SSL cryptography performance. Up to 64 GB ECC RAM is supported and redundant power supplies are included to ensure 24/7 system stability. Combining high performance, reliability, and capacity, the TS-855eU-RP is an all-round budget-friendly storage solution for diverse applications, such as file servers, high-speed storage/backup/recovery, and virtualization.

Main Specification
General Information
Manufacturer QNAP Systems
Manufacturer Part Number TS-855EU-RP-8G-US
Manufacturer Website Address http://www.qnap.com
Brand Name QNAP
Product Model TS-855EU-RP-8G
Product Name TS-855EU-RP-8G SAN/NAS Storage System
Product Type SAN/NAS Storage System
Storage
Number of Hard Drives Supported 8
Number of Hard Drives Installed 0
Number of Solid State Drive Supported 8
Number of Solid State Drive Installed 0
Flash Memory Capacity 5 GB
Processor & Chipset
Processor Type Atom
Processor Model C5125
Processor Core Octa-core (8 Core)
Processor Speed 2.80 GHz
Memory
Standard Memory 8 GB
Memory Technology DDR4 SDRAM
Network & Communication
Ethernet Technology 2.5 Gigabit Ethernet
I/O Expansions
Number of Total Expansion Bays 8
Number of 2.5"/3.5" Bays 8
Total Number of Expansion Slots 2
Expansion Slot Type PCI Express 3.0 x4
Controllers
Controller Type Serial ATA/600
RAID Supported Yes
RAID Levels 0, 1, 5, 6, 10, 50, 60, JBOD
Interfaces/Ports
Total Number of USB Ports 4
Number of USB 3.2 Gen 1 Ports 4
Network (RJ-45) Yes
Number of Network (RJ-45) Ports 2
Software
Operating System QTS 5.0.1
Management & Protocols
Protocols SNMPv2
Protocols WEBDAV
Protocols IPv6
Protocols HTTPS
Protocols FTP
Protocols IPSec
Protocols TFTP
Protocols L2TP
Protocols LDAP
Protocols TLS
Protocols HTTP
Protocols DDNS
Protocols CIFS/SMB
Protocols FXP
Protocols NFS
Protocols IPv4
Protocols SSH
Protocols SFTP
Protocols PPTP
Protocols iSCSI
Protocols SSL
Protocols Telnet
Protocols DHCP
Protocols FTPS
Protocols AFP
Power Description
Number of Power Supplies Installed 2
Maximum Power Supply Wattage 300 W
Redundant Power Supply Yes
Physical Characteristics
Height 3.5"
Width 17"
Depth 11.7"
Form Factor Rack-mountable
Rack Height 2U
Weight (Approximate) 20.88 lb
Miscellaneous
Package Contents
  • TS-855EU-RP-8G SAN/NAS Storage System
  • 1 x Ethernet Cable
  • 2 x Power Cord
  • 32 x Flat head screws (for 3.5" HDD)
  • 24 x Flat head screws (for 2.5" HDD)
  • Quick Installation Guide (QIG)
Warranty
Limited Warranty 3 Year
Additional Warranty Information

The TS-855eU-RP is backed by a 3-year warranty at no additional cost. You can also purchase a warranty extension that extends your warranty coverage up to 5 years.

Drive Cabinets

Hard Drive Adapters

Host Bus Adapters

Miscellaneous Kits

Mounting Kits

Network Interface Cards

Power Generator Accessories

Power Supplies

RAM Modules

Serial/Ultra ATA Controllers

WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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