QNAP TS-855eU-8G 8 x Total Bays SAN/NAS Storage System - 5 GB Flash Memory Capacity - Intel Atom C5125 Octa-core (8 Core) 2.80 GHz - 8 GB RAM - DDR4 SDRAM - 2U Rack-mountable

QNAP TS-855eU-8G 8 x Total Bays SAN/NAS Storage System - 5 GB Flash Memory Capacity - Intel Atom C5125 Octa-core (8 Core) 2.80 GHz - 8 GB RAM - DDR4 SDRAM - 2U Rack-mountable

TS-855eU | 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 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 packs excellent performance and computing benefits to empower fast data access, backup/restoration, file server, and virtualization applications. Running the QTS operating system as standard, the TS-855eU can be switched to use the ZFS-based QuTS hero operating system based on your requirements. The TS-855eU will be available and supported by QNAP for an extended period (up to 2027) , ideal for businesses requiring matching NAS models deployed for long-term projects.

Compact, space saving

• The TS-855eU 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 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 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 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 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. Combining high performance, reliability, and capacity, the TS-855eU is an all-round budget-friendly storage solution for diverse applications, such as file servers, high-speed storage/backup/recovery, and virtualization.

• SAN/NAS Storage System offers maximum storage efficiency and convenience


• Holds up to 8 HDDs to let you expand limitlessly


• Through RAID levels (0, 1, 5, 6, 10, 50, 60, jbod), RAID provides data reliability, fault tolerance and improves overall performance


• DDR4 SDRAM memory technology for dependable data storage with maximum usability


• Enjoy quick web browsing and efficiently deal with your crazy work weeks or playtime marathons with the Intel Atom 2.80 ghz processor that kicks execution into high gear


• RAID technology - data reliability, fault tolerance and improved overall performance


• Rack-mountable san/nas storage system allows easy and convenient usage without any hassle


• 2.5 Gigabit Ethernet Ethernet technology for a reliable, convenient way of communication and connectivity


• It's QTS 5.0.1 operating system offers powerful platform to efficiently run routine applications

SAN/NAS Storage System offers maximum storage efficiency and convenience

Holds up to 8 HDDs to let you expand limitlessly

Through RAID levels (0, 1, 5, 6, 10, 50, 60, jbod), RAID provides data reliability, fault tolerance and improves overall performance

DDR4 SDRAM memory technology for dependable data storage with maximum usability

Enjoy quick web browsing and efficiently deal with your crazy work weeks or playtime marathons with the Intel Atom 2.80 ghz processor that kicks execution into high gear

RAID technology - data reliability, fault tolerance and improved overall performance

Rack-mountable san/nas storage system allows easy and convenient usage without any hassle

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