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.





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.
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.
Features two 2.5GbE ports (backwards compatible with 1G/100M). Supports port trunking for enhanced performance and fault tolerance.
Features two PCIe Gen 3 slots for installing 5/10/25GbE network cards, QM2 cards or Fibre Channel cards.
Dual M.2 PCIe NVMe slots enable SSD caching or SSD storage pool for the system drive of QuTS hero.
Centralize your virtualization storage, and host multiple virtual machines and containerized apps.
| Network Switches | |
|---|---|
| 2.5 Gigabit Ethernet Port (2.5G/1G/100M) | 2 (2.5G/1G/100M/10M) |
| 5 Gigabit Ethernet Port (5G/2.5G/1G/100M) | Optional via a network adapter |
| 10 Gigabit Ethernet Port | Optional via a network adapter |
| 25 Gigabit Ethernet Port | Optional via a network adapter |
| Wake on LAN (WOL) | ✓ |
| موديل البروسيسور | Intel ® Atom® C5125 8-core processor, 2.8GHz |
| هندسة بناء شريحة البروسيسور | 64-bit x86 |
| نمطية التشفير | ✓ (AES-NI) |
| الذاكرة | 8 GB non-ECC SODIMM DDR4 (1 x 8 GB) |
| عدد اماكن الهاردات | 8 x 3.5-inch SATA 6Gb/s, 3Gb/s |
| نوع الهاردات المتوافق | 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| هارد قابل للتبديل السريع | ✓ (Not supported M.2 SSD) |
| مخرج USB الجيل 3.2 | 4 |
| Total Memory Slots | 2 x SODIMM DDR4 Support ECC memory |
| Maximum Memory Capacity | 64 GB ( 2 x 32 GB) |
| M.2 Drive Slots | 2 x M.2 2280 (PCIe Gen 3 x 4) |
| Form Factor (RU) | 2U Short Depth Rackmount |
| Floating Point Unit | ✓ |
| Flash Memory | 5GB (Dual boot OS protection) |
| SSD Cache Acceleration Support | ✓ |
| Jumbo Frame | ✓ |
| HDMI™ Output | Optional via a PCIe graphics card |
| Power Consumption: Disk Standby Mode | 54.331 W |
| SR-IOV | ✓ |
| Power Consumption: Operating Mode, Typical | 78.73 W |
| Industrial switch | |
| Operating system | QuTS hero h5.6.0 |