A compact 2U short-depth rackmount NAS built for business workloads, virtualization, and fast file access. The TS-855eU-8G combines strong compute power, flexible expansion, and modern networking to serve as a reliable storage core for your office, AV room, or network cabinet.
Ideal for compact racks, wall-mount cabinets, and environments where cable management and ventilation space matter.
Built to handle concurrent access, backups, and virtualization tasks with smooth responsiveness.
Dual 2.5GbE ports help boost throughput and improve availability using link aggregation or failover.
Add high-speed NICs, QM2 cards, or Fibre Channel via PCIe for advanced workloads and growth.

The TS-855eU-8G is designed for file services, backup/restoration, and virtualization environments where reliable performance and low-latency access are important. Use it as a central storage hub for teams, shared projects, or VM/container deployments.
Contact Contra Technology and we’ll help you select the right HDD/SSD options, RAID level, and network upgrades based on your workload.
| 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 |
| 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 |
| مروحة النظام | 3 x 60mm, 12VDC |
| وحدة إمداد الطاقة/المحول | 250W PSU, 100 - 240V |
| Total Memory Slots | 2 x SODIMM DDR4 Support ECC memory For dual-DIMM configuration, you must use a pair of identical DDR4 modules. |
| Maximum Memory Capacity | 64 GB ( 2 x 32 GB) |
| M.2 Drive Slots | 2 x M.2 2280 (PCIe Gen 3 x 4) |
| PCIe Expansion | 2 x PCIe Gen3 (x4) Slot 1: PCIe Gen 3 (x4) Slot 2: PCIe Gen 3 (x4) |
| Form Factor (RU) | 2U Short Depth Rackmount |
| Floating Point Unit | ✓ |
| Flash Memory | 5GB (Dual boot OS protection) |
| Wake on LAN (WOL) | ✓ |
| Jumbo Frame | ✓ |
| HDMI™ Output | Optional via a PCIe graphics card |
| LED Indicators | HDD 1-8, Status, LAN, USB, Power |
| Buttons | Power, Reset |
| Operating Temperature | 0 - 40 °C (32°F - 104°F) |
| Storage Temperature | -20 - 70°C (-4°F - 158°F) |
| Relative Humidity | 5-95% RH non-condensing, wet bulb: 27˚C (80.6˚F) |
| Power Consumption: Disk Standby Mode | 49.799 |
| System Warning | Buzzer |
| Max. Number of Concurrent Connections (CIFS) - with Max. Memory | 2500 |