Qnap Rackmount | TS-855eU | (8 Bay)
Enhanced Performance with TS-855eu
The QNAP TS-855eu is a high-performance 2U short-depth rackmount NAS designed for optimized virtualization and demanding workloads. Powered by an Intel Core i3-10100T quad-core processor and 8GB of DDR4 non-ECC RAM, it delivers excellent computing power for fast data access, backup/restore, file server, and virtualization applications. The TS-855EU offers abundant I/O capabilities with two PCIe Gen 3 x4 slots for expanding application potential, supporting various expansion cards like 5/10/25GbE network cards, QM2 cards, and SAS/SATA storage expansion cards. With its dual 2.5GbE network ports and support for M.2 NVMe SSDs, the TS-855EU provides optimized performance and bandwidth for bandwidth-demanding tasks.
Key Specifications:
- CPU: Intel ® Atom® C5125 8-core processor, 2.8GHz
- RAM: 8 GB non-ECC SODIMM DDR4
- Networking: 2x 2.5GbE RJ-45 Ports
- Storage: 8-Bay NAS with Hot-Swappable HDD/SSD Bays
- Expansion: 2x PCIe Gen 3 x4 Slots
- Form Factor: 2U Short-Depth Rackmount
Specification
Qnap Rackmount TS-855eu
| CPU | Intel ® Atom® C5125 8-core processor, 2.8GHz |
| CPU Architecture | 64-bit x86 |
| Floating Point Unit | Yes |
| Encryption Engine | Yes (AES-NI) |
| System Memory | 8 GB non-ECC SODIMM DDR4 (1 x 8 GB) |
| Maximum Memory | 64 GB ( 2 x 32 GB) |
| Memory Slot | 2 x SODIMM DDR4 Support ECC memory For dual-DIMM configuration, you must use a pair of identical DDR4 modules.
|
| Flash Memory | 5GB (Dual boot OS protection) |
| Drive Bay | 8 x 3.5-inch SATA 6Gb/s, 3Gb/s
The system is shipped without HDD.
|
| Drive Compatibility | 3.5-inch SATA hard disk drives 2.5-inch SATA hard disk drives 2.5-inch SATA solid state drives |
| Hot-swappable | Yes |
| M.2 Slot | 2 x M.2 2280 (PCIe Gen 3 x 4)
Compatible with NVMe SSD PCIe Gen 3 and above. .
|
| SSD Cache Acceleration Support | Yes |
| SR-IOV | Yes |
| 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) | Yes
Only the 2.5GbE port
|
| Jumbo Frame | Yes |
| PCIe Slot | 2 x PCIe Gen3 (x4) Slot 1: PCIe Gen 3 (x4) Slot 2: PCIe Gen 3 (x4) Card dimensions for PCIe slot 1：97 x 68.9x 18.76 mm / 3.82 x 2.71 x 0.74 inches.
Card dimensions for PCIe slot 2：210 x 68.9 x 18.76 mm / 8.27 x 2.71 x 0.74 inches. |
| USB 3.2 Gen 1 port | 4 |
| HDMI™ Output | Optional via a PCIe graphics card |
| Form Factor | 2U Short Depth Rackmount |
| LED Indicators | HDD 1-8, Status, LAN, USB, Power |
| Buttons | Power, Reset |
| Qnap Rackmount TS-855eu Dimensions (HxWxD) |
88.6 × 432 × 297.4 mm |
| Weight (Net) | 8.1 kg |
| Weight (Gross) | 9.6 kg |
| 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 Supply Unit | 250W PSU, 100 – 240V |
| Power Consumption: HDD Sleep Mode | 49.799 W |
| Power Consumption: Operating Mode, Typical | 79.113 W
Tested fully populated with WD10EFRX hard drives.
|
| Fan | 3 x 60mm, 12VDC |
| System Warning | Buzzer |
| Standard Warranty | 3 |
| Max. Number of Concurrent Connections (CIFS) – with Max. Memory | 2500 |
