QNAP TS-855eU-RP-8G
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.
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.
CPU
Intel® Atom® C5125 8 core 2.8 GHz processor
Memory
8GB DDR4 non-ECC memory (up to 64GB, 2x 32GB)
Note: Supports ECC RAM (cannot be used with non-ECC RAM)
Transmission efficiency
Tested in QNAP Labs. Figures may vary by environment.
Test Environment:
NAS: TS-855eU-RP with QXG-25G2SF-CX6
OS : QTS 5.0.1
Volume type: 8 x Samsung 860 EVO 1 TB SATA , RAID 5, thick volume
Client PC: Windows Server 2016 Standard, Intel i7-6700 3.4GHz, 64GB RAM
IOmeter: 16MB, 30-sec ramp up time, 3-min seq. run time, 16 workers, 4-outstanding
Virtualization Certifications Supported by TS-855eU-RP
Affordable 2.5GbE meets high-bandwidth demands
With two 2.5GbE RJ45 LAN ports (backwards compatible with 1G/100M), the TS-855eU-RP allows businesses to easily upgrade network speeds from 1 Gigabit to 2.5 Gigabit using existing CAT5e cables. Port Trunking and failover also reinforce applications demanding higher bandwidth and reliability, including virtualization, large file transfers, high-speed backup/restoration, and real-time applications. QNAP also offers numerous managed/unmanaged 2.5GbE/10GbE switches, assisting organizations in implementing high-speed, secure, and scalable network environments without going over budget.
Learn More: QNAP 2.5GbE solutions, QNAP Switch family
M.2 PCIe slots for SSD caching and accelerated AI-powered image recognition
The TS-855eU-RP comes with two M.2 PCIe Gen 3 slots that allow for installing M.2 2280 NVMe SSDs or Edge TPU (sold separately) to boost NAS performance.
Extend hardware warranty up to 5 years
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.
Hardware Specification
TS-855eU-RP-8G
| CPU |
Intel ® Atom® C5125 8-core processor, 2.8GHz |
| CPU Architecture |
64-bit x86 |
| Floating Point Unit |
 |
| Encryption Engine |
(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.
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
|
| 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 |
|
| M.2 Slot |
2 x M.2 2280 (PCIe Gen 3 x 4)
|
| SSD Cache Acceleration Support |
|
| SR-IOV |
|
| 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) |
Only the 2.5GbE port
Only the 2.5GbE port
|
| Jumbo Frame |
|
| 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.
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 |
| Dimensions (HxWxD) |
88.6 × 432 × 297.4 mm |
| Weight (Net) |
9.47 kg |
| Weight (Gross) |
10.94 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 |
Minimum 2 x 300W PSU, 100-240VAC |
| Power Consumption: HDD Sleep Mode |
54.331 W |
| Power Consumption: Operating Mode, Typical |
78.73 W
Tested fully populated with WD10EFRX hard drives.
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 |
Note: Use only QNAP memory modules to maintain system performance and stability. For NAS devices with more than one memory slot, use QNAP modules with identical specifications.
Warning: Using unsupported modules may degrade performance, cause errors, or prevent the operating system from starting.
QNAP reserves the right to replace partial parts or accessories if the original is no longer available from its manufacturer/supplier. Any replacement would be fully tested and verified to meet strict compatibility and stability guidelines and will deliver identical performance to the original.
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Designs and specifications are subject to change without notice.
