Qnap TS-855eU-RP-8G, 2U Short-depth Rackmount Nas With 8-core Computing Power, Intel Atom C5125 8-core Processor, 2.8GHz, 8 Gb Sodimm DDR4 (1x 8 Gb), 3 Yrs Wty TS-855eU-RP-8G
SKU
401119
Brand
MPN
TS-855eU-RP-8G
Warranty
Standard Manufacturer's Warranty
$4,642.00
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CPU:Intel ® Atom® C5125 8-core processor, 2.8GHz
CPU Architecture:64-bit x86
Floating Point Unit:Y
Encryption Engine (AES-NI):Y
System Memory: 8 GB 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: Y
M.2 Slot: 2 x M.2 2280 (PCIe Gen 3 x 4)
SSD Cache Acceleration Support: Y
SR-IOV: Y
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): Y
Only the 2.5GbE port
Jumbo Frame: Y
PCIe Slot:
CPU Architecture:64-bit x86
Floating Point Unit:Y
Encryption Engine (AES-NI):Y
System Memory: 8 GB 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: Y
M.2 Slot: 2 x M.2 2280 (PCIe Gen 3 x 4)
SSD Cache Acceleration Support: Y
SR-IOV: Y
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): Y
Only the 2.5GbE port
Jumbo Frame: Y
PCIe Slot:
| SKU | TS-855eU-RP-8G |
|---|---|
| Fans | 3 x 60 mm, 12 VDC |
| Brand | QNAP |
| Model | TS-855eU-RP-8G |
| Notes | Short-depth design (11.7 in / 297.4 mm) suitable for compact racks and AV rack cabinets; supports M.2 NVMe for SSD caching or Edge TPU acceleration; optional expansion via PCIe. |
| Buttons | Power, Reset |
| Category | Storage |
| Warranty | 3 years standard (extendable up to 5 years) |
| M.2 Slots | 2 x M.2 2280 (NVMe, PCIe Gen3 x4) |
| Processor | Intel Atom C5125 |
| USB Ports | 4 x USB 3.2 Gen 1 |
| Drive Bays | 8 |
| PCIe Slots | 2 x PCIe Gen3 x4 |
| Description | The QNAP TS-855eU-RP-8G is a compact 2U short-depth rackmount NAS designed for space-constrained racks and AV cabinets. Powered by an Intel Atom C5125 8-core 2.8 GHz processor and shipping with 8 GB DDR4 SODIMM (expandable to 64 GB ECC), it delivers high-performance storage for virtualization, backup, file serving, and surveillance. The system supports 8 x 3.5" SATA drive bays (diskless at shipment), 2 x M.2 2280 NVMe slots for caching or Edge TPU acceleration, dual 2.5GbE RJ45 ports (expandable to higher speeds via PCIe adapters), and 2 x PCIe Gen3 x4 slots for additional NICs or expansion. Additional connectivity includes 4 x USB 3.2 Gen 1 ports and optional HDMI via PCIe graphics card. Redundant dual 300W power supplies help ensure uptime. The TS-855eU-RP runs QNAP QTS and QuTS hero operating systems and includes enterprise features such as snapshots, hybrid backup sync, virtualization support, and multiple security utilities. Standard 3-year warranty (extendable). |
| Form Factor | 2U short-depth rackmount |
| HDMI Output | Optional via PCIe graphics card |
| Memory Type | DDR4 SODIMM (supports ECC memory) |
| Wake on LAN | Supported on 2.5GbE ports |
| Flash Memory | 5 GB (dual-boot OS protection) |
| Memory Slots | 2 x SODIMM |
| Power Supply | Redundant dual 300W power supplies (100-240 VAC) |
| Sub-Category | Network Attached Storage (NAS) |
| Weight (Net) | 20.88 lbs |
| Network Ports | 2 x 2.5GbE RJ45 (2.5G/1G/100M/10M) |
| Product Title | QNAP TS-855eU-RP-8G 2U 8-Bay Short-Depth Rackmount NAS (Intel Atom C5125, 8GB, Dual 2.5GbE, Redundant PSUs) |
| System Memory | 8 GB DDR4 SODIMM (non-ECC as shipped) |
| Drive Bay Type | 3.5-inch SATA (SATA 6Gb/s, 3Gb/s) |
| Included Items | TS-855eU-RP-8G enclosure (diskless) |
| LED Indicators | HDD 1-8, Status, LAN, USB, Power |
| Maximum Memory | 64 GB (2 x 32 GB ECC) |
| System Warning | Buzzer |
| Weight (Gross) | 24.12 lbs |
| Backup Features | Hybrid Backup Sync (NAS-to-NAS, cloud backup, VM backup, SaaS backup) |
| Processor Cores | 8 |
| Operating System | QTS and QuTS hero (manufacturer supports QTS 5.2.8 and QuTS hero h5.2.8) |
| Snapshot Support | Block-based snapshots with instant restore and replication |
| M.2 Hot-Swappable | No (M.2 SSDs not hot-swappable) |
| Network Expansion | Optional 5G/10G/25G via PCIe adapters |
| Relative Humidity | 5 - 95% RH non-condensing (wet bulb: 27 °C / 80.6 °F) |
| Security Features | IP blocking, HTTPS, QNAP Authenticator, QuFirewall, QVPN, QuWAN SD-WAN, Security Center, Malware Remover, TeamViewer remote access |
| Software Utilities | myQNAPcloud Storage, myQNAPcloud One, QVR Elite (2 free embedded camera channels), other QNAP utilities |
| Drive Compatibility | 3.5-inch SATA HDD, 2.5-inch SATA HDD, 2.5-inch SATA SSD |
| Storage Temperature | -20 - 70 °C (-4 - 158 °F) |
| Operating Temperature | 0 - 40 °C (32 - 104 °F) |
| Dimensions (H x W x D) | 3.49 x 17.01 x 11.71 inches (approximately 88.65 x 432 x 297.4 mm) |
| Virtualization Support | Supports VMware, Microsoft Hyper-V, Citrix, Veeam |
| Processor Base Frequency | 2.8 GHz |
| Drive State (Included Drives) | Diskless (system shipped without HDDs) |
| Power Consumption (Disk Standby) | 54.331 W |
| Power Consumption (Operating, tested fully populated) | 78.73 W (tested with WD10EFRX drives) |
QNAP TS-855eU-RP-8G, 2U short-depth rackmount NAS with 8-core computing power, Intel Atom C5125 8-core processor, 2.8GHz, 8 GB SODIMM DDR4 (1x 8 GB), 3 Yrs WTY
