Key Specifications
Choose one or multiple features to search for items that have the same specifications.| Processor | |
| Processor model | C5125 |
| Processor manufacturer | Intel |
| Processor family | Intel Atom |
| Processor cores | 8 |
| Processor threads | 8 |
| Processor cache | 9 MB |
| Processor frequency | 2.8 GHz |
| Memory | |
| Internal memory type | DDR4 |
| Flash memory | 5000 MB |
| Memory slots | 2 |
| Memory form factor | SO-DIMM |
| Maximum RAM supported | 64 GB |
| Internal memory | 8 GB |
| Ports & interfaces | |
| Ethernet LAN (RJ-45) ports | 2 |
| PCI Express x4 (Gen 3.x) slots | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB port | ![]() |
| Weight & dimensions | |
| Weight | 8.15 kg |
| Package weight | 10.9 kg |
| Height | 88.6 mm |
| Width | 432 mm |
| Depth | 297.4 mm |
| Package depth | 210 mm |
| Package height | 592 mm |
| Package width | 530 mm |
| Energy management | |
| Power consumption (typical) | 78.73 W |
| Number of power supply units | 2 |
| Redundant power supply (RPS) support | ![]() |
| Power consumption (sleep) | 54.331 W |
| AC input voltage | 100 - 240 V |
| Power supply location | Built-in |
| Fan voltage | 12 V |
| Power supply unit (PSU) capacity | 300 W |
| Operational conditions | |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -20 - 70 °C |
| Operating temperature (T-T) | 0 - 40 °C |
| Networking | |
| Ethernet LAN | ![]() |
| Wake-on-LAN ready | ![]() |
| Jumbo frames support | ![]() |
| DHCP server | ![]() |
| Ethernet LAN data rates | 10,100,1000,2500 Mbit/s |
| iSCSI support | ![]() |
| Storage | |
| RAID levels | 0, 1, 5, 6, 10, 50, 60 |
| RAID support | ![]() |
| Storage drive interface | Serial ATA II, Serial ATA III |
| Number of storage drives supported | 8 |
| Storage drive sizes supported | 2.5,3.5,M.2 |
| Storage drives installed | ![]() |
| Installed storage drive type | ![]() |
| Supported storage drive types | HDD & SSD |
| Hot-swap drive bays | ![]() |
| Supported storage drive interfaces | Serial ATA II, Serial ATA III |
| Online RAID migration | ![]() |
| Online RAID expansion | ![]() |
| Number of M.2 (M & B) slots | 2 |
| RAID rebuild | ![]() |
| Total installed storage capacity | 0 TB |
| Operating system/software | |
| Operating system installed | QuTS hero |
| Operating system version | h5.0.1 |
| Windows operating systems supported | Windows 10, Windows 7, Windows 8 |
| Mac operating systems supported | Mac OS X 10.10 Yosemite, Yes |
| Linux operating systems supported | CentOS 7.0, Ubuntu 14.04, Yes |
| Packaging content | |
| Package type | Box |
| Other features | |
| Warranty period | 3 year(s) |
| Design | |
| Chassis type | Rack (2U) |
| LED indicators | ![]() |
| Product colour | Black |
| Number of fans | 3 fan(s) |
| Cooling type | Active |
| Fan diameter | 6 cm |
| Performance | |
| Type | NAS |
| Security algorithms | AES |
| Buzzer | ![]() |
| Snapshot | ![]() |
| Web-based management | ![]() |
| Reset button | ![]() |
| Multilingual support | ![]() |
| On/off switch | ![]() |
| Device class | Small & Medium Business |
| Backup function | ![]() |
| Share folder access right management | ![]() |
| EAN | 4711103083307 |
| Warranty | 3 years |
The QNAP TS-855EU-RP-8G is an 8-bay 2U rackmount NAS for small to medium-sized businesses. It uses an 8-core Intel Atom C5125 processor clocked at 2.8 GHz. Eight bays accommodate 2.5-inch or 3.5-inch SATA drives. The system comes with 8 GB of DDR4 memory, which can be expanded to 64 GB via two SO-DIMM slots. It supports RAID levels 0, 1, 5, 6, 10, 50, and 60 for data redundancy.
The chassis includes two 300 W redundant power supplies to maintain uptime in the event of a failure. Three 60 mm fans provide cooling for the 2U frame. Networking is handled by two 2.5 Gigabit Ethernet ports, which are backward compatible with 10/100/1000 Mbit/s. Two internal M.2 slots allow for NVMe SSDs to be used as cache or storage volumes. The system runs the pre-installed QuTS hero h5.0.1 operating system.
Key Features:- iSCSI support for block-level storage in virtualised environments.
- Four USB 3.2 Gen 1 Type-A ports for external hardware or expansion enclosures.
- Supports up to 1,024 concurrent connections for multiple users.
- Hot-swappable drive bays for disk replacement without system downtime.
- Jumbo frame support for more efficient large file transfers.
- AES encryption to secure stored data via hardware-based algorithms.
- Compatible with Windows 10, macOS 10.10, and Ubuntu 14.04.
Estimated delivery: 05.10
Today: 11:00 - 15:00
Estimated delivery: 05.10
Today: Closed
Estimated delivery: 05.10
Today: Closed
Estimated delivery: 05.10
Today: Closed
Estimated delivery: 05.10
Today: 10:00 - 14:00
Estimated delivery time: 05.10
Estimated delivery time: 05.10
Estimated delivery time: 06.10
Estimated delivery time: 06.10
Estimated delivery time: 06.10
Estimated delivery time: 05.10
Estimated delivery time: 05.10
Estimated delivery time: 06.10
- manual pdf (English)
- manual pdf (English)


