Description
QNAP TS-855EU-RP, NAS, Rack (2U), Intel Atom®, C5125, 8 GB, DDR4
Specifications
Storage
- Supported storage drive interfaces: Serial ATA II, Serial ATA III
- Storage drive sizes supported: 2.5, 3.5, M.2
- Number of M.2 (M & B) slots: 2
- RAID support: Yes
- RAID levels: 0, 1, 5, 6, 10, 50, 60
- Online RAID migration: Yes
- Online RAID expansion: Yes
- RAID rebuild: Yes
- Hot-swap drive bays: Yes
- Storage drives installed: No
- Total installed storage capacity: 0 TB
- Number of storage drives supported: 8
- Installed storage drive type: No
- Supported storage drive types: HDD & SSD
Processor
- Processor manufacturer: Intel
- Processor family: Intel Atom®
- Processor model: C5125
- Processor frequency: 2.8 GHz
- Processor cores: 8
- Processor threads: 8
- Processor cache: 9 MB
Memory
- Internal memory: 8 GB
- Internal memory type: DDR4
- Maximum RAM supported: 64 GB
- Memory slots: 2
- Memory form factor: SO-DIMM
- Flash memory: 5000 MB
Network
- Ethernet LAN: Yes
- Ethernet LAN data rates: 10, 100, 1000, 2500 Mbit/s
- DHCP server: Yes
- Jumbo frames support: Yes
- iSCSI support: Yes
- Wake-on-LAN ready: Yes
Ports & interfaces
- USB port: Yes
- USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4
- Ethernet LAN (RJ-45) ports: 2
- PCI Express x4 (Gen 3.x) slots: 2
Design
- Chassis type: Rack (2U)
- Cooling type: Active
- Product colour: Black
- Number of fans: 3 fan(s)
- Fan diameter: 6 cm
- LED indicators: Yes
Performance
- Type: NAS
- Device class: Small & Medium Business
- Backup function: Yes
- Buzzer: Yes
- Multilingual support: Yes
- Snapshot: Yes
- Web-based management: Yes
- Share folder access right management: Yes
- Security algorithms: AES
- Reset button: Yes
- On/off switch: Yes
Software
- Operating system installed: QuTS hero
- Operating system version: h5.0.1
- Windows operating systems supported: Windows 10, Windows 7, Windows 8
- Linux operating systems supported: CentOS 7.0, Ubuntu 14.04, Yes
- Mac operating systems supported: Mac OS X 10.10 Yosemite, Yes
Power
- Power supply location: Built-in
- Power supply unit (PSU) capacity: 300 W
- Number of power supply units: 2
- Power consumption (typical): 78.73 W
- Power consumption (sleep): 54.331 W
- AC input voltage: 100 - 240 V
- Fan voltage: 12 V
Weight & dimensions
- Width: 432 mm
- Depth: 297.4 mm
- Height: 88.6 mm
- Weight: 8.15 kg
Operational conditions
- Operating temperature (T-T): 0 - 40 °C
- Operating relative humidity (H-H): 5 - 95%
- Storage temperature (T-T): -20 - 70 °C
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