QNAP TS-855eU-8G NAS Server - 8-Bay 2U Rack, Intel Atom C5125 2.8GHz, 8GB DDR4, 2x2.5GbE, 2x M.2, Black
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8-bay 2U QNAP NAS with Intel Atom C5125 2.8GHz, 8GB DDR4 (expandable to 64GB), 2×2.5GbE RJ-45, 2 M.2 slots, hot-swap bays, QuTS hero OS for SMB
For any questions about this item, availability, or delivery times, please contact us at 22 270068
| Storage drive capacity | 0 GB |
| Supported storage drive interfaces | Serial ATA III, Serial ATA II |
| Storage drive sizes supported | 2.5, 3.5" |
| Number of M.2 (M & B) slots | 2 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 10, 50, 60, JBOD |
| Online RAID migration | Yes |
| Online RAID expansion | Yes |
| RAID rebuild | Yes |
| Hot-swap drive bays | Yes |
| Supported file systems | FAT32, HFS+, NTFS, ZFS, exFAT, ext3, ext4 |
| 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 |
| Disk roaming | Yes |
| 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 |
| Number of processors installed | 1 |
| ECC supported by processor | Yes |
| Thermal Design Power (TDP) | 50 W |
| 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 |
| 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 |
| Supported network protocols | IPv4, IPv6 |
| Dynamic DNS (DDNS) | Yes |
| USB port | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| Fiber optic connector | MTP |
| Ethernet LAN (RJ-45) ports | 2 |
| PCI Express x4 (Gen 3.x) slots | 2 |
| Chassis type | Rack (2U) |
| Cooling type | Active |
| Product colour | Black |
| Number of fans | 3 fan(s) |
| Fan diameter | 6 cm |
| LED indicators | Yes |
| Type | NAS |
| Device class | Small & Medium Business |
| Backup function | Yes |
| Backup features | USB drive, iSCSI LUN |
| Buzzer | Yes |
| Snapshot | Yes |
| Management protocols | SNMP V2, V3 |
| Security algorithms | AES, FIPS 140, HTTPS, SSH |
| Access Control List (ACL) | Yes |
| Reset button | Yes |
| On/off switch | Yes |
| Built-in FTP server | Yes |
| Browser supported | Apple Safari (latest version) Google Chrome (latest version) Microsoft Edge (latest version) Mozilla Firefox (latest version) |
| System log | Yes |
| Hot spare | Yes |
| S.M.A.R.T. support | Yes |
| Share folder | CIFS/SMB |
| USB copy function | Yes |
| Operating system installed | QuTS hero |
| Operating system version | h5.0.1 |
| Windows operating systems supported | Windows 10, Windows 11, 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 |
| Server operating systems supported | Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019 |
| Other operating systems supported | IBM AIX 7.1, Solaris 10 |
| Power supply location | Built-in |
| Power supply unit (PSU) capacity | 250 W |
| Number of power supply units | 1 |
| Power consumption (typical) | 79.113 W |
| Power consumption (sleep) | 49.799 W |
| AC input voltage | 100 - 240 V |
| Fan voltage | 12 V |
| Width | 432 mm |
| Depth | 297.4 mm |
| Height | 88.6 mm |
| Weight | 7.61 kg |
| Cables included | AC, LAN (RJ-45) |
| Power cables quantity | 1 |
| Quick installation guide | Yes |
| Number of screws | 56 |
| Operating temperature (T-T) | 0 - 40 °C |
| Operating relative humidity (H-H) | 5 - 95% |
| Storage temperature (T-T) | -20 - 70 °C |
| Fibre Channel | Yes |
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