| Product Description |
QNAP TS-855eU-RP – NAS server |
| Device Type |
NAS server |
| Host Connectivity |
Gigabit Ethernet / 2.5 Gigabit Ethernet |
| Enclosure Type |
Rack-mountable – 2U |
| Installed Devices / Modules Qty |
0 (installed) / 8 (max) |
| Dimensions (WxDxH) |
17 in x 11.7 in x 3.5 in |
| Weight |
17.97 lbs () |
| Localization |
United States |
| Processor |
1 x Intel Atom C5125 2.8 GHz (8-core) |
| Storage Controller |
RAID SATA 6Gb/s RAID RAID 0, 1, 5, 6, 10, 50, 60, RAID TP, TM |
| Networking |
10Mb LAN, 100Mb LAN, GigE, 2.5 GigE |
| Performance |
Concurrent connections (CIFS): 2000 – (with maximum memory) ¦ Maximum pool size: 5 PB ¦ Maximum number of storage pool: 128 ¦ Maximum shared folder size: 5 PB ¦ Maximum number of shared folder: 256 ¦ Maximum LUN size: 1024 TB ¦ Maximum number of targets LUN: 128 ¦ Minimum snapshot interval: 1 minute ¦ Maximum FTP connection: 1024 ¦ Local user account: 16000 ¦ Local group account: 512 ¦ Domain user/group account: 200000 ¦ Log recording: 3000 events per second ¦ Virtual hosts: 32 ¦ Maximum number of version control: 64 |
| RAM |
8 GB (installed) / 64 GB (supported) – DDR4 |
| Power |
AC 100-240 V |
| Power Redundancy |
Yes |
| Storage Operating System |
QNAP QuTS hero h5.1.0 / QTS 5.1.0 |
| System Requirements |
Microsoft Windows Server 2008 R2, IBM AIX 7, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Ubuntu 14.04, Red Hat Enterprise Linux 6.6, Microsoft Windows Server 2016, Apple MacOS X 10.10 or later, CentOS 7.0, Microsoft Windows Server 2019, SuSE Linux 12 or later, Oracle Solaris 10 or later, Microsoft Windows 7 / 8 / 10 / 11 |
| Manufacturer Warranty |
3-year warranty |
| Total Storage Capacity |
0 GB |
| Width |
17 in |
| Depth |
11.7 in |
| Height |
3.5 in |
| Built-in Devices |
LED panel |
| Processors Installed |
1 x Intel Atom C5125 2.8 GHz |
| Number of Cores |
8-core |
| Max Supported Qty |
2 |
| Flash Memory Installed |
5 GB |
| Type |
RAID |
| Interface Type |
SATA 6Gb/s |
| RAID Level |
RAID 0, RAID 1, RAID 5, RAID 6, RAID 10, RAID 50, RAID 60, RAID TP, RAID TM |
| Data Link Protocol |
10Mb LAN, 100Mb LAN, GigE, 2.5 GigE |
| Network / Transport Protocol |
iSCSI, FTP, DHCP, SMB, DDNS, SFTP, IPv4, IPv6, TFTP, QuFTP |
| Remote Management Protocol |
SNMP 2, Telnet, SNMP 3, HTTP, HTTPS, TFTP, SSH, SFTP, RADIUS |
| Network Services Compatibility |
DHCP, DDNS, Microsoft CIFS, FTP, Server Message Block (SMB), Apple File Protocol (AFP), HTTP, HTTPS, Web-based Distributed Authoring and Versioning (WebDAV), SFTP, Network File System v3 (NFS v3), Network File System v4 (NFS v4) |
| Features |
Wake on LAN, reset switch, S.M.A.R.T. support, Secure Erase, dual boot, alarm buzzer, array roaming, on/off power switch, built-in 3 x 60 mm cooling fans |
| Encryption Algorithm |
FIPS 140-2, 256-bit AES, AES-NI |
| Expansion Bays |
8 (total) / 8 (free) x hot-swap – 2.5″ / 3.5″ |
| Expansion Slots |
2 (total) / 1 (free) x SO-DIMM 260-pin ¦ 2 (total) / 2 (free) x M.2 2280 ¦ 2 (total) / 2 (free) x PCI Express 3.0 x4 |
| Interfaces |
2 x 2.5 Gigabit Ethernet – RJ-45 ¦ 4 x USB 3.2 Gen 1 – Type A |
| Cables Included |
1 x network cable |
| Compliant Standards |
TLS v1.2, TLS v1.0, TLS v1.1, TLS v1.3 |
| Included Accessories |
24 x flat head screws (for 2.5″ HDD), 32 x flat head screws (for 3.5″ HDD), 2 x power cables |
| Power Device |
Internal power supply |
| Installed Qty |
2 |
| Voltage Required |
AC 100-240 V |
| Power Consumption Operational |
78.73 Watt (with drives fully populated) |
| Power Provided |
300 Watt |
| Software Included |
McAfee, IronWolf Health Management |
| OS Required |
Microsoft Windows Server 2008 R2, IBM AIX 7, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Ubuntu 14.04, Red Hat Enterprise Linux 6.6, Microsoft Windows Server 2016, Apple MacOS X 10.10 or later, CentOS 7.0, Microsoft Windows Server 2019, SuSE Linux 12 or later, Oracle Solaris 10 or later, Microsoft Windows 7 / 8 / 10 / 11 |
| Service & Support |
Limited warranty – 3 years |
| Min Operating Temperature |
32 °F |
| Max Operating Temperature |
104 °F |
| Humidity Range Operating |
5 – 95% RH (non-condensing) |
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