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The HS-251+, powered by a quad-core Intel Celeron 2.0GHz processor, was created as a silent NAS solution that allows users to enjoy files and media with no distractions, providing a perfect match for home theater enthusiasts and audiophiles looking to maximize their audiovisual experience and users who wish to constantly run their systems without any background noise. Coupled with the support of HDMI connectivity for 1080p video playback and hardware transcoding capability, the HS-251+ is an ideal companion at home for multimedia entertainment. Being fanless, the HS-251+ has no internal moving parts for improved reliability and remains clean and dust-free even after long-term usage. The HS-251+ is best used with SSDs or WD Red & Seagate NAS drives as a reliable storage solution.
| Product Description | QNAP HS-251+ Silent NAS - NAS server - 2 TB | Device Type | NAS server | Host Connectivity | Gigabit Ethernet | Total Storage Capacity | 2 TB | Installed Devices / Modules Qty | 2 (installed) / 2 (max) | Dimensions (WxDxH) | 30.2 cm x 22 cm x 4.13 cm | Weight | ) | Processor | 1 x Intel Celeron 2 GHz (Quad-Core) | Storage Controller | RAID SATA 6Gb/s RAID RAID 0, 1, JBOD | Hard Drive | 2 x 1 TB | Networking | 10Mb LAN, 100Mb LAN, GigE | IP Cameras Supported | 40 | RAM | 2 GB | Power | AC 120/230 V | Storage Operating System | QNAP QTS 4.2 | System Requirements | UNIX, Linux, Apple MacOS X, Microsoft Windows Server 2003, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows 7 / 8 (32/64 bits) |
General | |
| Device Type | NAS server |
| Host Connectivity | Gigabit Ethernet |
| Total Storage Capacity | 2 TB |
| Installed Devices / Modules Qty | 2 (installed) / 2 (max) |
| Width | 30.2 cm |
| Depth | 22 cm |
| Height | 4.13 cm |
| Weight | ) |
| Built-in Devices | Led panel |
Processor / Memory | |
| Processors Installed | 1 x Intel Celeron 2 GHz |
| Number of Cores | Quad-Core |
| Max Supported Qty | 1 |
| RAM | 2 GB DDR3L |
| Flash Memory Installed | 512 MB |
Storage Controller | |
| Type | RAID |
| Interface Type | SATA 6Gb/s |
| RAID Level | RAID 0, RAID 1, JBOD |
Hard Drive | |
| Type | HDD - hot-swap |
| Capacity | 2 x 1 TB |
Networking | |
| Data Link Protocol | 10Mb LAN, 100Mb LAN, GigE |
| Network / Transport Protocol | TCP/IP, PPTP, L2TP, IPSec, iSCSI, SMTP, FTP, DHCP, Bonjour, SMB, DDNS |
| Remote Management Protocol | SNMP, Telnet, HTTP, HTTPS, TFTP, SSH |
| Network Services Compatibility | Microsoft Active Directory (AD), Apple Bonjour Protocol, DHCP, DDNS, Microsoft CIFS, Network File System (NFS), FTP, FTPS, Server Message Block (SMB), Apple File Protocol (AFP), HTTP, HTTPS, Web-based Distributed Authoring and Versioning (WebDAV) |
| Features | Trunking, LDAP support, wake on LAN (WOL), Syslog support, manageable, E-mail alert, print server, IPv6 support, 256-bit encryption, proxy server, backup server, download client, file sharing, event log, Trivial File Transfer Protocol (TFTP) support, Access Control List (ACL) support, SSH support, iTunes server, Jumbo Frames support, DHCP server, FTP server, SMS alert, BitTorrent Client, UPnP Media Server, bandwidth control, IPv4 support, surveillance station, teaming support, DLNA Media Server, Apple Time Machine compatible, DHCP client, cloud backup, VPN Server, SFTP client, SNMP support, Apple AirPlay, Dropbox support, Real-time Remote Replication (RTRR) |
| Encryption Algorithm | SSL, TLS, FIPS 140-2, 256-bit AES |
| Compliant Standards | DLNA CERTIFIED, UPnP |
Security DVR | |
| IP Cameras Supported | 40 |
Expansion / Connectivity | |
| Expansion Bays | 2 (total) / 0 (free) x hot-swap - 2.5" / 3.5" |
| Interfaces | 2 x Ethernet 1000Base-T - RJ-45 , 2 x USB 3.0 - Type A , 2 x USB 2.0 - Type A , 1 x HDMI output |
Miscellaneous | |
| Cables Included | 2 x network cable |
| Features | Security lock slot (cable lock sold separately), audible alarm, fanless, remote control |
| Compliant Standards | FIPS 140-2 |
| Included Accessories | Remote control |
Power | |
| Power Device | External power adapter |
| Voltage Required | AC 120/230 V |
| Power Provided | 60 Watt |
Software / System Requirements | |
| Storage Operating System | QNAP QTS 4.2 |
| OS Required | UNIX, Linux, Apple MacOS X, Microsoft Windows Server 2003, Microsoft Windows Server 2008 R2, Microsoft Windows Server 2012, Microsoft Windows Server 2012 R2, Microsoft Windows 7 / 8 (32/64 bits) |
Environmental Parameters | |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 40 °C |
| Humidity Range Operating | 5 - 95% (non-condensing) |
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