QNAP TS-251D - NAS server - 2 bays - SATA 6Gb / s - RAID 0, 1, JBOD - RAM 2 GB - Gigabit Ethernet - iSCSI support
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Article: 1747209 Intrastat: 84717020 SKU: TS-251D-2G
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| Device Type | NAS server |
| Host Connectivity | Gigabit Ethernet |
| Total Storage Capacity | 0 GB |
| Installed Devices / Modules Qty | 0 (installed) / 2 (max) |
| Width | 10.5 cm |
| Depth | 22.6 cm |
| Height | 16.8 cm |
| Weight | 1.48 kg () |
| Built-in Devices | Led panel |
| Processors Installed | 1 x Intel Celeron J4005 2 GHz |
| Number of Cores | Dual-Core |
| Max Supported Qty | 1 |
| Max Turbo Speed | 2.7 GHz |
| RAM | 2 GB (installed) / 8 GB (supported) - DDR4 |
| Flash Memory Installed | 4 GB |
| Type | RAID |
| Interface Type | SATA 6Gb/s |
| RAID Level | RAID 0, RAID 1, JBOD |
| Data Link Protocol | 10Mb LAN, 100Mb LAN, GigE |
| Network / Transport Protocol | TCP/IP, PPTP, L2TP, IPSec, iSCSI, SMTP, FTP, DHCP, SMB, DDNS |
| Remote Management Protocol | SNMP 2, Telnet, SNMP 3, HTTP, HTTPS, TFTP, SSH |
| Network Services Compatibility | Microsoft Active Directory (AD), 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 | NAT support, LDAP support, wake on LAN (WOL), Syslog support, E-mail alert, firmware upgradable, Spanning Tree Protocol (STP) support, download client, event log, Access Control List (ACL) support, Jumbo Frames support, DHCP server, SMS alert, BitTorrent Client, UPnP Media Server, bandwidth control, surveillance station, teaming support, DHCP client, static routing, cloud backup, VPN Server, Apple AirPlay, Link Aggregation, scheduler, VPN client, DLNA support, Chromecast support, port trunking, IFTTT agent, FXP support, Qcontactz, Qfinder Pro, IPv4 and IPv6 dual stack, OpenVPN server, VJBOD Cloud, myQNAPcloud, Qsync |
| Encryption Algorithm | SSL, TLS 1.0, TLS 1.1, TLS 1.2 |
| Compliant Standards | DLNA CERTIFIED, UPnP |
| Expansion Bays | 2 (total) / 2 (free) x internal - 3.5" |
| Expansion Slots | 2 (total) / 1 (free) x DIMM 288-pin ¦ 1 (total) / 1 (free) x PCI Express 2.0 x4 |
| Interfaces | 1 x Ethernet 1000Base-T - RJ-45 ¦ 2 x USB 3.0 - Type A ¦ 3 x USB 2.0 - Type A ¦ 1 x HDMI output |
| Cables Included | 1 x network cable |
| Features | Security lock slot (cable lock sold separately), built-in cooling fan |
| Security Slot Type | Kensington security slot |
| Included Accessories | 6 x flat head screws (for 2.5" HDD), 8 x flat head screws (for 3.5" HDD), power cable |
| Power Device | External power adapter |
| Voltage Required | AC 120/230 V |
| Power Consumption Operational | 15.25 Watt () |
| Power Provided | 65 Watt |
| Storage Operating System | QNAP QTS 4.4.1 |
| OS Required | UNIX, Linux, Microsoft Windows Server 2003, Microsoft Windows Server 2008 R2, Apple MacOS X 10.7 or later, Microsoft Windows Server 2012, Microsoft Windows 7 / 8 / 10, Microsoft Windows Server 2016, Microsoft Windows Server 2019 |
| Shipping Weight | 2.58 kg |
| Min Operating Temperature | 0 °C |
| Max Operating Temperature | 40 °C |
| Humidity Range Operating | 5 - 95% (non-condensing) |
| Sound Emission | 16.7 dBA |
