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HS-251 2-BAY FANLESS PERSONAL CLOUD NAS
Part number: HS-251+-US Manufacturer: QNAP
HS-251 2-BAY FANLESS PERSONAL CLOUD NAS
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    General Information
    Manufacturer
    QNAP Systems
    Manufacturer Part Number
    HS-251-US
    Manufacturer Website
    http://www.qnap.com
    Manufacturer Website Address
    Brand Name
    QNAP
    Product Model
    HS-251
    Product Name
    HS-251 NAS Server
    Marketing Information
    Silent & dust-free

    The HS-251 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. 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.

    Modern & stylish

    Created for the living room with a revolutionary fanless architecture, the HS-251 features a modern set-top design that fits alongside your HDTV, game consoles and other elements of your digital lifestyle. Underneath the stylish & compact brushed metal aluminum body, the HS-251 is packed full of cutting-edge features & apps to provide day-to-day entertainment, storage, and backup needs. The HS-251 is easy to use and maintain. With its accessible layout, adding and removing drives are remarkably easy even for beginners.

    Product Type
    NAS Server
    Storage
    Number of Hard Drive Install
    No
    Number of Hard Drives Supported
    2
    Number of Hard Drives Installed
    No
    Hard Drive Configuration
    Processor & Chipset
    Number of Processors Install
    1
    Processor Manufacturer
    Intel
    Processor Type
    Celeron
    Number of Processors Installed
    1
    Processor Core
    Dual-core (2 Core)
    Processor Speed
    2.41 GHz
    Memory
    Standard Memory
    1 GB
    Memory Technology
    DDR3L SDRAM
    Maximum Memory
    8 GB
    Network & Communication
    Ethernet Technology
    Gigabit Ethernet
    I/O Expansions
    Number of Total Expansion Bays
    2
    Number of 2.5"/3.5" Bays
    Controllers
    Controller Type
    Serial ATA/600
    RAID Support
    Yes
    RAID Supported
    RAID Levels
    JBOD
    0
    1
    JBOD
    0
    1
    Interfaces/Ports
    HDMI
    Yes
    Total Number of USB Ports
    4
    Number of USB 2.0 Ports
    2
    Number of USB 3.0 Ports
    Network (RJ-45)
    Yes
    Software
    Operating System
    QTS 4.1
    Management & Protocols
    Protocols
    TCP/IP
    IPv4
    IPv6
    DHCP
    CIFS/SMB
    AFP 3.3
    NFSv3
    FTP
    FTPS
    SFTP
    TFTP
    HTTP
    HTTPS
    Telnet
    SSH
    iSCSI
    SMTP
    SMSC
    SSL/TLS
    FXP
    RSync
    DDNS
    SNMPv3
    SNMPv2
    LDAP
    TCP/IP
    IPv4
    IPv6
    DHCP
    CIFS/SMB
    AFP 3.3
    NFSv3
    FTP
    FTPS
    SFTP
    TFTP
    HTTP
    HTTPS
    Telnet
    SSH
    iSCSI
    SMTP
    SMSC
    SSL/TLS
    FXP
    RSync
    DDNS
    SNMPv3
    SNMPv2
    LDAP
    Management

    Storage Management

    • Online Volume Expansion
    • Single Disk, JBOD, RAID 0, 1
    • Online RAID Capacity Expansion
    • Online RAID Level Migration
    • Bad block scan and hard drive S.M.A.R.T.
    • Bad block recovery
    • RAID recovery
    • Bitmap support

    Power Management

    • Wake on LAN
    • Internal hard drive standby mode
    • Scheduled power on/off
    • Automatic power on after power recovery
    • USB andnetwork UPS support with SNMP management
    • System sleep mode (S3)
    Access Right Management
    • Batch users creation
    • Import/export users
    • User quota management
    • Local user access control for CIFS, AFP, FTP, and WebDAV
    • Application access control for Photo Station, Music Station, Video Station, and Multimedia Station
    • Subfolder permissions support for CIFS/SMB, AFP, FTP, and File Station

    myQNAPcloud Service

    • Private cloud storage and sharing with myQNAPcloud id (qid)
    • Free host name registration (DDNS)
    • Auto router (via UPnP) configuration
    • Web-based file manager with HTTPS 2048-bit encryption
    • Cloudlink for remote access without complicated router setup
    • myQNAPcloud connect for easy VPN connection (WindowsVPN utility)
    Power Description
    Input Voltage
    120 V AC
    230 V AC
    Power Supply Wattage
    60 W
    Physical Characteristics
    Height
    1.6"
    1.6" (41.3 mm)
    1.6"
    1.6" (41.3 mm)
    Color
    Black
    Width
    8.7"
    8.7" (220 mm)
    8.7"
    8.7" (220 mm)
    Depth
    11.9"
    11.9" (302 mm)
    11.9"
    11.9" (302 mm)
    Form Factor
    Desktop
    Weight (Approximate)
    3.44 lb
    1.56 kg
    3.44 lb
    1.56 kg
    Miscellaneous
    Package Contents
    • HS-251 NAS Server
    • 2 x Ethernet Cables
    • Quick Installation Guide
    • Power Cord
    • 6 x Flat head screw (for 2.5" HDD)
    • 8 x Flat head screw (for 3.5" HDD)
    • Adaptor