QNAP 24-Bay 2U 2.5" SAS/SATA-Enabled Unified Storage Enclosure

QNAP 24-Bay 2U 2.5" SAS/SATA-Enabled Unified Storage Enclosure

QNAP 24-Bay 2U 2.5" SAS/SATA-Enabled Unified Storage Enclosure

Special Order
Expected availability: 7-14 business days

Product Highlights

  • 24 x 2.5" SAS/SATA 3/6Gb/s HDD/SSD Bays
  • Quad Core Intel Xeon 3.4 GHz Processor
  • 8GB (2 x 4GB) DDR3 ECC RAM
  • 3,000+ MB/s Throughput & 400,000 IOPS
  • 2 x USB 3.0/4 x USB 2.0 Rear Ports
  • 4 x Gigabit (RJ-45) Ethernet Ports
  • 2 x PCIe 2.0 Expansion Slots
  • QTS User Interface
  • 3 x 2.4" Smart Cooling Fans
  • iSCSI And Virtualization Ready
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QNAP SS-EC2479U-SAS-RP overview

  • 1Description

The 24-Bay 2U 2.5" SAS/SATA-Enabled Unified Storage Enclosure from Qnap provides a reliable and scalable NAS solution for data backup, file synchronization, and remote access. It has 24 drive bays that support 2.5" SAS 6 Gb/s hard drives, driving over 3,000 MB/s throughput and 400,000 IOPS. The enclosure supports cross-platform file sharing, comprehensive backup solutions, iSCSI and virtualization applications, and many practical business functions, making it a suitable choice for SMBs to secure important business data. The enclosure also includes abundant multimedia applications backed by its powerful hardware specifications.

This 10GbE ready enclosure offers built-in Gigabit Ethernet ports and supports 10 Gigabit high speed network by installing 10GbE network adapter. With QTS's intuitive user interface, system operations of the enclosure are smooth and handy. Featuring a Quad Core Intel Xeon 3.4 GHz Processor and 8GB DDR3 ECC RAM, it enhances efficiency of CPU-consuming tasks and performs additional concurrent tasks at the same time. It supports online capacity expansion by cascading multiple RAID expansion enclosures to meet the needs of growing business data. With the QNAP scale-up solution, raw storage capacity can be gradually expanded to 664TB.

High Performance
The enclosure supports SAS 6 Gb/s hard drives driving over 3,000 MB/s throughput and 400,000 IOPS*. Featuring the Quad Core Intel Xeon 3.4 GHz Processor and 8GB DDR3 ECC RAM, it enhances efficiency of CPU-consuming tasks and serves more concurrent tasks at the same time. 1
QTS User Interface
With QTS's intuitive user interface, system operations of the enclosure are smooth and handy. Its intelligent desktop allows you to find the desired functions quickly, create desktop shortcuts or group shortcuts, monitor important system information on a real-time basis, and open multiple application windows to run multiple tasks concurrently, bringing better working efficiency.
SSD Cache Acceleration
The enclosure supports SSD caching which can boost IOPS performance of storage volumes. It is suitable for improving overall workflow of IOPS demanding applications, such as virtualization.
10GbE Ready
It offers four built-in Gigabit Ethernet ports and supports 10 Gigabit high speed network by installing a 10GbE network adapter. The 10GbE-ready enclosure delivers lightning data throughput. Coupled with the support for a large storage capacity, it is suitable for data centers to store big data and Excel in fast data transmission, and for editing large size videos on-the-go, without transferring the videos between the enclosure and desktop computers.
Seamless Capacity Expansion
The enclosure supports online capacity expansion by cascading multiple RAID expansion enclosures to meet the needs of growing business data. With the QNAP scale-up solution, raw storage capacity can be gradually expanded up to 664TB. It is especially useful for large data applications, such as video surveillance, data archiving, and TV broadcast storage, and more.
QNAP Flexible Volume
QNAP flexible volume provides a more secure and flexible way to store the NAS data. This next generation volume offers powerful features such as storage pooling with multiple RAID group protection, thin provisioned volume with space reclaim, block-level iSCSI LUN, and online capacity expansion. The QTS Storage Manager neatly presents tools and options for managing system storage, which simplifies the process of NAS capacity expansion and QNAP RAID expansion enclosure management.
Cross-Platform File Sharing, Centralized Data Storage
The enclosure supports SMB/CIFS, NFS, and AFP protocols for file sharing across Windows, Mac, Linux/UNIX networks. Data, logs, and ISO image of CDs and DVDs can be centrally stored in the NAS and protected by integrated anti-virus solution. The Windows AD and LDAP services enable system administrators to configure user permissions by using existing Windows AD server, LDAP server or NAS build-in LDAP service.
Well-Rounded Backup Solutions to Secure Data
It offers well-rounded backup solutions as a reliable backup center. QNAP NetBak Replicator supports scheduled and real-time data backup on Windows OS. Mac Time Machine is also supported to provide the Mac OS X users with an effortless solution to back up data to the enclosure.
Disaster Recovery Solutions
The enclosure offers various data recovery options. RTRR (Real-Time Remote Replication) supports real time or scheduled data backup to a remote Turbo NAS or FTP server and synchronizes files to a remote folder from a local folder with better backup efficiency and reduced backup time. It also supports rsync protocol to backup data to another remote server on scheduling basis. Besides, data can be backed up to cloud storage, such as Amazon S3, ElephantDrive, Symform, Dropbox, and Google Drive, and restored to the enclosure anytime.
Comprehensive Security Options
In the open network environment, business data might be exposed in potential hack. The enclosure provides numerous security options, such as encrypted access, IP blocking, and so on. Besides, IT administrators can control the access rights of each user to different folders, preventing unauthorized access to important files. The enclosure is validated with military level FIPS 140-2 AES 256-bit encryption, preventing the sensitive business data from unauthorized access and breach, even if the hard disk drives or the entire system were stolen.
Storage for Comprehensive Virtualization Applications
This enclosure is VMware Ready, Citrix Ready, compatible with Microsoft Hyper-V certification and Windows Server 2012, benefiting flexible deployment and management in the virtualization environments. It supports VMware VAAI and Microsoft ODX to increase performance by offloading ESXi server loading, and supports QNAP vSphere Client plug-in and QNAP SMI-S provider with enhanced efficiency of operations and management in virtualization applications.
Run Multiple Operating Systems
The Virtualization Station transforms this enclosure into a 2-in-1-box NAS that can function as an all-in-one NAS and a virtualization platform supporting multiple operating systems, fast virtual machine creation, virtual machine import/export, snapshot, and enables desktop operations on web browser. With the easy-to-use interface, you can centrally manage all virtual machines created on the enclosure with least efforts. Furthermore, you can download VMs on demand from the online VM markets and import them to enclosure to use directly without any complex procedure. 2
Highly-Efficient Storage Solution for Video Editing
Digital film and video production produces volumes of data that require high performance RAID storage with sustainable throughput to balance with the demanding output of video editing. The enclosure fulfills storage and video editing needs with a high speed 10GbE network interface. Digital videos can be quickly stored and edited on the enclosure directly over the network.
HIPAA Compliant Storage Solution
While medical data (e.g ePHI) constantly increases, IT administrators are required to develop a strategy of strong storage platforms within their medical organizations. This enclosure meets the electronic requirements of HIPAA for storing PHI data, by providing a base to protect the confidentiality and security of "individually identifiable health information".
File Synchronization across Multiple Devices
The Qsync utility turns your enclosure into a safe data center for file synchronization with large storage capacity. Any file uploaded to the enclosure will be made available for all linked devices, such as computers, laptops, or mobile devices. Qsync is especially useful for frequent travelers to manage files and always have the most updated files on different devices. It provides multiple ways of file synchronization and group file sharing, enhancing the flexibility of collaboration.
Comprehensive Surveillance Solution with 24/7 Security
The enclosure's Surveillance Station Pro offers a professional surveillance solution with the user-friendly NVR (Network Video Recorder) management interface, a wide range of over 1,200 compatible IP camera models, and expandable IP camera channel licenses. It supports real-time monitoring, video and audio recording and playback, with flexible options to customize. You can also install the VMobile app on your iOS or Android mobile devices to manage the monitoring channels anytime and anywhere, and safeguard your office environment.
Install-on-Demand Apps to Extend NAS Features
The enclosure has a built-in App Center providing various install-on-demand apps developed by QNAP and third-party developers, including backup/sync, business, content management, communications, download, entertainment, and so on. It's also a central place to manage and update installed apps. Besides, QNAP's development platform brings forth the open-source spirit to welcome program developers to develop various applications, adding values to the enclosure for extensive opportunities.

Additional SMB-Ready Features

FTP Server
The Turbo NAS supports FTP server to share large size files, coming with user-defined settings including bandwidth limitation, number of connections, and write-only permission.
Web Server
The Turbo NAS supports Web server which allows numerous websites built on the same server conveniently. Administrators can manage up to 32 websites on the single one Turbo NAS with reduced IT cost.
The Turbo NAS supports RADIUS server which provides centralized authorization management for computers to connect and use a network service.
VPN Server
The Turbo NAS supports VPN server which provides an easy way for IT administrators to build up a secure private network and allows the staff to log on from outside the office and access business resources securely such as files and Internet connections.
Printer Server
The Turbo NAS supports Printer Server to send remote printing request over the Internet (maximum 3 USB printers), and supports IPP (Internet Printing Protocol), Samba, print job management and Bonjour printing for Mac OS X.
Surveillance Station
The Turbo NAS supports Surveillance Station to connect and manage multiple IP cameras remotely, including real-time monitoring, video recording, playback, and event notifications.


Qfinder is a utility, available for Windows, Mac, and Linux, to quickly find and access the Turbo NAS over LAN. Install the Finder on your computer, open it, and double click your Turbo NAS name and the login page is ready for you. Windows version of the Qfinder provides a convenient way to connect to the Turbo NAS and map a network drive or a virtual disk. By creating a shared folder on the Turbo NAS and mapping it as a network drive, you can use it as an additional drive and store files on it as it is a local drive of the computer.
myQNAPcloud Connect
myQNAPcloud Connect helps you access the published services of the Turbo NAS quickly and securely on the Internet. myQNAPcloud Connect application is designed for Windows PC users. By installing the myQNAPcloud Connect, you will be able to connect to the Turbo NAS and easily manage files by drag-and-drop within the Windows Explorer.
Qsync is a useful tool to synchronize files in multiple computers. It creates a specific "Qsync folder" in your devices that you can simply drop files in, and synchronizes the files to all your devices linked to the Turbo NAS.
Full Sync
Whenever you add, edit, delete, or rename a file on one computer, the change applies to all others linked with the Turbo NAS, so you have exactly identical contents on all your devices.
Smart Sync
It allows you to remove files on one computer, without affecting the copies stored on others that are linked with the Turbo NAS. However, when someone updates the files you deleted from another computer, you can still retrieve them in the Qsync folder.
Advanced Selective Sync
With both, Full Sync or Smart Sync options, you can choose to only sync specific sub-folders within the Qsync folder, which is useful if your computers have limited storage.
Share Files and Folders Easily
You can create download links to share files with people, even if they don't have an account on the Turbo NAS. This reduces the time in creating user account and password for users. You can create sub-folders within the Qsync folder, and share each with different groups of Turbo NAS users as a file exchange center. Everyone in the same sub-folder is always kept up-to-date with the latest version of the files.
QNAP NetBak Replicator
The QNAP NetBak Replicator, provided with any Turbo NAS unit free-of-charge, helps you easily back up files from Windows PC, entire disk drives, documents, pictures, music, videos, fonts, emails, and more to the Turbo NAS. You can do the backup task in just a few clicks using NetBak Replicator by the setting of real-time synchronization, scheduled backup, and auto-backup from multiple PCs to the Turbo NAS. NetBak Replicator also supports backing up to a remote server via FTP and WebDAV through the Internet. You can backup new photos whenever on vacation, even you are away from home.
QGet is a powerful utility for download management. The software is available for Windows and Mac computers, allowing the management of BT, HTTP, and FTP download tasks of Download Station on multiple Turbo NAS servers. QGet enables you to add, remove, or watch your BT download jobs from LAN or WAN. You can manage your download tasks in school or at work. QGet supports intuitive drag and drop of torrent files, HTTP or FTP URL to the software interface for convenient adding of download tasks.
vSphere Client Plug-In
The Turbo NAS supports vSphere Client Plug-in that allows managing VMware datastores on the Turbo NAS directly from the vSphere client console. In a large-scale server virtualization environment, management is centralized and straightforward. Administrators can easily control the status of the Turbo NAS and datastores and create additional datastores to multiple ESXi hosts in just a few clicks. 3
Qsnap is a handy utility assisting you to quickly capture screenshots on your PC, and easily edit, save, and share, enabling quick note-taking or productive communication in your work and life. Hot-key capturing is designed for taking PC screenshots without complicated mouse operations. Easy editing allows you to add emphasis or remove unnecessary elements with a range of editing tools. The instant sharing allows simply drag-and-drop the screenshots to instant messengers and emails as attachments to share.
UPC: 885022004614
In the Box
QNAP 24-Bay 2U 2.5" SAS/SATA-Enabled Unified Storage Enclosure
  • CD-ROM
  • 4 x Ethernet Cable
  • Power Cord
  • 96 x Flat Head Screw
  • Limited 2-Year Warranty
  • Table of Contents
    • 1Description

    QNAP SS-EC2479U-SAS-RP specs

    CPU Quad Core Intel Xeon 3.4 GHz E3-1245 v2 processor
    Memory System Memory: 8 GB (2 x 4 GB) DDR3 ECC RAM
    Total Memory Slots: 4
    Memory Expandable: Up to 32 GB (4 x 8 GB)*

    When upgrading RAM to more than 24GB, the original 4GB RAM modules must be removed.

    Flash Memory 512 MB DOM
    Drive Bays 24 x 2.5" SAS/SATA 6 Gb/s, SAS/SATA 3 Gb/s hard drive or SSD hard drive All trays are hot-swappable and lockable

    The standard system is shipped without hard drives.

    LAN Port 4 x Gigabit (RJ-45) Ethernet port
    (Expandable up to 8 x 1 Gb LAN or 4 x 10 Gb + 4 x 1 Gb LAN by installing optional dual-port 10 Gb and 1 Gb network card)
    USB Ports 2 x USB 3.0 ports (rear)
    4 x USB 2.0 ports (rear)
    Supports USB printer, pen drive, USB hub, and USB UPS etc.
    Supported Storage Expansion Options Total: 2
    1 x PCIe Gen2 x4 and 1 x PCIe Gen2 x8
    Fan 3 x 2.4" (6.0 cm) smart cooling fans
    Sound Level Sound Pressure (LpAm) (by stander positions): 43.4 dB

    With 24 x Seagate ST9300653SS hard drive installed

    Power Supply Input: 100 to 240 VAC, 50 - 60 Hz
    Output: 600 W
    Power Consumption HDD Standby: 138.7 W
    In Operation: 270 W

    With 24 x Seagate ST9300653SS hard drive installed

    LED Indicators For status, 10 GbE, LAN, storage expansion port status
    Buttons System: Power button and reset button
    Alarm Buzzer System warning
    Operating System Support Embedded Linux
    Supported Clients: Windows XP, Vista, Windows 7 (32/64-bit), Windows 8 (32/64-bit), Windows Server 2003/2008 R2/2012
    Apple Mac OS X
    Linux and UNIX
    Disk Management QNAP flexible volume with thin-provisioning and space reclamation supported
    Supports storage pool
    Online volume expansion
    Online storage pool expansion
    Single Disk, JBOD, RAID 0, 1, 5, 6, 10
    Online RAID capacity expansion and online RAID level migration
    SMART data 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 and Network UPS support with SNMP management
    Access Right Management Maximum Number of Users: 4,096
    Maximum Number of User Groups: 512
    Maximum Number of Network Shares: 512
    Maximum Number of Concurrent Connections: 256
    Batch Users Creation
    Import/Export Users
    User Quota Management
    Local user access control for CIFS, AFP, FTP, and WebDAV
    Subfolder permissions support for CIFS/SMB, AFP, FTP, and Web File Manager
    Browser Support Microsoft Internet Explorer 10
    Mozilla Firefox 8+
    Apple Safari 4+
    Google Chrome
    Multilingual Support Chinese (Traditional and Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, and Turkish
    Domain Authentication Integration Microsoft Active Directory (AD)
    LDAP server
    LDAP Client
    Domain users login via CIFS/SMB, AFP, FTP, and file station
    File System Internal Hard Drive: EXT3, EXT4
    External Hard Drive: EXT3, EXT4, NTFS, FAT32, HFS+
    Web Administration Multi-window, Multi-tasking based system management
    Movable icons and personalized desktop
    Smart toolbar and dashboard for neat display on system status
    Smart fan control
    Dynamic DNS (DDNS)
    SNMP (v2 & v3)
    Resource monitor
    Network Recycle Bin for file deletion via CIFS/SMB and AFP
    -Automatic cleanup
    -File type filter
    Comprehensive logs (events & connection)
    Syslog client
    Firmware live update
    System settings backup and restore
    Restore to factory default
    Mobile app qmanager for remote monitoring
    Networking TCP/IP (IPv4 & IPv6: Dual Stack)
    Dual Gigabit NICs with jumbo frame*
    -Multi-IP settings
    -Port Trunking/NIC teaming (Modes: Balance-RR, active backup, balance XOR, broadcast, IEEE 802.3ad/link aggregation, balance-TLB and balance-ALB)
    Service binding based on network interfaces*
    Proxy client, Proxy server
    DHCP client, DHCP server
    Protocols: CIFS/SMB, AFP (v3.3), NFS (v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, and SMSC
    UPnP and bonjour discovery
    USB Wi-Fi adapter support
    File Server File sharing across Windows, Mac, and Linux/UNIX
    Protocols: CIFS/SMB, AFP, NFS, FTP/FTPS, HTTP/HTTPS (Web File Manager), WebDAV Windows ACL
    Advanced Folder Permission for CIFS/SMB, AFP, FTP
    Shared folder aggregation (CIFS/SMB)
    Security IP filter and policy-based automatic IP blocking
    Network Access Protection with Auto-Blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
    Encrypted Access: HTTPS, FTP with SSL/ TLS (explicit), SSH/SFTP (admin only), Encrypted Remote Replication (Rsync over SSH)
    CIFS host access control for shared folders
    Antivirus protection
    FIPS 140-2 validated AES 256-bit volume-based data encryption**
    AES 256-bit external drive encryption*
    Importable SSL certificate
    Instant alert via E-mail, SMS, beep, and LCD panel*

    ** The data encryption functions may not available in accordance with the legislative restrictions of some countries.

    File Station Supports ISO mounting (up to 256 ISO files)
    Creates and sends download links for sharing public files with expiration time and password protection
    Drag-n-drop files via Chrome and Firefox browsers
    Photo, music, and video preview and playback empowered by built-in Transcoding technology File compression (ZIP or 7z)
    Advanced search
    Mobile App: Qfile for file browsing and management
    FTP Server FTP over SSL/TLS (explicit)
    Concurrent Connections: Maximum 256
    Passive FTP port range control
    FTP bandwidth and connection control
    Supports FXP and Unicode
    Print Server Max Number of Printers: 3
    Supports Internet printing protocol
    Print job display and management
    IP-based and domain name-based privilege control
    Supports Apple Bonjour printing
    Backup Station Remote replication server (over Rsync)
    Real-Time Remote Replication (RTRR) to another QNAP NAS or FTP server
    Works as both RTRR server and client with bandwidth control
    Real-time and scheduled backup
    Encryption, compression, file filter, and transfer rate limitation
    Encrypted replication between QNAP NAS servers
    Desktop backup by QNAP NetBak replicator for Windows
    Apple Time Machine support with backup management
    Data backup to multiple external storage devices
    Synchronizes with Cloud Storage: Amazon S3, ElephantDrive, Symform, Dropbox, and Google Drive
    Third Party Backup Software Support: Veeam Backup and replication, Acronis True
    Image, ARCserve Backup, EMC Retrospect, Symantec Backup Exec, LaCie SilverKeeper, etc.
    Database Server Built-in MySQL server
    Web-based management via phpMyAdmin
    iSCSI (IP SAN) iSCSI target
    Multi-LUNs per target
    Up to 256 Targets/LUNs combined
    Supports LUN mapping & masking
    Block-based LUN
    Thin-provisioned LUN with Space Reclamation supported
    Online LUN capacity expansion
    Supports SPC-3 Persistent reservation
    Supports MPIO & MC/S
    iSCSI LUN backup, one-time snapshot, and restore
    iSCSI connection and management by QNAP Finder (Windows)
    Virtual Disk Drive (via iSCSI Initiator)
    Stack chaining master
    Max Number of Virtual Disk Drives: 8
    RADIUS Server Centralized account management and authentication for Network access
    Supports 802.1x security authentication
    TFTP server with PXE booting (read-only)
    Server Virtualization and Clustering VMware vSphere (ESX/ESXi 4.x, 5.x) VMware VAAI for iSCSI and VAAI for NAS vSphere Plug-in Citrix XenServer (6.0) Windows Server 2012 Hyper-V Supports Microsoft ODX QNAP SMI-S provider for Microsoft SCVMM Windows Server 2012 Failover Clustering
    VPN Server Secure Remote Access: PPTP and OpenVPN VPN services
    Remote access to other resources on local network
    Maximum Number of Clients: 30
    Surveillance Station Pro Supports over 1,400 IP cameras
    Includes 1 free camera license
    Up to 16 camera channels via additional license purchase*
    Intelligent video analytics (IVA) for advanced video search
    Visual aid by e-map
    Surveillance client for Mac
    Mobile App: VMobile (iOS and Android)
    Storage Plug & Connect via Windows Qfinder Create and map shared folders
    Create and connect to iSCSI target/LUN
    myQNAPcloud Service Private cloud storage and sharing
    Free Host Name Registration (DDNS)
    Auto Router configuration (via UPnP)
    CloudLink for remote access without complicated router setup
    myQNAPcloud Connect for easy VPN connection (Windows VPN utility)
    Antivirus Protection against Viruses, Trojans, and other threats
    Free Virus databases update on manual or scheduled basis
    Multiple Scan Tasks (Maximum: 64, Concurrent: 5) with custom folder selection and scheduled scanning
    Email notification upon task completion or virus detection
    Quarantines or deletes infected files
    Qsync Syncs files among multiple devices through the NAS
    Option for not removing files on the NAS during synchronization
    Selective synchronization
    Shares securely with SSL
    Team folder
    Shares files by links via email
    Uploads photos or videos to Qsync folder automatically via Qfile
    Restores files from network Recycle Bin
    File name conflict policy
    Option for filter settings
    Privilege control for Qsync users
    Supports Windows and Mac OS
    App Center Add new features by online installation of over 90 official and community software
    Web Server HTTP/HTTPS connections
    Built-in MySQL server
    Web-based management via phpMyAdmin (QPKG)
    Virtual Hosts: Maximum 32
    Syslog Server Centralized log monitoring and archiving
    Immediate email alerts
    Supports log filtering
    Environmental Requirementsuufftuvtudwbevwsvrycav
    Temperature 32 to 104°F (0 to 40˚C)
    Relative Humidity 5 to 95% (non-condensing)
    Wet Bulb: 81°F (27˚C)
    Physical Specifications
    Form Factor 2U, rackmount
    Dimensions (W x H x D) 17.28 x 3.46 x 20.47" (439.00 x 88.00 x 520.00 mm)
    Weight 23.8 lb (10.8 kg)
    Packaging Info
    Package Weight 50.35 lb
    Box Dimensions (LxWxH) 29.5 x 23.5 x 12.5"
    Note: * These features may vary according to different models.

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