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QNAP TS-251D-4G-US Intel Dual-Core Multimedia NAS Server for SMB

TS-251D-4G-US QNAP TS-251D-4G-US Intel Dual-Core Multimedia NAS Server for SMB
TS-251D-4G-US QNAP TS-251D-4G-US Intel Dual-Core Multimedia NAS Server for SMB
TS-251D-4G-US QNAP TS-251D-4G-US Intel Dual-Core Multimedia NAS Server for SMB
TS-251D-4G-US QNAP TS-251D-4G-US Intel Dual-Core Multimedia NAS Server for SMB
*Image may not reflect most recent product revision
Price Alert
Part#: QP-251D4G
Package: OEM
Manufacturer: QNAP
Manufacturer Part#: TS-251D-4G-US
Shipping Weight: 7.75 lbs.(3.52 kg)

Price: $318.50

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Product Info Reviews Warranty

Product Info:

    Specifications

    • Mfr Part Number: TS-251D-4G-US
    • Hardware:
      • CPU: Intel Celeron J4005 dual-core 2.0 GHz processor (burst up to 2.7 GHz)
      • Encryption Acceleration
      • System Memory: 4 GB SO-DIMM DDR4 (1 x 4 GB)
      • Maximum Memory: 8GB (2x 4GB)
      • Memory Slot: 2 x SO-DIMM DDR4
      • Flash Memory: 4GB (Dual boot OS protection)
      • Drive Bay: 2 x 3.5-inch SATA 6Gb/s, 3Gb/s
      • Gigabit Ethernet Port (RJ45): 1
      • 5 Gigabit Ethernet Port (5G/2.5G/1G/100M): Expandable with an optional PCIe adapter
      • 10 Gigabit Ethernet Port: Expandable with an optional PCIe adapter
      • USB Port: 3x USB 2.0 Ports, 2x USB 3.2 Gen 1 port
      • PCIe Slot: Slot 1: PCIe Gen 2 x4
      • LED Indicator: Status/Power, LAN, USB, HDD 1-2
      • Button: Power, Reset, USB copy
      • System Warning: Buzzer
      • Operating System: QTS 4.4.1 (embedded Linux)
    • Network & Virtual Switch:
      • TCP/IP: Dual stack (IPv4 and IPv6)
      • Jumbo frame
      • Port trunking(Link aggregation)
        • failover
        • Load balancing
      • DHCP server and client
      • RADVD
      • USB Wi-Fi adapter Note: This feature does not support ad hoc networks because of security considerations.
      • Virtual switch
        • Network Address Translation (NAT)
        • Spanning Tree Protocol (STP)
        • Thunderbolt to Ethernet converter (T2E)
        • Software-Defined Switch mode
      • Static Route
      • NCSI (Network Connectivity Status Indicator)
      • DDNS settings (Customize & Multiple Service)
    • Security:
      • Network access protection with auto-blocking - SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
      • Host access control for shared folders (CIFS/SMB)
      • AES 256-bit folder-based and volume-based encryptions which are validated by FIPS 140-2 CAVP (Cryptographic Algorithm Validation Program)
      • 256-bit external drive encryption
      • Importable SSL certificates
      • Instant alert via E-mail, SMS, beep, and push service
      • 2-step verification
    • Storage Management:
      • Supported RAID types: RAID 0, 1, JBOD, Single
      • RAID Hot Spare and Global Hot Spare
      • RAID Rebuild Speed Customization
      • Online RAID capacity expansion
      • Online RAID level migration
      • SSD RAID Over-provisioning Note: RAID 0 and JBOD Data RAID does not support Over-provisioning.
      • SSD RAID Performance evaluation (with SSD Profiling Tool)
      • SSD TRIM for RAID 0,1
      • Bitmap support
      • Disk auto S.M.A.R.T. data migration
      • Disk bad block scan and S.M.A.R.T test.
      • Disk bad block recovery
      • Disk secure data erase
      • Ironwolf Health Management
      • Storage pools
      • Qtier Data Tiering Technology
        • Automatic or scheduled data tiering
        • IO-aware auto tiering
        • Shared folder tiering on demand
      • Flexible volumes and LUNs with thin provisioning and space reclaiming
        • If the NAS has less than 4GB RAM, then the maximum volume capacity is 144TB.
        • If the NAS has at least 4GB RAM, then the maximum volume capacity is 250TB.
      • Online volume expansion
      • Volume type conversion
      • Volume shrink
      • Storage space utilization
      • Snapshots
        • Volume and LUN snapshots
        • Snapshot Dashboard
        • Snapshot Manager
        • Snapshot local restore and revert
        • Snapshot Clone
        • Snapshot Replica and Snapshot Vault
        • Snapshot remote restore and revert
        • Unified Snapshot Directory
        • Support for Windows Previous Versions (CIFS/SMB)
        • Snapshot Agent for Microsoft Windows and VMware vSphere
      • Storage expansion using QNAP expansion units J
      • BOD enclosure roaming
      • SSD read-only and read-write cache
      • SSD write-only cache
    • File System:
      • Internal HDD: EXT4
      • External HDD: EXT3, EXT4, NTFS, FAT32, HFS+, exFAT
    • Form Factor: Tower
    • Security Slot: Kensington security slot
    • Fan: 1 x 70mm
    • Power Supply Unit: External Power Adapter, 65W, 100-240V
    • Dimensions (WxDxH): 4.13 x 8.90 x 6.61 inch
    • Weight: 3.26 lbs
    ** This item is eligible for replacement only and is NON REFUNDABLE!! **
* Product descriptions and part numbers are subject to change, and may not reflect manufacturer product changes. Please check the manufacturer's website and use the item's manufacturer part number to find the most up to date product description.

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