Qnap Ts-853Du-Rp-4G-Us Intel Celeron J4125 2.0Ghz/ 4Gb Ddr4/ 2.5Gbe/ 8 Sata/ Usb3.2/ 2U Rackmount Nas For Office

Description :

• Mfr Part Number: TS-853DU-RP-4G-US
• Hardware:
  • CPU: Intel Celeron J4125 quad-core 2.0 GHz processor (burst up to 2.7 GHz)
  • CPU Architecture: 64-bit x86
  • Graphic Processors: Intel HD Graphics 600
  • Floating Point Unit: Yes
  • Encryption Engine: AES-NI
  • Hardware-accelerated Transcoding: Yes
  • System Memory: 4 GB SO-DIMM DDR4 (1 x 4 GB)
  • Maximum Memory: 8 GB (2 x 4GB)
  • Memory Slots: 2 x SO-DIMM DDR4
  • Flash Memory: 4GB (Dual boot OS protection)
  • Drive Bay: 8 x 3.5-inch SATA 6Gb/s, 3Gb/s. The system is shipped without HDD
  • Drive Compatibility: 3.5-inch bays - 3.5-inch SATA hard disk drives, 2.5-inch SATA hard disk drives, 2.5-inch SATA solid state drives
  • Hot-swappable: Yes
  • M.2 SSD Slot: Optional via a PCIe adapter
  • SSD Cache Acceleration Support: Yes
  • LAN Port: 2 x 2.5 Gigabit Ethernet Port (2.5G/1G/100M)(also support 10M)
  • Wake on LAN (WOL): Yes
  • Jumbo Frame: Yes
  • PCIe Slot: 1 - Slot 1: PCIe Gen 2 x2
  • USB: 2 x USB 2.0 port, 2 x USB 3.2 Gen 1 port, USB 3.2 Gen 2 (10Gbps) Port: Optional via a PCIe adapter
  • HDMI Output: 1 x  HDMI 1.4b
  • LED Indicators: HDD 1-8, Status, LAN, Expansion, Power
  • Buttons: Power, Reset
  • Operating temperature: 0 - 40 C (32F - 104F)
  • Storage Temperature: -20 - 70C (-4F - 158F)
  • Relative Humidity: 5-95% RH non-condensing, wet bulb: 27C (80.6F)
  • Sound Level: 23.6 db(A)
  • System Warning: Buzzer
  • Max. Number of Concurrent Connections (CIFS) - with Max. Memory: 1500
• Operating System: QTS 4.4.2 (embedded Linux)
• Supported File Systems: 
  • Internal hard drive (EXT4)
  • External hard drive (EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT)
• 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
  • Virtual switch
    - Network Address Translation (NAT)
    - Spanning Tree Protocol (STP)
    - 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, and 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 (AES)
  • Importing of SSL certificates from Lets Encrypt
  • Instant alerts through email, SMS, push service, and audio
  • 2-step verification
• Storage Management:
  • Supported RAID types: RAID 0, 1, 5, 6, 10, 50, 60, 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
  • SSD RAID Performance evaluation (with SSD Profiling Tool)
  • SSD TRIM for RAID 0,1,10
  • 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 - The maximum number of snapshots varies depending on installed memory.
    - 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
  • JBOD enclosure roaming
  • SSD read-only and read-write cache
  • SSD write-only cache
• Form Factor: 2U Rackmount
• Power Supply Unit: 300W (x2), 100-240V
• Power Consumption-HDD Sleep Mode: 28.838 W
• Power Consumption-Operating Mode, Typical: 55.568 W
• Fan: 2 x 80mm, 12VDC
• Dimensions (HxWxD): 3.49 18.98 16.69 inch
• Weight (Net): 19.6 lbs