QNAP TS-873-4G-US AMD R-Series RX-421ND 2.1GHz/ 4GB DDR4/ 4GbE/ 8SATA3/ USB3.0/ 8-Bay Tower NAS for SMB

Specifications

• Mfr Part Number: TS-873-4G-US
• Hardware:
  • CPU: AMD R-Series RX-421ND processor (2.1GHz Clock Speed, 3.4GHz Max Turbo, Quad Core)
  • Encryption Engine: AES-NI
  • System Memory: 4GB DDR4 (2x 2GB)
    
  • Memory Slot: 4x DDR4 SODIMM slots
  • Flash Memory: 512MB DOM
  • Drive Bay: 8x SATA 6 Gbps bays
  • Drive Compatibility:
    • 3.5-inch SATA hard disk drives
    • 2.5-inch SATA hard disk drives
    • 2.5-inch SATA solid state drives
  • M.2 SSD Slot: 2x M.2 2260/2280 SATA 6Gb/s SSDs (Sold separately)
  • LAN Port: 4x RJ45 Ports
  • USB Port: 4x USB 3.0 (1 front, 3 rear)
    
  • USB One Touch Copy: Front - USB 3.0
  • Audio: 2x 3.5 mm dynamic microphone jacks, 1x 3.5 mm line-out jack, 1x speaker
    
  • PCIe Slot: 2x PCIe 3.0 x4 Slots
  • IR sensor: Optional QNAP RM-IR004 remote control (MCE compatible)
  • Sound Level: Sound pressure (LpAm) - 23.4 dB(A)
    
  • Operating System: QTS 4.3.4 (embedded Linux)
• Network & Virtual Switch:
  • TCP/IP: Dual stack (IPv4 and IPv6)
  • Jumbo frame (failover, multi-IP settings, port trunking/NIC teaming)
  • DHCP server and client
  • USB Wi-Fi adapter
  • Virtual switch
    • Virtual switch editing in Virtualization Station
    • Combining virtual machines and containers in the same virtual switch
    • Network Address Translation (NAT)
    • Spanning Tree Protocol (STP)
  • WirelessAP Station
• Security:
  • Network access protection with auto-blocking (SSH, Telnet, HTTP(S), FTP, CIFS/SMB, and AFP)
  • Host access control for shared folders (CIFS/SMB)
  • 140-2 validated AES 256-bit volume-based and shared folder data encryption (FIPS)
  • 256-bit external drive encryption (AES)
  • Importing of SSL certificates from Let's Encrypt
  • Instant alerts through email, SMS, push service, and audio
  • 2-step verification
• Storage Management:
  • Storage space utilization monitoring
  • Flexible volumes and LUNs with thin provisioning and space reclaiming
  • Supported RAID types - RAID 0, 1, 5, 6, 10, 50, 60, JBOD, Single
  • RAID hot spare and global hot spare
  • RAID rebuild speed customization
  • Advanced secure data erase
  • Storage pools
  • Qtier Technology (automated storage tiering)
    • Automatic or scheduled data tiering
    • IO-aware auto tiering
    • Shared folder tiering on demand
  • Snapshots
    • Volume and LUN snapshots
    • Snapshot Dashboard
    • Snapshot Manager
    • Snapshot Cloning
    • Snapshot Vault
    • Snapshot Replica
    • Unify Snapshot Directory
    • Support for Windows previous versions (CIFS/SMB)
    • Snapshot Agent for Microsoft Windows and VMware vSphere
  • Online volume expansion
  • Online storage pool expansion
  • Online RAID capacity expansion
  • Online RAID level migration
  • SMART data migration
  • Storage expansion using QNAP expansion units
  • JBOD enclosure roaming
  • SSD read-only or read-write cache
  • Bad block scan and hard drive S.M.A.R.T test
  • Bad block recovery and RAID recovery
  • Bitmap support
• File System:
  • Internal HDD: EXT4
  • External HDD: EXT3, EXT4, NTFS, FAT32, HFS+, and exFAT
• Form Factor: Tower
  
• Fan: System - 2x 120 mm; CPU - 1x 60 mm
  
• Power Consumption: HDD standby - 36.43 W; In operation - 70.26 W (with 8x 2TB HDDs installed)
  
• Power Supply: 250 W, 100 - 240V AC, 50/60 Hz
  
• Dimensions (WxDxH): 12.96 x 11.01 x 7.41 inch / 329.3 x 279.60 x 188.2 mm
• Weight: 14.46 lbs / 6.56 kg