TerraMaster F4-421 4-Bay NAS for Small/Medium Business Clound Storage

Specifications

• Mfr Part Number: F4-421
• Feature
  • Enhance the Safety of your Data with a Next-Generation File System
  • Faster and Safer
  • Large-Scale User Access
  • SSD Cache
  • Multiple RAID Modes
  • A Private Space in the Cloud
  • TNAS.online for Simple Remote Access
  • Striving to Satisfy Small Businesses
  • State-of-the-Art TOS 4.0.X Operating System
  • Smart Mobile App
• Processor
  • Processor Model: Intel Celeron J3455
  • Processor Architecture: X.86 64-bit
  • Processor Frequency: Quad Core 1.5GHz (Max burst up to 2.3GHz)
  • Hardware Encryption Engine
  • Hardware Transcoding Engine: H.265 (HEVC), MPEG-4 Part 2, MPEG-2, VC-1; maximum resolution: 4K (4096 x 2160); maximum frame rate per second (FPS): 30
• Memory
  • System Memory: 4GB
  • Total Memory Slot Number: 1
  • Maximum Supported Memory: 12 GB (4 GB + 8 GB)
  • Note: TerraMaster reserves the right to replace memory modules with the same or higher frequency based on supplier's product life cycle status. Rest assured that the compatibility and stability have been strictly verified with the same benchmark to ensure identical performance.
• Storage
  • Disk Slot Number: 4
  • Compatible Drive types: 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD
  • Maximum Internal Raw Storage Capacity: 56TB (14TB x 4) (Capacity may vary by RAID types)
  • Max Single Volume: 108TB
  • Drive Hot Swap
  • Note: Hard drive vendors will release their latest models of hard drives, and Maximum internal raw storage capacity may be adjusted accordingly; The maximum single volume size is not directly related to the maximum raw capacity.
• File System
  • Internal Drive: EXT4, BTRFS
  • External Drive: EXT3, EXT4, NTFS, FAT32, HFS+
• Working Temperature
  • Working Temperature: 5°C ~ 40°C (40°F ~ 104°F)
  • Storage Temperature: -20°C ~ 60°C (-5°F ~ 140°F)
  • Relative Humidity: 5% ~ 95% RH
• OS Supported
  • Supported Client OS: Windows OS, Mac OS, Linux OS
  • Supported Web Browsers: Google Chrome 48, Microsoft Internet Explorer 9, Mozilla Firefox 30, Apple Safari 4.5 or later version; Microsoft Edge is not recommened.
  • Supported mobile OS: Ios 8.2, Android 5.0 or later version
• Storage Management
  • Supported RAID Types: Single, JBOD, RAID 0, RAID 1
  • Maximum Internal Volume Number: 256
  • Maximum iSCSI Target: 128
  • Maximum iSCSI LUN: 128
  • Volume Expansion with Larger HDDs: RAID 1,RAID5,RAID 6,RAID10
  • RAID Migration
  • SSD Cache
  • Hot Spare
  • SSD TRIM
  • Hard Drive S.M.A.R.T.
  • Seagate IHM
  • Shared Folder Snapshot
• File Services
  • File Protocol: SAMBA/AFP/NFS/FTP/WebDAV
  • Maximum Concurrent SAMBA/AFP/FTP Connections: 500
  • Windows Access Control List (ACL) Integration
  • NFS Kerberos Authentication
• Account & Shared Folder
  • Maximum local user's account number: 2048
  • Maximum local group number: 512
  • Maximum shared folders number: 512
  • Maximum shared folders syncing tasks: 8
• Backup
  • Rsync Server
  • Rsync Backup
  • Schedule Backup
  • USB Device Backup
  • Cloud Sync
  • Time Machine Server
• Networking
  • TCP/IP: IPv4
  • Protocols: CIFS/SAMBA, NFS, FTP, TFTP, HTTPS, SSH, iSCSI, SNMP, SMTP
    DLNA Compliance
  • VPN Client
  • VPN Server
  • Proxy lient
  • UPnP/Bonjour Discovery
  • TNAS.online Remote Access
  • DDNS
• Access Right Management
  • User Quota Managerment
  • Local user access control for CIFS/SAMBA and FTP
• Domain Authentication
  • Microsoft Active Directory
  • LDAP Client
  • LDAP Server
  • SSO
• Security
  • Firewall Protection
  • Account Auto-block Protection
  • AES Volume and Shared Folder Encryption
  • Importable SSL certificate
  • Instant Alert via email, SMS, Beep
• Power Managerment
  • Automatic Power On After Power Recovery
  • Scheduled Power On/Off
  • UPS Supported
• Administration
  • Multi-window, Multi-task System Management
  • Custom Desktop
  • Control Panel
  • Resource Monitor
  • Syslog
  • OS UI Language: English, German, French, Spanish, Italian, Magyar, Chinese, Japanese, Korean
• Applications
  • Application Center
  • Mail Server
  • Web Server
  • Clam Antivirus
  • Download
  • Multi Media Server
  • Docker
  • Plex Media Server
  • Snapshot
• External Ports: 1 x RJ-45 1GbE Network Jack; 2 x USB 3.0 Port; 1 X HDMI
• LED Indicators:
  • Hard drive: 
    • Red: Hard drive failure
    • Green: Normal operation status
    • Green (flickering): Reading/writing data
    • Off: No hard drive detected
  • Network:
    • Green: Network connection is normal
    • Off: Network disconnected
  • Power switch/Power indicator: 
    • On: Power on
    • Off: Power off
• System Fan: 80 mm x 80 mm x 25 mm 2 pcs
• Fan Mode: Smart, High speed, Middle speed, Low speed
• Noise Level: 19.8dB(A)
• Power Supply: 90W
• AC Input Voltage: 100V - 240V AC
• Current Frequency: 50/60 Hz, single frequency
• Power Consumption: 46.6W (read & write); 2.0W (hard drive dormancy)
• Limited warranty: 2 years
• Certificate: FCC, CE, CCC, KC
• Environment: RoHS, WEEE
• Dimensions (WxDxH): 225.0 x 136.0 x 227.0 mm
• Package Dimensions (WxDxH): 275.0 x 186.0 x 300.0 mm
• Weight: 2.35 Kg (Net); 3.53Kg (Gross)
• Package Contents: Host unit (x1), Power cord (x1), RJ-45 network cable (x1), Quick Installation Guide (x1), Limited Warranty Note(x1), Screws(a few), Power adapter (x1)