Terramaster U4-211 4-Bay rackmount NAS

Last updated on 02 Feb 2023 📧 Subscribe

Terramaster U4-211 4-Bay rackmount NAS

Processor
Processor Model Realtek 1619B
Processor Architecture ARM V8.2 Cortex-A55 64-bit
Processor Frequency Quad Core 2.0 GHz
CPU Single-Core Score /
Hardware Encryption Engine √
Hardware Transcoding Engine /
Memory
System Memory 2 GB
Pre-installed Memory module /
Total Memory Slot Number /
Maximum Supported Memory 2 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
2280 M.2 NVMe Slot Number /
Maximum Internal Raw Storage Capacity 80TB (20TB x8) (Capacity may vary by RAID types)
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 Btrfs, EXT4
External Drive EXT3, EXT4, NTFS, FAT32, HFS+
External Ports
RJ-45 1GbE Network Jack 1
RJ-45 2.5GbE Network Jack /
RJ-45 10GbE Network Jack /
 SFP+ 10GbE Network Jack /
USB3.0 Host Port 1
USB2.0 Host Port 1
COM /
HDMI /
VGA /
PCIe Slots /
M.2 2280 NVMe Slot /
Appearance
Size (H*W*D) 45 x 440 x 360 mm
Packaging Size (H*W*D) 95 x 545 x 453  mm
Weight Gross Weight:  6.8 Kg
Others
System Fan 40 x 40 x 28mm  3PCS
Fan Mode Smart, High speed, Middle speed, Low speed
Noise Level 23.4 dB(A) (Fully loaded Seagate 4TB ST4000VN008 hard drive(s) in idle state)
Power Supply 72 W
Redundancy Power Supply /
AC Input Voltage 100V – 240V AC
Current Frequency 50/60 Hz, Single frequency
Power Consumption 33.2 W(Fully loaded Seagate 4TB ST4000VN008 hard drive(s) in read/write state)
12.4 W (Fully loaded Seagate 4TB ST4000VN008 hard drive(s) in hibernation)
Limited warranty 2 years
Certificate FCC, CE, CCC, KC
Environment RoHS, WEEE
Temperature
Working Temperature 0°C  ~ 40°C (32°F ~ 104°F)
Storage Temperature -20°C ~ 60°C (-5°F ~ 140°F)
Relative Humidity  5% ~ 95% RH
Package Contents
Host unit (x1)
Power cord (x1)
Power Adapter(x1)
RJ-45 network cable (x1)
Quick Installation Guide (x1)
Limited Warranty Note(x1)
Screws(a few)
TOS Features
OS Supported
Supported Client OS Windows OS, Mac OS, Linux OS
Supported Web Browsers Google Chrome 97.0.xxxx, Mozilla Firefox 9.3,Apple Safari 12.1 ; Microsoft Edge 99.0.xx or later version.
Supported mobile OS iOS12.0, Android 9.0 or later version
Storage Management
Supported RAID Types TRAID, Single, JBOD, RAID 0, RAID 1,RAID 5,RAID 6,RAID 10
Maximum Internal Volume Number 64
Maximum iSCSI Target 32
Maximum iSCSI LUN 32
Volume Expansion with Larger HDDs TRIAD, RAID 1,RAID 5,RAID 6,RAID 10
Volume Expansion by Adding a HDD TRIAD,RAID 5
RAID Migration √
SSD Cache √
Hot Spare √
SSD TRIM /
Hard Drive S.M.A.R.T. √
Seagate IHM √
NVRAM write cache(BBU-protected) /
Shared Folder Snapshot √
LUN Snapshot /
File Services
File Protocol SMB/AFP/NFS/FTP/SFTP/WebDAV
Maximum Concurrent SMB/AFP/FTP/SFTP Connections 100
Windows Access Control List (ACL) Integration √
NFS Kerberos Authentication √
Account & Shared Folder
Maximum local user’s account number 128
Maximum local group number 128
Maximum shared folders number 128
Maximum shared folders syncing tasks 2
Backup
Rsync Backup √
Duple Backup √
Centralized Backup /
Snapshot √
USB  Backup √
Cloud Sync √
Time Machine Backup √
File System Snapshot √
TFM Backup √
Networking
TCP/IP IPv4/IPv6
Protocols CIFS/SMB, NFS, FTP, SFTP, HTTPS, SSH, iSCSI, SNMP
Link Aggregation /
DLNA Compliance √
VPN Client √
VPN Server √
Proxy Client √
Proxy Server /
UPnP/Bonjour Discovery √
TNAS.online Remote Access √
DDNS √
Access Right Management
Batch users creation /
Import/Export users √
User Quota Managerment √
Local user access control for CIFS/SAMBA and FTP √
Domain Authentication
AD Domain √
LDAP Client √
LDAP Server /
Security
Firewall Protection √
Account Auto-block Protection √
AES Volume and Shared Folder Encryption √
Importable SSL certificate √
Instant Alert via email, Desktop Notification, Beep √
RSA 2048 Encryption（TOS 5.0） √
PAM (Pluggable Authentication Modules) √
OTP Authentication（TOS 5.0） √
HyperLock File System（TOS 5.0） √
Power Managerment
Power Resume √
Scheduled Power On/Off √
Wake up On LAN（WOL） √
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，Turkish, Portuguese, Russian
Applications
Application Center √
iSCSI Target √
Terra Photos /
TerraSync √
Duple Backup √
CloudSync √
Centralized Backup /
USB Backup √
VPN Server √
Transmission √
qBittorent √
Aria 2 √
Terra Search /
Deduplication /
Web Server √
Clam Antivirus /
EMBY √
Multi Media Server √
Plex Media Server √
Docker Manager /
Snapshot √


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