QNAP HS-251 Review

Publié par Marc Büchel le 12.06.15
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Specifications

Processor Intel Celeron 2.41GHz dual-core (brust up to 2.58GHz)
RAM 2 GB SO-DIMM DDR3
HDD Capacity 2.5/3.5" SATA II/III HDD or SSD x 2
HDD Trays 2 x hot-swappable and lockable tray
LAN Ports 2 x Gigabit RJ-45 Ethernet port 10/100/1000
LED Indicators Status, LAN
USB 2 x USB 3.0
2 x USB 2.0
Support USB printer, disk, pen drive, USB hub, and USB UPS etc.
Buttons Power Button
Status Button
Reset Button
HDMI Yes
IR Recivier MCE-compatible
Alarm Buzzer System warning
Dimensions 220(D) x 320(W) x 41.3(H) mm
Weight 1.54 kg
Power Supply 60W external power adapter
Power Consumption HDD standby: 8.96 Watt
In Operation: 15.64 Watt (with 2 x HDD installed)
Temprature 0-40°C


   

   


Software and Features

Operating System
  • QTS 4.1 (embedded Linux)
Supported OS
  • Windows XP, Vista, 7, 8, Server 2003, Server 2008, Server 2012
  • Mac OS X Onward
  • UNIX, Linux
Supported Browsers
  • Internet Explorer 9 Onwards
  • FireFox
  • Chrome
  • Safari
Networking Protocols
  • CIFS/SMB, AFP(v3.3), NFS(v3), FTP, HTTP(S), Telnet, SSH, SMTP, iSCSI, HTTP, HTTPS, SNMP, TFTP, SMSC
Storage Management
  • Online Volume Expansion
  • Single Disk, JBOD, RAID 0, 1
  • Online RAID Capacity Expansion
  • Online RAID Level Migration
  • Bad block scan and hard drive S.M.A.R.T.
  • Bad block recovery
  • RAID recovery
  • Bitmap support
Network
  • TCP/IP (IPv4 & IPv6)
  • Dual Gigabit NICs with jumbo frame(failover, multi-IP settings, Port trunking/NIC teaming)
  • Service binding based on network interfaces
  • Proxy Client, Proxy server
  • DHCP Client, DHCP server
  • UPnP& Bonjour discovery
  • USB Wi-Fi adapter support
Backup Solutions
  • Remote replication server (over rsync)
  • Real-time remote replication (RTRR) to another QNAPNAS or FTP server
  • Works as both RTRR server & client with bandwidth control
  • Real-time & scheduled backup
  • Encryption, compression, file filter, and transfer rate limitation
  • Encrypted replication between QNAPNASservers
  • Desktop backup with QNAPNetBakReplicator for Windows
  • Apple Time Machine backup support
  • Data backup to multiple external storage devices
  • Synchronizes with cloud storage: Amazon S3, ElephantDrive, Symform, Dropbox, and GoogleDrive
  • Third party backup software support: Veeam backup & replication, AcronisTrue Image, Arcserve backup, emc retrospect, Symantec Backup Exec, etc.
Security
  • Network access protection with auto-blocking: SSH, Telnet, HTTP(S), FTP, CIFS/SMB, AFP
  • CIFS host access control for shared folders
  • FIPS 140-2 validated AES 256-bit volume-based data encryption*
  • AES 256-bit external drive encryption*
  • Importable SSL certificate
  • Instant alert via E-mail, SMS, and beep

  • *The data encryption functions may not available in accordance with the legislative restrictions of some countries.
Web Administration
  • Multi-window, multi-tasking based system management
  • Personalized desktop
  • Smart toolbar and dashboard for neat display on system status
  • Login screen with personalized photo-wall style •Smart fan control
  • Dynamic DNS (DDNS)
  • SNMP (v2 & v3)
  • Resource monitor
  • Network Recycle Bin for File Deletion via CIFS/SMB, AFP and File Station
    - Automatic Cleanup
    - File Type Filter
  • Comprehensive logs (events & connection)
  • Syslog client/server
  • System settings backup and restore
  • Restore to factory default
  • Mobile app: Qmanager for remote system monitoring & management
File Server
  • File Sharing across Windows, Mac, and Linux/UNIX
  • Windows ACL
  • Advanced folder permission for CIFS/SMB, AFP, FTP
  • Shared folder aggregation (CIFS/SMB)



Page 1 - Introduction Page 5 - Software
Page 2 - Preview Pagina 6 - Test Setup
Page 3 - Specifications Page 7 - Test Results
Page 4 - Delivery Page 8 - Conclusions




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