QNAP TS-251D-4G
seats under HDD: 2 (3.5''), 2.5''), LAN: 1000 Mbit/s, possibility of hot replacement HDD, Download manager, Print-server, IP video surveillance support, HDMI, Backup buttons, auto start-up after power failure
seats under HDD: 2 (3.5''), 2.5''), LAN: 1000 Mbit/s, possibility of hot replacement HDD, Download manager, Print-server, IP video surveillance support, HDMI, Backup buttons, auto start-up after power failure
General Characteristics |
|
Appointment |
file server, web server, CCTV server, backup station, home media server, mail server |
Internal Interfaces |
SATA |
Number of seats under HDD |
2 |
Form factor of seats under HDD |
3.5'', 2.5'' |
Possibility of hot replacement HDD |
|
Connecting external drives |
|
Indications |
state, powering, disk access, network activity |
Reload button |
|
Cooling System |
airborne |
Internal filesystem support |
Ext4 |
External filesystem support |
FAT32, HFS+, Ext4, Ext3, NTFS |
RAID Support |
|
RAID Rebuild |
|
SMART |
|
Operating System |
Embedded Linux |
Support for File Access Protocols |
WebDAV, SMB/CIFS, TFTP, FTPS, NFS, SFTP, FTP, AFP |
Processor and Memory |
|
Processor/chipset |
Intel Celeron J4005 |
Processor Frequency |
2,000 MHz |
Types of RAM |
DDR4 |
RAM size |
4 GB |
Flash-memory |
4 GB |
Network Functions |
|
Download manager |
|
Print-server |
|
UPnP/DLNA server |
|
Support for iSCSI network protocol |
|
IP video surveillance support |
|
Virtual switchboard |
|
Active Directory |
|
Management of Virtual Machines |
|
Mail-server |
|
Radio-server |
|
iTunes server |
|
Support for Online Services |
Yandex Disk, Google Drive, Dropbox, Backblaze B2, Amazon S3, OpenStack, myQNAPcloud, hubiC, Youtube, Alibaba Cloud, OneDrive |
Web server |
|
Network Protocols |
Bonjour, DHCP, HTTP, HTTPS, SNMP, SSH, SSL/TLS, Syslog, TCP/IP (IPv4), iSCSI, VPN, UPnP, TCP/IP (IPv6), SMSC, SMTP, Telnet |
Reading RSS |
|
Interfaces |
|
HDMI |
|
Ethernet |
|
Type of Ethernet controller |
1,000 Mbit/s |
USB 2.0 |
2 |
USB 3.2 Gen1 Type-A |
3 |
Expansion slots |
|
Additional Characteristics |
|
Colors |
White |
Backup buttons |
|
Auto start after power outage |
|
Power Utilized |
16 W |
Power consumption in dormant mode |
9 W |
Dynamics |
|
Support for UPS |
|
Awakening from the Net |
|
Dimensions |
|
Heights |
168 mm |
Length |
226 mm |
Width |
105 mm |
Weight (disambiguation) |
1,500 g |