Product |
Product id
| 671430
|
Brand
| QNAP
|
Partnr
| TS-251D-2G
|
EAN/UPC code
| 4713213516669
|
Warranty (months)
| 24 months
|
Storage |
Storage drives installed
| N
|
Number of storage drives supported
| 2
|
Installed storage drive type
| N
|
Supported storage drive types
| HDD & SSD
|
Supported storage drive interfaces
| Serial ATA III
|
Storage drive sizes supported
| 3.5 "
|
Number of M.2 (M & B) slots
| 1
|
RAID support
| Y
|
RAID levels
| 0, 1, JBOD
|
Online RAID migration
| Y
|
Online RAID expansion
| Y
|
RAID rebuild
| Y
|
Hot-swap drive bays
| Y
|
Supported file systems
| FAT32, HFS+, NTFS, ext3, ext4
|
Processor |
Processor manufacturer
| Intel
|
Processor family
| Intel Celeron
|
Processor model
| J4005
|
Processor frequency
| 2 GHz
|
Processor boost frequency
| 2.7 GHz
|
Processor cores
| 2
|
Processor threads
| 2
|
Processor cache
| 4 MB
|
Processor operating modes
| 64-bit
|
Processor package size
| 25 x 24 mm
|
Processor socket
| BGA 1090
|
Tjunction
| 105 °C
|
Thermal Design Power (TDP)
| 10 W
|
Processor lithography
| 14 nm
|
Processor codename
| Gemini Lake
|
CPU configuration (max)
| 1
|
PCI Express configurations
| 1x2, 1x2+2x1, 1x4, 2x1, 4x1
|
PCI Express slots version
| 2.0
|
On-board graphics adapter model
| Intel UHD Graphics 600
|
Maximum internal memory supported by processor
| 8 GB
|
Conflict-Free processor
| Y
|
Memory |
Internal memory type
| DDR4
|
Internal memory
| 2 GB
|
Maximum RAM supported
| 8 GB
|
Memory form factor
| SO-DIMM
|
Memory slots
| 2
|
Flash memory
| 4000 MB
|
Network |
Ethernet LAN
| Y
|
Ethernet LAN data rates
| 1000 Mbit/s
|
Wi-Fi
| N
|
DHCP client
| Y
|
DHCP server
| Y
|
Jumbo frames support
| Y
|
iSCSI support
| Y
|
Wake-on-LAN ready
| Y
|
Link aggregation
| Y
|
WLAN adapter supported
| Y
|
Supported network protocols
| TCP/IP, PTP, L2TP/IPSec, OpenVPN, QBelt(, FTP, SFTP, TFTP
|
Ports & interfaces |
Ethernet LAN (RJ-45) ports
| 1
|
USB port
| Y
|
USB 2.0 ports quantity
| 3
|
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
| 2
|
HDMI ports quantity
| 1
|
HDMI version
| 2.0
|
Graphics |
On-board graphics adapter base frequency
| 250 MHz
|
On-board graphics adapter burst frequency
| 700 MHz
|
On-board graphics adapter dynamic frequency (max)
| 700 MHz
|
On-board graphics adapter DirectX version
| 12.0
|
On-board graphics adapter ID
| 0x3185
|
Maximum on-board graphics adapter memory
| 8 GB
|
Number of displays supported (on-board graphics)
| 3
|
Design |
Chassis type
| Tower
|
Cooling type
| Active
|
Product colour
| White
|
Number of fans
| 1 ventilator(en)
|
Fan diameter
| 70 mm
|
LED indicators
| HDD, LAN, Power, Status, USB
|
Cable lock slot
| Y
|
Cable lock slot type
| Kensington
|
Performance |
Type
| NAS
|
Device class
| Home & Home Office
|
Backup function
| Y
|
Backup features
| Cloud
|
Buzzer
| Y
|
Multilingual support
| Y
|
Noise level
| 16.7 dB
|
Third-party support
| Y
|
Snapshot
| Y
|
Web-based management
| Y
|
Share folder
| CIFS/SMB
|
USB copy function
| Y
|
S. M. A. R. T. support
| Y
|
Hot spare
| Y
|
System log
| Y
|
Access Control List (ACL)
| Y
|
Reset button
| Y
|
On/off switch
| Y
|
Built-in FTP server
| Y
|
Browser supported
| Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
|
Security algorithms
| 256-bit AES, FIPS 140-2, HTTPS, SNMPv3, SSH, SSL/TLS
|
Software |
Operating system installed
| QNAP Turbo System
|
Operating system version
| 4.4.1
|
Windows operating systems supported
| Windows 10, Windows 7, Windows 8
|
Linux operating systems supported
| Y
|
Mac operating systems supported
| Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
|
Server operating systems supported
| Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019
|
Power |
Power supply location
| External
|
Power supply unit (PSU) capacity
| 65 W
|
Number of power supply units
| 1
|
Power consumption (typical)
| 15.25 W
|
Power consumption (sleep)
| 8.08 W
|
AC input voltage
| 100 - 240 V
|
Weight & dimensions |
Width
| 105 mm
|
Depth
| 226 mm
|
Height
| 168 mm
|
Weight
| 1480 g
|
Package weight
| 2580 g
|
Processor special features |
UART
| Y
|
Intel® OS Guard
| Y
|
Intel® Identity Protection Technology (Intel® IPT)
| Y
|
Intel® Hyper Threading Technology (Intel® HT Technology)
| N
|
Intel® Anti-Theft Technology (Intel® AT)
| N
|
Intel® AES New Instructions (Intel® AES-NI)
| Y
|
Intel® Quick Sync Video Technology
| Y
|
Intel® Secure Key
| Y
|
Thermal Monitoring Technologies
| Y
|
Number of execution units
| 12
|
Maximum number of PCI Express lanes
| 6
|
Intel® Turbo Boost Technology
| N
|
Intel® Smart Response Technology
| N
|
Intel VT-x with Extended Page Tables (EPT)
| Y
|
Intel Virtualization Technology for Directed I/O (VT-d)
| Y
|
Intel Virtualization Technology (VT-x)
| Y
|
Intel Enhanced Halt State
| Y
|
Intel 64
| Y
|
Idle States
| Y
|
Execute Disable Bit
| Y
|
Enhanced Intel SpeedStep Technology
| Y
|
Embedded options available
| N
|
Intel Identity Protection Technology version
| 1.00
|
Intel Smart Response Technology version
| 0.00
|
Intel Secure Key Technology version
| 1.00
|
Memory types supported by processor
| DDR4-SDRAM, LPDDR4-SDRAM
|
Packaging content |
External power adapter
| Y
|
Cables included
| AC, LAN (RJ-45)
|
Quick installation guide
| Y
|
Operational conditions |
Operating temperature (T-T)
| 0 - 40 °C
|
Operating relative humidity (H-H)
| 5 - 95 procent
|
Other features |
Processor ARK ID
| 128992
|