QNAP TS-251D NAS Tower Intel® Celeron® J4005
QNAP

TS-251D NAS Tower Intel® Celeron® J4005

2 GB DDR4 0 TB QNAP QTS White

Model TS-251DPart no. TS-251D-4G/20TB-REDEAN 5051868150173

155 specifications
  • ProcessorIntel® Celeron®
  • Memory2 GB
  • Noise16.7 dB
  • TypeNAS
  • OSQNAP QTS
  • Weight1.48 kg
See all specifications

Overview

Processor
Intel® Celeron®
Memory
2 GB
Noise
16.7 dB
Type
NAS
OS
QNAP QTS
Weight
1.48 kg
Brand
QNAP
Model
TS-251D
Part numbers
TS-251D-4G/20TB-RED, TS-251D-2G, TS-251D-4G, TS-251D-2G/24TB-IW, TS-251D-2G/6TB-IW, TS-251D-4G/28TB-IW +34 more
EAN / UPC
5051868150173, 4713213516669, 4713213516676, 5051868192326 +40 more
Also known as
QNAP TS-251D NAS Tower Intel® Celeron® J4005 2 GB DDR4 0 TB QNAP QTS White

Specifications

155 specifications in 16 groups

Storage

SpecificationValue
Storage drives installedNo
Total installed storage capacity0 TB
Number of storage drives installed0
Number of storage drives supported2
Installed storage drive typeNo
Supported storage drive typesHDD & SSD
Storage drive capacity0 GB
Supported storage drive interfacesSerial ATA II, Serial ATA III
Storage drive sizes supported3.5"
Number of M.2 (M & B) slots1
RAID supportYes
RAID levels0, 1, JBOD
Online RAID migrationYes
Online RAID expansionYes
RAID rebuildYes
Hot-swap drive baysYes
Supported file systemsFAT32, HFS+, NTFS, ext3, ext4
Bad block scanYes
Disk roamingYes

Processor

SpecificationValue
Processor manufacturerIntel
Processor familyIntel® Celeron®
Processor modelJ4005
Processor frequency2 GHz
Processor boost frequency2.7 GHz
Processor cores2
Processor threads2
Processor cache4 MB
CPU configuration (max)1
PCI Express configurations1x2, 1x2+2x1, 1x4, 2x1, 4x1
PCI Express slots version2.0
Processor codenameGemini Lake
Processor lithography14 nm
Processor operating modes64-bit
Processor package size25 x 24 mm
Processor socketBGA 1090
Thermal Design Power (TDP)10 W
Tjunction105 °C
On-board graphics card modelIntel® UHD Graphics 600
Maximum internal memory supported by processor8 GB
Conflict-Free processorYes

Memory

SpecificationValue
Internal memory2 GB
Internal memory typeDDR4
Maximum RAM supported8 GB
Memory form factorSO-DIMM
Memory slots2
Flash memory4000 MB

Network

SpecificationValue
Ethernet LANYes
Ethernet LAN data rates1000 Mbit/s
Wi-FiNo
DHCP clientYes
DHCP serverYes
Jumbo frames supportYes
iSCSI supportYes
Wake-on-LAN readyYes
Link aggregationYes
Supported network protocolsTCP/IP, PTP, L2TP/IPSec, OpenVPN, QBelt(, FTP, SFTP, TFTP
WLAN adapter supportedYes

Ports & interfaces

SpecificationValue
Ethernet LAN (RJ-45) ports1
USB portYes
USB 2.0 ports quantity3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
Fiber ports quantity0
HDMI ports quantity1
HDMI version2.0

Graphics

SpecificationValue
On-board graphics card DirectX version12.0
On-board graphics card ID0x3185
On-board graphics card base frequency250 MHz
On-board graphics card burst frequency700 MHz
On-board graphics card dynamic frequency (max)700 MHz
Maximum on-board graphics card memory8 GB
Number of displays supported (on-board graphics)3

Design

SpecificationValue
Chassis typeTower
Cooling typeActive
Product colourWhite
Number of fans1 fan(s)
Fan diameter7 cm
LED indicatorsHDD, LAN, Power, Status, USB
Cable lock slotYes
Cable lock slot typeKensington

Performance

SpecificationValue
TypeNAS
Device classHome & Home Office
Backup functionYes
Backup featuresCloud, USB drive
BuzzerYes
Multilingual supportYes
Noise level16.7 dB
Third-party supportYes
SnapshotYes
Web-based managementYes
Access Control List (ACL)Yes
Browser supportedApple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
Built-in FTP serverYes
Hot spareYes
On/off switchYes
Reset buttonYes
S.M.A.R.T. supportYes
Security algorithms256-bit AES, FIPS 140-2, HTTPS, SNMPv3, SSH, SSL/TLS
Share folderCIFS/SMB
System logYes
USB copy functionYes
Universal Plug and Play (UPnP)Yes

Software

SpecificationValue
Operating system installedQNAP QTS
Operating system version5.0.0
Windows operating systems supportedWindows 10, Windows 7, Windows 8
Linux operating systems supportedYes
Mac operating systems supportedMac 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 supportedWindows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016, Windows Server 2019

Power

SpecificationValue
Power supply locationExternal
Power supply unit (PSU) capacity65 W
Number of power supply units1
Power consumption (typical)15.25 W
Power consumption (sleep)8.08 W
AC input voltage100 - 240 V
AC input frequency50 - 60 Hz
Fan voltage12 V

Weight & dimensions

SpecificationValue
Width105 mm
Depth226 mm
Height168 mm
Weight1.48 kg
Package weight2.58 kg

Packaging content

SpecificationValue
External power adapterYes
Cables includedAC, LAN (RJ-45)
Quick installation guideYes
Number of screws14

Processor special features

SpecificationValue
Embedded options availableNo
Enhanced Intel SpeedStep TechnologyYes
Execute Disable BitYes
Idle StatesYes
Intel 64Yes
Intel Enhanced Halt StateYes
Intel Identity Protection Technology version1.00
Intel Secure Key Technology version1.00
Intel Smart Response Technology version0.00
Intel VT-x with Extended Page Tables (EPT)Yes
Intel Virtualization Technology (VT-x)Yes
Intel Virtualization Technology for Directed I/O (VT-d)Yes
Intel® AES New Instructions (Intel® AES-NI)Yes
Intel® Anti-Theft Technology (Intel® AT)No
Intel® Hyper Threading Technology (Intel® HT Technology)No
Intel® Identity Protection Technology (Intel® IPT)Yes
Intel® OS GuardYes
Intel® Quick Sync Video TechnologyYes
Intel® Secure KeyYes
Intel® Smart Response TechnologyNo
Intel® Turbo Boost TechnologyNo
Maximum number of PCI Express lanes6
Number of execution units12
Thermal Monitoring TechnologiesYes
UARTYes
Memory types supported by processorDDR4-SDRAM, LPDDR4-SDRAM

Operational conditions

SpecificationValue
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)5 - 95%
Storage temperature (T-T)-20 - 70 °C

Logistics data

SpecificationValue
Harmonized System (HS) code84714100

Other features

SpecificationValue
Processor ARK ID128992