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QNAP TS-251, 4TB

QNAP TS-251, 4TB

Model TS-251, 4TBPart no. TS-251_4TB_SEAGATE_NAS_24X7

69 specifications
  • ProcessorIntel® Celeron®
  • Memory1 GB
  • TypeNAS
  • OSQNAP Turbo NAS System
  • Weight1.28 kg
  • ColourWhite
See all specifications

Overview

Processor
Intel® Celeron®
Memory
1 GB
Type
NAS
OS
QNAP Turbo NAS System
Weight
1.28 kg
Colour
White
Brand
QNAP
Model
TS-251, 4TB
Part number
TS-251_4TB_SEAGATE_NAS_24X7
Also known as
QNAP TS-251, 4TB NAS Tower Intel® Celeron® 1 GB DDR3L HDD QNAP Turbo NAS System White

Specifications

69 specifications in 13 groups

Storage

Storage drives installedYes
Total installed storage capacity4 TB
Number of storage drives supported2
Installed storage drive typeHDD
Supported storage drive typesHDD & SSD
Storage drive interfaceSerial ATA III
Storage drive size2.5/3.5"
RAID supportYes
RAID levels0, 1, JBOD
Hot-swap drive baysYes
Supported file systemsext3, ext4, FAT32, HFS+, NTFS

Processor

Processor familyIntel® Celeron®
Processor frequency2.41 GHz
Processor cores2

Memory

Internal memory1 GB
Internal memory typeDDR3L
Maximum RAM supported8 GB
Memory slots2
Flash memory512 MB

Network

Ethernet LANYes
Ethernet LAN data rates10,100,1000 Mbit/s
Wi-FiNo
DHCP clientYes
DHCP serverYes
Jumbo frames supportYes
iSCSI supportYes
Wake-on-LAN readyYes
Supported network protocolsCIFS/SMB, AFP (v3.3), NFS(v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP, SMSC

Ports & interfaces

Ethernet LAN (RJ-45) ports2
USB 2.0 ports quantity2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity2
Fiber ports quantity0
HDMI ports quantity1

Design

Chassis typeTower
Cooling typeActive
Product colourWhite
Number of fans1 fan(s)
Fan diameter7 cm
LED indicatorsYes
Cable lock slotYes
Cable lock slot typeKensington

Performance

TypeNAS
Device classHome & Home Office
Backup functionYes
Backup featuresCloud
BuzzerYes
Multilingual supportYes
Management protocolsSNMP v2 & v3
Web-based managementYes
Access Control List (ACL)Yes
Reset buttonYes
Security algorithms256-bit AES, FIPS 140-2, SSH, SSL/TLS

Software

Operating system installedQNAP Turbo NAS System
Operating system version4.1
Windows operating systems supportedYes
Mac operating systems supportedYes

Power

Power supply locationExternal
Power supply unit (PSU) capacity60 W
AC input voltage100-240 V
Fan voltage12 V

Weight & dimensions

Width102 mm
Depth225 mm
Height168.5 mm
Weight1.28 kg
Package weight2.32 kg

Packaging content

External power adapterYes

Operational conditions

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

Other features

Digital Living Network Alliance (DLNA) certifiedYes

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