The QNAP TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount has 0.2 GHz more processor frequency than the QNAP TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount (1.7 GHz vs 1.5 GHz). The QNAP TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount has 1 more memory slots than the QNAP TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount (2 vs 1). The QNAP TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount has 3,488 MB more flash memory than the QNAP TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount (4000 MB vs 512 MB). RAID levels: 0, 1, 5+HS, 5, 6, 10, JBOD on the QNAP TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount, 0, 1, 5, 6, 10, JBOD on the QNAP TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount. Supported file systems: FAT32, HFS+, NTFS, exFAT, ext3, ext4 on the QNAP TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount, FAT32, HFS+, NTFS, ext3, ext4 on the QNAP TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount.
RAID levels
TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount:0, 1, 5+HS, 5, 6, 10, JBOD
TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount:0, 1, 5, 6, 10, JBOD
Processor frequency
TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount:1.7 GHz
TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount:1.5 GHz
Internal memory type
TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount:DDR3
TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount:DDR3L
Memory slots
TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount:1
TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount:2
Flash memory
TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount:512 MB
TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount:4000 MB
Ethernet LAN (RJ-45) ports
TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount:2
TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount:4
Fiber ports quantity
TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount:1
TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount:0
Product colour
TS-431XeU-2G 48TB 4x12TB Seagate IronWolf Pro 4 Bay NAS Rackmount:Aluminium, Black
TS-453BU-RP-4G 16TB 4x4TB Seagate IronWolf Pro 4 Bay NAS Rackmount:Black, Grey
Ethernet LAN data rate supported (max)Known for one
10000 Mbit/s
—Unknown — not stated by the source
Link aggregationKnown for one
Yes
—Unknown — not stated by the source
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers
2
4
USB port
Yes
Yes
USB 2.0 ports quantity
0
0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity
4
4
Fiber ports quantityDiffers
1
0
HDMI ports quantityKnown for one
—Unknown — not stated by the source
1
USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantityKnown for one
0
—Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantityKnown for one
0
—Unknown — not stated by the source
USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantityKnown for one
0
—Unknown — not stated by the source
Fiber optic connectorKnown for one
SFP+
—Unknown — not stated by the source
Graphicsidentical
On-board graphics card base frequencyKnown for one
—Unknown — not stated by the source
250 MHz
On-board graphics card burst frequencyKnown for one
—Unknown — not stated by the source
750 MHz
Maximum on-board graphics card memoryKnown for one
—Unknown — not stated by the source
8 GB
Number of displays supported (on-board graphics)Known for one
—Unknown — not stated by the source
3
Design2 differ
Chassis type
Rack (1U)
Rack (1U)
Cooling type
Active
Active
Product colourDiffers
Aluminium, Black
Black, Grey
Number of fansDiffers
3 fan(s)
2 fan(s)
Fan diameter
4 cm
4 cm
LED indicators
HDD, LAN, Status, USB
HDD, LAN, Status, USB
Cable lock slotKnown for one
Yes
—Unknown — not stated by the source
Cable lock slot typeKnown for one
Kensington
—Unknown — not stated by the source
Performance4 differ
Type
NAS
NAS
Device class
Small & Medium Business
Small & Medium Business
Backup function
Yes
Yes
Backup features
Cloud, iSCSI LUN
Cloud, iSCSI LUN
Buzzer
Yes
Yes
Multilingual supportKnown for one
—Unknown — not stated by the source
Yes
Noise levelDiffers
20.3 dB
36.8 dB
Share folder access right management
Yes
Yes
Web-based management
Yes
Yes
Access Control List (ACL)Known for one
—Unknown — not stated by the source
Yes
Browser supportedDiffers
Apple Safari 7+, Google Chrome, Microsoft Internet Explorer 10+, Mozilla Firefox
Internet Explorer 10+, Chrome, Safari 7+, Firefox
Built-in FTP server
Yes
Yes
Built-in iTunes server
Yes
Yes
Hot spare
Yes
Yes
On/off switch
Yes
Yes
Reset button
Yes
Yes
S.M.A.R.T. support
Yes
Yes
Security algorithmsDiffers
256-bit AES, FIPS 140-2, HTTPS, SSH
256-bit AES, FIPS 140-2, HTTPS, SNMP, SNMPv3, SSH, SSL/TLS
Share folderDiffers
512
CIFS/SMB
System log
Yes
Yes
Universal Plug and Play (UPnP)
Yes
Yes
Number of usersKnown for one
4096 user(s)
—Unknown — not stated by the source
Third-party supportKnown for one
Yes
—Unknown — not stated by the source
SnapshotKnown for one
Yes
—Unknown — not stated by the source
Management protocolsKnown for one
SNMP
—Unknown — not stated by the source
Software3 differ
Operating system version
4.3
4.3
Windows operating systems supportedDiffers
Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home
Windows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 Home Basic x64,
Linux operating systems supported
Yes
Yes
Mac operating systems supportedDiffers
Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Mac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Server operating systems supportedDiffers
Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2, Windows Server 2016
Windows Server 2003, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Operating system installedKnown for one
QNAP Turbo System
—Unknown — not stated by the source
Power2 differ
Power supply location
Built-in
Built-in
Power supply unit (PSU) capacityDiffers
100 W
250 W
Number of power supply unitsDiffers
1
2
Redundant power supply (RPS) supportKnown for one
—Unknown — not stated by the source
Yes
Power consumption (typical)Known for one
—Unknown — not stated by the source
46.3 W
Power consumption (sleep)Known for one
—Unknown — not stated by the source
35.4 W
Fan voltageKnown for one
—Unknown — not stated by the source
12 V
AC input voltageKnown for one
100 - 240 V
—Unknown — not stated by the source
AC input frequencyKnown for one
50 - 60 Hz
—Unknown — not stated by the source
Output currentKnown for one
3.5 A
—Unknown — not stated by the source
Weight & dimensions1 differ
Width
439 mm
439 mm
DepthDiffers
291 mm
499 mm
Height
44 mm
44 mm
WeightKnown for one
—Unknown — not stated by the source
7.63 kg
Packaging contentidentical
Cables included
AC, LAN (RJ-45)
AC, LAN (RJ-45)
Quick installation guide
Yes
Yes
Processor special featuresidentical
Embedded options availableKnown for one
—Unknown — not stated by the source
No
Enhanced Intel SpeedStep TechnologyKnown for one
—Unknown — not stated by the source
Yes
Execute Disable BitKnown for one
—Unknown — not stated by the source
Yes
Idle StatesKnown for one
—Unknown — not stated by the source
Yes
Intel 64Known for one
—Unknown — not stated by the source
Yes
Intel Clear Video TechnologyKnown for one
—Unknown — not stated by the source
Yes
Intel Enhanced Halt StateKnown for one
—Unknown — not stated by the source
Yes
Intel Rapid Storage TechnologyKnown for one
—Unknown — not stated by the source
No
Intel Secure BootKnown for one
—Unknown — not stated by the source
Yes
Intel Smart Connect TechnologyKnown for one
—Unknown — not stated by the source
No
Intel Stable Image Platform Program (SIPP)Known for one
—Unknown — not stated by the source
No
Intel Trusted Execution TechnologyKnown for one
—Unknown — not stated by the source
No
Intel VT-x with Extended Page Tables (EPT)Known for one
—Unknown — not stated by the source
Yes
Intel Virtualization Technology (VT-x)Known for one
—Unknown — not stated by the source
Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one
—Unknown — not stated by the source
Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one
—Unknown — not stated by the source
Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one
—Unknown — not stated by the source
No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one
—Unknown — not stated by the source
Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one
—Unknown — not stated by the source
Yes
Intel® High Definition Audio (Intel® HD Audio)Known for one
—Unknown — not stated by the source
Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one
—Unknown — not stated by the source
No
Intel® Identity Protection Technology (Intel® IPT)Known for one
—Unknown — not stated by the source
Yes
Intel® InTru™ 3D TechnologyKnown for one
—Unknown — not stated by the source
No
Intel® Insider™Known for one
—Unknown — not stated by the source
No
Intel® OS GuardKnown for one
—Unknown — not stated by the source
No
Intel® Quick Sync Video TechnologyKnown for one
—Unknown — not stated by the source
Yes
Intel® Secure KeyKnown for one
—Unknown — not stated by the source
Yes
Intel® Small Business Advantage (Intel® SBA)Known for one
—Unknown — not stated by the source
No
Intel® Smart Response TechnologyKnown for one
—Unknown — not stated by the source
No
Intel® Turbo Boost TechnologyKnown for one
—Unknown — not stated by the source
No
Intel® Wireless Display (Intel® WiDi)Known for one
—Unknown — not stated by the source
No
Maximum number of PCI Express lanesKnown for one
—Unknown — not stated by the source
6
Number of execution unitsKnown for one
—Unknown — not stated by the source
12
Thermal Monitoring TechnologiesKnown for one
—Unknown — not stated by the source
Yes
UARTKnown for one
—Unknown — not stated by the source
Yes
Memory channels supported by processorKnown for one
—Unknown — not stated by the source
Dual
Memory types supported by processorKnown for one
—Unknown — not stated by the source
DDR3L, LPDDR3-SDRAM, LPDDR4-SDRAM
Operational conditions1 differ
Operating temperature (T-T)
0 - 40 °C
0 - 40 °C
Operating relative humidity (H-H)Differs
5 - 95%
0 - 95%
Other featuresidentical
Digital Living Network Alliance (DLNA) certifiedKnown for one
Yes
—Unknown — not stated by the source
A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.
