Product comparison · 2 nas & storage servers

QNAP TS-439 Pro II+ 8TB vs QNAP TS-459U-SP+ 4TB

80specifications compared
13differ
67identical
16known for one product only

Key differences

Total installed storage capacity
- TS-439 Pro II+ 8TB:8 TB
- TS-459U-SP+ 4TB:4 TB
RAID levels
- TS-439 Pro II+ 8TB:1, 5, 6
- TS-459U-SP+ 4TB:0, 1, 5, JBOD
Chassis type
- TS-439 Pro II+ 8TB:Tower
- TS-459U-SP+ 4TB:Rack (1U)
Number of fans
- TS-439 Pro II+ 8TB:1 fan(s)
- TS-459U-SP+ 4TB:3 fan(s)
Power consumption (typical)
- TS-439 Pro II+ 8TB:33 W
- TS-459U-SP+ 4TB:62 W
Power consumption (sleep)
- TS-439 Pro II+ 8TB:23 W
- TS-459U-SP+ 4TB:40 W
Weight
- TS-439 Pro II+ 8TB:3.65 kg
- TS-459U-SP+ 4TB:7.63 kg
Dimensions (WxDxH)
- TS-439 Pro II+ 8TB:180 x 235 x 177 mm
- TS-459U-SP+ 4TB:439 x 499 x 44 mm

Side by side

Differences highlightedShow differences only

Comparison of TS-439 Pro II+ 8TB, TS-459U-SP+ 4TB
96 specifications	A QNAP TS-439 Pro II+ 8TB View product	B QNAP TS-459U-SP+ 4TB View product
Storage2 differ
Total installed storage capacityDiffers	8 TB	4 TB
Number of storage drives supported	4	4
Storage drive capacityKnown for one	Unknown — not stated by the source	1 TB
Storage drive interface	Serial ATA, Serial ATA II	Serial ATA, Serial ATA II
Storage drive size	3.5"	3.5"
RAID levelsDiffers	1, 5, 6	0, 1, 5, JBOD
Supported file systems	EXT3, EXT4, FAT32, HFS+, NTFS	EXT3, EXT4, FAT32, HFS+, NTFS
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel Atom®	Intel Atom®
Processor model	D525	D525
Processor frequency	1.8 GHz	1.8 GHz
Processor cores	2	2
Processor threads	4	4
Processor cache	1 MB	1 MB
Bus type	DMI	DMI
ECC supported by processor	No	No
Number of processors installed	1	1
Physical Address Extension (PAE)	32 bit	32 bit
Processing Die size	87 mm²	87 mm²
Processor cache type	L2	L2
Processor code	SLBXC	SLBXC
Processor codename	Pineview	Pineview
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor package size	22 x 22 mm	22 x 22 mm
Processor socket	BGA 559	BGA 559
Stepping	B0	B0
Thermal Design Power (TDP)	13 W	13 W
Tjunction	100 °C	100 °C
Maximum internal memory supported by processor	4 GB	4 GB
Memory bandwidth supported by processor (max)	6.4 GB/s	6.4 GB/s
Conflict-Free processor	No	No
Memoryidentical
Internal memory	1 GB	1 GB
Flash memory	512 MB	512 MB
Networkidentical
Wi-Fi	No	No
DHCP client	Yes	Yes
DHCP server	Yes	Yes
Jumbo frames support	Yes	Yes
iSCSI support	Yes	Yes
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3ad
Maximum data transfer rate	1000 Mbit/s	1000 Mbit/s
Supported network protocolsKnown for one	Unknown — not stated by the source	TCP/IP, CIFS/SMB, AFP (3.2), NFS (v3), FTP, HTTP, HTTPS, Telnet, SSH, iSCSI
Cabling technologyKnown for one	10/100/1000BASE-T(X)	Unknown — not stated by the source
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	2	2
USB 2.0 ports quantity	5	5
VGA (D-Sub) ports quantity	1	1
eSATA	Yes	Yes
Design3 differ
Chassis typeDiffers	Tower	Rack (1U)
Number of fansDiffers	1 fan(s)	3 fan(s)
LED indicatorsDiffers	eSATA, LAN, Power, Status, USB	LAN, USB
Display typeKnown for one	LCD	Unknown — not stated by the source
Performance1 differ
Buzzer	Yes	Yes
Multilingual supportKnown for one	Unknown — not stated by the source	Yes
Number of users	4096 user(s)	4096 user(s)
Management protocols	SNMP	SNMP
Web-based management	Yes	Yes
On/off switch	Yes	Yes
Reset button	Yes	Yes
Security algorithmsDiffers	256-bit AES, HTTPS, SSH, SSL/TLS	128-bit AES, HTTPS, SSH, SSL/TLS
Noise levelKnown for one	37.3 dB	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Unknown — not stated by the source	Linux
Power2 differ
Power supply unit (PSU) capacityKnown for one	Unknown — not stated by the source	150 W
Number of power supply unitsKnown for one	Unknown — not stated by the source	1
Power consumption (typical)Differs	33 W	62 W
Power consumption (sleep)Differs	23 W	40 W
Output powerKnown for one	250 W	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	3.65 kg	7.63 kg
Package weightKnown for one	Unknown — not stated by the source	12.1 kg
Processor special featuresidentical
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	No	No
Execute Disable Bit	Yes	Yes
Idle States	No	No
Intel 64	Yes	Yes
Intel Demand Based Switching	No	No
Intel Enhanced Halt State	No	No
Intel Trusted Execution Technology	No	No
Intel Virtualization Technology (VT-x)	No	No
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Turbo Boost Technology	No	No
Number of Processing Die Transistors	176 M	176 M
Thermal Monitoring Technologies	No	No
Memory channels supported by processor	Single	Single
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	0 - 95%
Relative humidityKnown for one	0 - 95%	Unknown — not stated by the source
Other features4 differ
Compatible operating systemsDiffers	Windows 2000, XP, Vista (32/ 64 bit), Windows 7 (32/ 64 bit), Server 2003/ 2008 Mac OS X Linux & Unix	Microsoft Windows 2000, XP, Vista (32/ 64 bit), Windows 7 (32/ 64 bit), Server 2003/ 2008, Apple Mac OS X, Linux / Unix
Dimensions (WxDxH)Differs	180 x 235 x 177 mm	439 x 499 x 44 mm
FanDiffers	90 mm	40 mm
Link/Act LED	Yes	Yes
Minimum system requirementsKnown for one	Unknown — not stated by the source	Internet Explorer 7 / 8, Firefox 3, Safari 3 / 4, Google Chrome
Networking features	Gigabit Ethernet	Gigabit Ethernet
Power requirementsDiffers	100 - 240 V, 50/60 Hz	100-240 V, 50-60Hz
Processor ARK ID	49490	49490
Connectivity LEDsKnown for one	Unknown — not stated by the source	Yes

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.

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