QNAP TS-439 Pro II Turbo NAS vs QNAP TS-459 Pro Turbo NAS

Comparison of TS-439 Pro II Turbo NAS, TS-459 Pro Turbo NAS

19 specifications	A QNAP TS-439 Pro II Turbo NASView product	B QNAP TS-459 Pro Turbo NASView product
Storageidentical
Number of storage drives supported	4	4
Supported storage drive interfaces	Serial ATA	Serial ATA
Storage drive size	2.5"	2.5"
RAID levelsKnown for one	—Unknown — not stated by the source	JBOD
Ports & interfacesidentical
Ethernet LAN (RJ-45) ports	2	2
USB 2.0 ports quantity	5	5
eSATA ports quantity	2	2
Designidentical
Product colourKnown for one	Black	—Unknown — not stated by the source
LED indicators	eSATA, LAN, Power, Status, USB	eSATA, LAN, Power, Status, USB
Chassis typeKnown for one	—Unknown — not stated by the source	Tower
Weight & dimensionsidentical
Weight	3.65 kg	3.65 kg
Packaging contentidentical
External power adapter	No	No
Operational conditionsidentical
Operating temperature (T-T)	0 - 40 °C	0 - 40 °C
Relative humidity	0 - 95%	0 - 95%
Other features1 differ
Compatible operating systems	Windows 2000, XP, Vista (32-/ 64-bit), Windows 7 (32-/ 64-bit), Server 2003/ 2008 Apple Mac OS X Linux & Unix	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 230 x 177 mm	180 x 235 x 177 mm
Power requirementsKnown for one	100-240V AC, 50/60Hz	—Unknown — not stated by the source
Security featuresKnown for one	K-Lock	—Unknown — not stated by the source
RAID controller typeKnown for one	RAID 0/ 1/ 5/ 6/ 5+hot spare	—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.