Product comparison · 2 nas & storage servers

QNAP TS-259 PRO+/4TB vs QNAP TS-559 PRO+/2.5TB

Key differences

Total installed storage capacity
- TS-259 PRO+/4TB:4 TB
- TS-559 PRO+/2.5TB:2.5 TB
Number of storage drives supported
- TS-259 PRO+/4TB:2
- TS-559 PRO+/2.5TB:5
RAID levels
- TS-259 PRO+/4TB:0, 1, JBOD
- TS-559 PRO+/2.5TB:0, 1, 5, 5+1, 6, JBOD
Number of users
- TS-259 PRO+/4TB:2048 user(s)
- TS-559 PRO+/2.5TB:4096 user(s)
Noise level
- TS-259 PRO+/4TB:34 dB
- TS-559 PRO+/2.5TB:35 dB
Power consumption (typical)
- TS-259 PRO+/4TB:25 W
- TS-559 PRO+/2.5TB:44 W
Power consumption (sleep)
- TS-259 PRO+/4TB:16 W
- TS-559 PRO+/2.5TB:22 W
Output power
- TS-259 PRO+/4TB:84 W
- TS-559 PRO+/2.5TB:250 W

Differences highlightedShow differences only

Comparison of TS-259 PRO+/4TB, TS-559 PRO+/2.5TB
86 specifications	A QNAP TS-259 PRO+/4TB View product	B QNAP TS-559 PRO+/2.5TB View product
Storage3 differ
Total installed storage capacityDiffers	4 TB	2.5 TB
Number of storage drives supportedDiffers	2	5
RAID levelsDiffers	0, 1, JBOD	0, 1, 5, 5+1, 6, JBOD
Designidentical
Display typeKnown for one	Unknown — not stated by the source	LCD
Performance3 differ
Number of usersDiffers	2048 user(s)	4096 user(s)
Noise levelDiffers	34 dB	35 dB
Security algorithmsDiffers	256-bit AES, HTTPS, SSH	256-bit AES, HTTPS, SSH, SSL/TLS
Softwareidentical
Operating system installedKnown for one	Linux	Unknown — not stated by the source
Power3 differ
Power consumption (typical)Differs	25 W	44 W
Power consumption (sleep)Differs	16 W	22 W
Output powerDiffers	84 W	250 W
Weight & dimensions1 differ
WeightDiffers	1.74 kg	5.1 kg
Other features2 differ
Compatible operating systemsKnown for one	Windows 2000/XP/Vista/7/Server 2003/2008 Mac OS X Linux Unix	Unknown — not stated by the source
Dimensions (WxDxH)Differs	102 x 216 x 150 mm	210.6 x 235.4 x 185 mm
FanDiffers	1x 70	1x 120
Connectivity LEDsKnown for one	Yes	Unknown — not stated by the source
I/O portsKnown for one	1x VGA	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.