Product comparison · 2 nas & storage servers

QNAP TVS-663 NAS Tower vs QNAP TVS-863 NAS Tower

Key differences

Number of storage drives supported
- TVS-663 NAS Tower:6
- TVS-863 NAS Tower:8
Noise level
- TVS-663 NAS Tower:20.7 dB
- TVS-863 NAS Tower:21.3 dB
Power consumption (typical)
- TVS-663 NAS Tower:58.81 W
- TVS-863 NAS Tower:70.45 W
Power consumption (sleep)
- TVS-663 NAS Tower:41.56 W
- TVS-863 NAS Tower:46.21 W
Power consumption (off)
- TVS-663 NAS Tower:2.19 W
- TVS-863 NAS Tower:2.35 W
AC input voltage
- TVS-663 NAS Tower:110-240 V
- TVS-863 NAS Tower:100-240 V
Width
- TVS-663 NAS Tower:260.2 mm
- TVS-863 NAS Tower:298.2 mm
Depth
- TVS-663 NAS Tower:235.5 mm
- TVS-863 NAS Tower:235.4 mm

Differences highlightedShow differences only

Comparison of TVS-663, TVS-863
96 specifications	A QNAP TVS-663 NAS Tower Model TVS-663 View product	B QNAP TVS-863 NAS Tower Model TVS-863 View product
Storage1 differ
Number of storage drives supportedDiffers	6	8
Memoryidentical
Memory clock speedKnown for one	1600 MHz	Unknown — not stated by the source
Performance1 differ
Device classKnown for one	Small & Medium Business	Unknown — not stated by the source
Noise levelDiffers	20.7 dB	21.3 dB
Software1 differ
Server operating systems supportedDiffers	Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2	Windows Server 2003, Windows Server 2003 R2, Windows Server 2008, Windows Server 2008 R2, Windows Server 2012, Windows Server 2012 R2
Power4 differ
Redundant power supply (RPS) supportKnown for one	No	Unknown — not stated by the source
Power consumption (typical)Differs	58.81 W	70.45 W
Power consumption (sleep)Differs	41.56 W	46.21 W
Power consumption (off)Differs	2.19 W	2.35 W
AC input voltageDiffers	110-240 V	100-240 V
Weight & dimensions5 differ
WidthDiffers	260.2 mm	298.2 mm
DepthDiffers	235.5 mm	235.4 mm
HeightDiffers	185 mm	185.2 mm
WeightDiffers	6.18 kg	7.83 kg
Package weightDiffers	6.9 kg	8.9 kg
Packaging content1 differ
Number of screwsDiffers	44	56

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.