Product comparison · 2 nas & storage servers

QNAP TS-439 Pro II vs QNAP TS-859 Pro

Key differences

Differences highlightedShow differences only

Comparison of TS-439 Pro II, TS-859 Pro
67 specifications	A QNAP TS-439 Pro II View product	B QNAP TS-859 Pro View product
Processor8 differ
Processor modelDiffers	D410	D510
Processor coresDiffers	1	2
Processor threadsDiffers	2	4
Processor cacheDiffers	0.512 MB	1 MB
Processing Die sizeDiffers	66 mm²	87 mm²
Processor codeDiffers	SLBMH	SLBLA
SteppingDiffers	A0	B0
Thermal Design Power (TDP)Differs	10 W	13 W
Weight & dimensions1 differ
WeightDiffers	3.65 kg	7.3 kg
Processor special features1 differ
Number of Processing Die TransistorsDiffers	123 M	176 M
Other features2 differ
Dimensions (WxDxH)Differs	180 x 235 x 177 mm	298.2 x 235.4 x 185.2 mm
Processor ARK IDDiffers	43517	43098

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