Product comparison · 2 nas & storage servers

QNAP TS-439Pro/2TB Tower vs QNAP TS-639/3TB Tower

Key differences

Total installed storage capacity
- TS-439Pro/2TB Tower:2 TB
- TS-639/3TB Tower:3 TB
Number of storage drives supported
- TS-439Pro/2TB Tower:4
- TS-639/3TB Tower:6
Number of fans
- TS-439Pro/2TB Tower:1 fan(s)
- TS-639/3TB Tower:2 fan(s)
Weight
- TS-439Pro/2TB Tower:3.65 kg
- TS-639/3TB Tower:5.2 kg
Dimensions (WxDxH)
- TS-439Pro/2TB Tower:180 x 235 x 177 mm
- TS-639/3TB Tower:257 x 235 x 175 mm
Fan
- TS-439Pro/2TB Tower:90mm
- TS-639/3TB Tower:2x90mm

Differences highlightedShow differences only

Comparison of TS-439Pro/2TB, TS-639/3TB
23 specifications	A QNAP TS-439Pro/2TB Tower Model TS-439Pro/2TB View product	B QNAP TS-639/3TB Tower Model TS-639/3TB View product
Storage2 differ
Total installed storage capacityDiffers	2 TB	3 TB
Number of storage drives supportedDiffers	4	6
Storage drive interfaceKnown for one	Serial ATA	Unknown — not stated by the source
Storage drive sizeKnown for one	3.5"	Unknown — not stated by the source
Design1 differ
Number of fansDiffers	1 fan(s)	2 fan(s)
Weight & dimensions1 differ
WeightDiffers	3.65 kg	5.2 kg
Other features2 differ
Dimensions (WxDxH)Differs	180 x 235 x 177 mm	257 x 235 x 175 mm
FanDiffers	90mm	2x90mm
Connectivity LEDsKnown for one	Yes	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.