Product comparison · 2 nas & storage servers

QNAP TS-420U 4x1TB vs QNAP TS-421U 4x2TB

64specifications compared
5differ
59identical
0known for one product only

Key differences

The QNAP TS-421U 4x2TB has 4 TB more total installed storage capacity than the QNAP TS-420U 4x1TB (8 TB vs 4 TB). The QNAP TS-421U 4x2TB has 1 TB more storage drive capacity than the QNAP TS-420U 4x1TB (2 TB vs 1 TB). The QNAP TS-421U 4x2TB has 0.4 GHz more processor frequency than the QNAP TS-420U 4x1TB (2 GHz vs 1.6 GHz).

Total installed storage capacity
- TS-420U 4x1TB:4 TB
- TS-421U 4x2TB:8 TB
Storage drive capacity
- TS-420U 4x1TB:1 TB
- TS-421U 4x2TB:2 TB
Processor frequency
- TS-420U 4x1TB:1.6 GHz
- TS-421U 4x2TB:2 GHz
Power consumption (typical)
- TS-420U 4x1TB:29 W
- TS-421U 4x2TB:33 W
Power consumption (sleep)
- TS-420U 4x1TB:15 W
- TS-421U 4x2TB:12 W

Side by side

Differences highlightedShow differences only

Comparison of TS-420U 4x1TB, TS-421U 4x2TB
64 specifications	A QNAP TS-420U 4x1TB View product	B QNAP TS-421U 4x2TB View product
Storage2 differ
Total installed storage capacityDiffers	4 TB	8 TB
Storage drive capacityDiffers	1 TB	2 TB
Processor1 differ
Processor frequencyDiffers	1.6 GHz	2 GHz
Power2 differ
Power consumption (typical)Differs	29 W	33 W
Power consumption (sleep)Differs	15 W	12 W

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.

More nas & storage servers comparisons

All nas & storage servers comparisons