Product comparison · 2 nas & storage servers

QNAP TS-420U NAS/storage server Rack (1U) Marvell vs QNAP TS-421U NORAIL

Key differences

RAID levels
- TS-420U NAS/storage server Rack (1U) Marvell:0, 1, 5, 6, 10
- TS-421U NORAIL:0, 1, 6, 10
Processor frequency
- TS-420U NAS/storage server Rack (1U) Marvell:1.6 GHz
- TS-421U NORAIL:2 GHz

Differences highlightedShow differences only

Comparison of TS-420U, TS-421U NORAIL
43 specifications	A QNAP TS-420U NAS/storage server Rack (1U) Marvell Model TS-420U View product	B QNAP TS-421U NORAIL View product
Storage1 differ
RAID levelsDiffers	0, 1, 5, 6, 10	0, 1, 6, 10
Processor1 differ
Processor frequencyDiffers	1.6 GHz	2 GHz
Designidentical
Chassis typeKnown for one	Rack (1U)	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.