Product comparison · 2 nas & storage servers

QNAP TS-220 4TB vs QNAP TS-421 8TB

Key differences

Differences highlightedShow differences only

Comparison of TS-220 4TB, TS-421 8TB
65 specifications	A QNAP TS-220 4TB View product	B QNAP TS-421 8TB View product
Storage4 differ
Total installed storage capacityDiffers	4 TB	8 TB
Number of storage drives installedDiffers	2	4
Number of storage drives supportedDiffers	2	4
Maximum supported storage capacityDiffers	8 TB	16 TB
RAID levelsKnown for one	0, 1, JBOD	Unknown — not stated by the source
Processor1 differ
Processor frequencyDiffers	1.6 GHz	2 GHz
Memory1 differ
Internal memoryDiffers	0.512 GB	1 GB
Networkidentical
Jumbo frames supportKnown for one	Unknown — not stated by the source	Yes
Ports & interfaces2 differ
Ethernet LAN (RJ-45) portsDiffers	1	2
USB 2.0 ports quantityDiffers	1	2
Design2 differ
Product colourDiffers	White	Black
LED indicatorsDiffers	HDD, LAN, Status, USB	eSATA, HDD, LAN, Status, USB
Display typeKnown for one	Unknown — not stated by the source	LCD
Performance1 differ
Number of usersDiffers	2048 user(s)	4096 user(s)
Security algorithmsKnown for one	HTTPS, SSH, SSL/TLS	Unknown — not stated by the source
Power2 differ
Power supply unit (PSU) capacityDiffers	60 W	120 W
Power consumption (sleep)Differs	7 W	13 W
Weight & dimensions4 differ
WidthDiffers	102 mm	180 mm
DepthDiffers	225 mm	235 mm
HeightDiffers	168.5 mm	177 mm
WeightDiffers	1.28 kg	3 kg

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.