Product comparison · 2 network switches

D-Link 20-Port Gigabit Stackable Smart Managed Switch with vs D-Link 28-Port Gigabit SFP Stackable Smart Managed Switch with

Key differences

SFP+ module slots quantity
- 20-Port Gigabit Stackable Smart Managed Switch with:2
- 28-Port Gigabit SFP Stackable Smart Managed Switch with:4
Switching capacity
- 20-Port Gigabit Stackable Smart Managed Switch with:112 Gbit/s
- 28-Port Gigabit SFP Stackable Smart Managed Switch with:128 Gbit/s
Forwarding rate
- 20-Port Gigabit Stackable Smart Managed Switch with:83.33 Mpps
- 28-Port Gigabit SFP Stackable Smart Managed Switch with:95.24 Mpps
Mean time between failures (MTBF)
- 20-Port Gigabit Stackable Smart Managed Switch with:630098 h
- 28-Port Gigabit SFP Stackable Smart Managed Switch with:446328 h
Power consumption (max)
- 20-Port Gigabit Stackable Smart Managed Switch with:25.7 W
- 28-Port Gigabit SFP Stackable Smart Managed Switch with:45.2 W
Heat dissipation
- 20-Port Gigabit Stackable Smart Managed Switch with:89 BTU/h
- 28-Port Gigabit SFP Stackable Smart Managed Switch with:154.13 BTU/h
Width
- 20-Port Gigabit Stackable Smart Managed Switch with:280 mm
- 28-Port Gigabit SFP Stackable Smart Managed Switch with:440 mm
Depth
- 20-Port Gigabit Stackable Smart Managed Switch with:180 mm
- 28-Port Gigabit SFP Stackable Smart Managed Switch with:210 mm

Differences highlightedShow differences only

Comparison of DGS-1530-20/B, DGS-1530-28S/B
71 specifications	A D-Link 20-Port Gigabit Stackable Smart Managed Switch with Model DGS-1530-20/B View product	B D-Link 28-Port Gigabit SFP Stackable Smart Managed Switch with Model DGS-1530-28S/B View product
Ports & interfaces2 differ
Basic switching RJ-45 Ethernet ports quantityKnown for one	8	Unknown — not stated by the source
Basic switching RJ-45 Ethernet ports typeDiffers	Gigabit Ethernet (10/100/1000)	No
SFP+ module slots quantityDiffers	2	4
SFP module slots quantityKnown for one	Unknown — not stated by the source	24
Networkidentical
Auto MDI/MDI-XKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,1000,100 Mbit/s	Unknown — not stated by the source
Data transmission2 differ
Switching capacityDiffers	112 Gbit/s	128 Gbit/s
Forwarding rateDiffers	83.33 Mpps	95.24 Mpps
Designidentical
Number of fansKnown for one	Unknown — not stated by the source	2 fan(s)
Performance1 differ
Mean time between failures (MTBF)Differs	630098 h	446328 h
Noise levelKnown for one	Unknown — not stated by the source	52.4 dB
Power1 differ
Power consumption (max)Differs	25.7 W	45.2 W
Operational conditions1 differ
Heat dissipationDiffers	89 BTU/h	154.13 BTU/h
Weight & dimensions3 differ
WidthDiffers	280 mm	440 mm
DepthDiffers	180 mm	210 mm
WeightDiffers	2 kg	3.1 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.