Product comparison · 2 network switches

D-Link DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE) vs EMC DS-4900B Silver

12specifications compared
11differ
1identical
33known for one product only

Key differences

Basic switching RJ-45 Ethernet ports quantity
- DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE):20
- DS-4900B Silver:64
10G support
- DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE):Yes
- DS-4900B Silver:No
Maximum data transfer rate
- DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE):1 Gbit/s
- DS-4900B Silver:0.1 Gbit/s
Rack mounting
- DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE):No
- DS-4900B Silver:Yes
Power consumption (typical)
- DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE):935.1 W
- DS-4900B Silver:300 W
Dimensions (WxDxH)
- DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE):440 x 310 x 44 mm
- DS-4900B Silver:428.7 x 610 x 86 mm
Networking features
- DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE):Gigabit Ethernet
- DS-4900B Silver:Fast Ethernet
Operating temperature (T-T)
- DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE):0 - 50 °C
- DS-4900B Silver:32 - 104 °F

Side by side

Differences highlightedShow differences only

Comparison of DGS-3120-24PC, DS-4900B
45 specifications	A D-Link DGS-3120-24PC network switch Managed L2+ Power over Ethernet (PoE) Model DGS-3120-24PC View product	B EMC DS-4900B Silver Model DS-4900B View product
Management featuresidentical
Switch typeKnown for one	Managed	Unknown — not stated by the source
Switch layerKnown for one	L2+	Unknown — not stated by the source
Quality of Service (QoS) supportKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces1 differ
Basic switching RJ-45 Ethernet ports quantityDiffers	20	64
SFP module slots quantityKnown for one	4	Unknown — not stated by the source
SFP/SFP+ slots quantityKnown for one	4	Unknown — not stated by the source
Power connectorKnown for one	DC-in jack	Unknown — not stated by the source
Console portKnown for one	Unknown — not stated by the source	RS-232
Network1 differ
10G supportDiffers	Yes	No
Link aggregationKnown for one	Yes	Unknown — not stated by the source
Networking standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u
Data transmission1 differ
MAC address tableKnown for one	16000 entries	Unknown — not stated by the source
Switching capacityKnown for one	88 Gbit/s	Unknown — not stated by the source
Maximum data transfer rateDiffers	1 Gbit/s	0.1 Gbit/s
Jumbo frames supportKnown for one	Yes	Unknown — not stated by the source
Packet buffer memoryKnown for one	2 MB	Unknown — not stated by the source
Securityidentical
DHCP featuresKnown for one	DHCP client	Unknown — not stated by the source
Access Control List (ACL)Known for one	Yes	Unknown — not stated by the source
IGMP snoopingKnown for one	Yes	Unknown — not stated by the source
Multicast featuresidentical
Multicast supportKnown for one	Yes	Unknown — not stated by the source
Protocolsidentical
Management protocolsKnown for one	Telnet, RADIUS, HTTP	Unknown — not stated by the source
Design1 differ
Rack mountingDiffers	No	Yes
StackableKnown for one	Yes	Unknown — not stated by the source
SafetyKnown for one	CB, cUL, LVD	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Silver
Performanceidentical
Flash memoryKnown for one	32 MB	Unknown — not stated by the source
Noise levelKnown for one	50.8 dB	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	282541698 h	Unknown — not stated by the source
Power1 differ
Input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Power consumption (typical)Differs	935.1 W	300 W
Power over Ethernet (PoE)identical
Power over Ethernet (PoE)Known for one	Yes	Unknown — not stated by the source
Other features2 differ
Dimensions (WxDxH)Differs	440 x 310 x 44 mm	428.7 x 610 x 86 mm
Networking featuresDiffers	Gigabit Ethernet	Fast Ethernet
LatencyKnown for one	Unknown — not stated by the source	<2.4 μsec
Connectivity technologyKnown for one	Unknown — not stated by the source	Wired
BandwidthKnown for one	Unknown — not stated by the source	512 Gbit/s
Wi-FiKnown for one	Unknown — not stated by the source	No
Operational conditions2 differ
Operating temperature (T-T)Differs	0 - 50 °C	32 - 104 °F
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Differs	10 - 90%	20 - 85%
Storage relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	5.42 kg	13.7 kg
Certificates1 differ
CertificationDiffers	FCC A, CE A, VCCI A, IC, C-Tick	FCC
Optical fiberidentical
Transmission distance (max)Known for one	Unknown — not stated by the source	35 km

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.

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